HSPT Language Skills Quiz: Identify Usage Errors
20 questions · exam conditions
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Identify Usage ErrorsQuestion 1 of 20

Which sentence contains an error in subject-verb agreement?

The committee of teachers and parents have decided to postpone the fundraiser until next month.
Each of the students in the advanced mathematics class has completed their final project successfully.
Neither the principal nor the assistant principals were available to meet with the concerned parents.
The box of old photographs and letters was discovered in the basement during renovation.
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HSPT Language Skills Quiz

HSPT Language Skills Quiz: Identify Usage Errors

Practice Identify Usage Errors in HSPT Language Skills with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Identify Usage Errors, giving you a quick way to practice the rules, question types, and explanations that matter most for HSPT Language Skills.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

Which sentence contains an error in subject-verb agreement?

  1. The committee of teachers and parents have decided to postpone the fundraiser until next month. (correct answer)
  2. Each of the students in the advanced mathematics class has completed their final project successfully.
  3. Neither the principal nor the assistant principals were available to meet with the concerned parents.
  4. The box of old photographs and letters was discovered in the basement during renovation.

Explanation: Subject-verb agreement questions test whether you can identify when the subject and verb don't match in number (singular vs. plural). The key is finding the true subject of each sentence, which isn't always the noun closest to the verb. Let's examine each sentence by identifying the main subject and checking if the verb agrees. In choice A, "The committee of teachers and parents have decided..." the subject is "committee" (singular), but the verb is "have" (plural). This creates a disagreement. The prepositional phrase "of teachers and parents" describes the committee but doesn't change that the subject is singular. The correct verb should be "has." Choice B is correct despite seeming tricky. "Each of the students...has completed their final project" uses the singular verb "has" to agree with "each" (the true subject). While "their" creates a pronoun-antecedent issue, the subject-verb agreement is actually correct here. Choice C follows the "neither...nor" rule correctly. When neither/nor connects subjects, the verb agrees with the subject closest to it. "Assistant principals" is plural, so "were" is correct. Choice D correctly uses the singular verb "was" because "box" is the subject, not the contents described in the prepositional phrase "of old photographs and letters." When tackling subject-verb agreement, always identify the core subject by crossing out prepositional phrases and other descriptive elements. Don't let words between the subject and verb fool you—the main subject determines whether you need a singular or plural verb.

Question 2

Which sentence demonstrates correct pronoun usage?

  1. Between you and I, the new policy seems unnecessarily complicated and difficult to implement.
  2. The teacher gave both Maria and myself extra time to complete the challenging assignment.
  3. Everyone in the drama club must bring their own costume for the upcoming performance.
  4. The scholarship was awarded to the student whom the committee believed showed the most promise. (correct answer)

Explanation: Pronoun questions test your ability to choose the correct case, maintain agreement, and use relative pronouns properly. When you encounter these questions, consider the pronoun's function in the sentence and what it refers to. Let's examine option D, which uses "whom" correctly. "Whom" is the objective case of "who" and should be used when the pronoun functions as an object. In this sentence, "whom the committee believed showed the most promise" contains a complex structure where "whom" serves as the object of "believed" in the clause. Though it might sound formal, this usage follows standard grammar rules. Option A incorrectly uses "I" instead of "me." After prepositions like "between," you need objective pronouns. The correct phrase is "between you and me." A quick test: remove "you and" - you wouldn't say "between I." Option B misuses "myself," which is a reflexive pronoun that should only be used when the subject performs an action on themselves or for emphasis. Since the teacher (not the speaker) performed the action, it should be "Maria and me." Option C creates a pronoun-antecedent disagreement. "Everyone" is singular, but "their" is plural. While this construction is increasingly common in speech, standard written English requires "his or her" or rephrasing to avoid the issue entirely. For pronoun questions, remember the "remove and test" strategy: take out other words to isolate the pronoun and see if it sounds correct alone. This technique works especially well for subject/object case decisions like "I" versus "me."

Question 3

Identify the sentence with a pronoun-antecedent agreement error.

  1. The orchestra practiced diligently because they wanted to perform flawlessly at the regional competition.
  2. Each member of the debate team prepared his or her arguments thoroughly before the tournament.
  3. Someone left their backpack in the library, and the librarian is holding it at the front desk. (correct answer)
  4. The jury deliberated for hours before they reached a unanimous verdict in the complex case.

Explanation: Pronoun-antecedent agreement requires that pronouns match their antecedents in number, person, and gender. When you encounter these questions, identify each pronoun and trace it back to the noun it replaces to check for consistency. The error appears in choice C: "Someone left their backpack in the library." The pronoun "their" is plural, but its antecedent "someone" is singular. While this construction has become common in casual speech to avoid gender-specific pronouns, it's grammatically incorrect in formal writing. The correct versions would be "his or her backpack" or rewording to avoid the issue entirely. Choice A is correct because "orchestra," though referring to multiple musicians, functions as a collective noun that can take plural pronouns when emphasizing the individual members' actions. Choice B properly handles singular agreement with "each member" by using "his or her," which correctly matches the singular antecedent while being gender-inclusive. Choice D correctly uses "they" with "jury" as a collective noun, similar to choice A, where the focus is on the individual jurors' collective action. The key trap here is that indefinite pronouns like "someone," "everyone," "anybody," and "each" are grammatically singular, even though they may seem to refer to multiple people conceptually. Remember that formal grammar rules still require singular pronoun agreement with these words, despite evolving casual usage. When you see indefinite pronouns, always check that any referring pronouns are singular.

Question 4

Identify the sentence with correct subject-verb agreement involving indefinite pronouns.

  1. Everybody in the senior class are excited about graduation and the upcoming summer vacation.
  2. Several of the paintings in the gallery has been sold to private collectors this month.
  3. None of the homework assignments were completed on time due to the technical difficulties. (correct answer)
  4. Each of the applicants have submitted their resume and completed the required interview process.

Explanation: Subject-verb agreement with indefinite pronouns requires you to know whether each pronoun is singular, plural, or variable based on context. Some indefinite pronouns are always singular (like "everybody" and "each"), others are always plural (like "several"), and some depend on the object of the preposition that follows them (like "none"). Choice C is correct because "none" takes its number from the noun it refers to. In "None of the homework assignments were completed," "none" refers to "assignments" (plural), so the plural verb "were" is appropriate. When "none" refers to a plural noun, it can take either a singular or plural verb, but plural is more common in modern usage. Choice A incorrectly uses "are" with "everybody." Despite referring to many people, "everybody" is grammatically singular and requires "is." Choice B makes the opposite error: "several" is always plural, so it needs "have been sold," not "has been sold." Choice D uses "have" with "each," but "each" is always singular regardless of what follows it, so it should be "has submitted." The key trap here is that these pronouns can sound like they should be plural because they often refer to multiple people or things. However, grammatical number doesn't always match logical meaning. Remember this pattern: "everybody/everyone/each" = always singular; "several/many/few" = always plural; "none/some/most" = depends on the noun that follows. When in doubt, identify what the pronoun refers to and check whether that pronoun has a fixed rule.

Question 5

Which sentence contains an error in reflexive pronoun usage?

  1. The students organized the fundraiser themselves without any assistance from the faculty or administration.
  2. Please direct all questions about the assignment to either the teaching assistant or myself. (correct answer)
  3. I reminded myself to submit the application before the deadline to avoid any complications.
  4. The committee members introduced themselves to the new volunteers at the orientation meeting.

Explanation: Reflexive pronouns (myself, yourself, himself, herself, itself, ourselves, yourselves, themselves) have two specific uses: they either refer back to the subject of the sentence or add emphasis. The key rule is that a reflexive pronoun must have a clear antecedent—the noun or pronoun it refers back to—within the same sentence. Looking at option B, "Please direct all questions about the assignment to either the teaching assistant or myself," the reflexive pronoun "myself" has no antecedent in this sentence. The subject is an implied "you," not "I," so "myself" cannot refer back to anything. The correct form would be "to either the teaching assistant or me," using the objective pronoun. Option A correctly uses "themselves" to refer back to "students"—the students organized it by themselves. Option C properly uses "myself" to refer back to the subject "I"—I reminded myself. Option D correctly uses "themselves" to refer back to "committee members"—they introduced themselves. The error in B represents a common mistake where people think reflexive pronouns sound more formal or polite, especially after prepositions like "to" or "for." However, formality doesn't override grammar rules. Remember this strategy: whenever you see a reflexive pronoun, immediately identify what it's supposed to refer back to. If you can't find a matching subject or if removing the reflexive pronoun would require changing "I" to "me" or "we" to "us," then a regular pronoun is likely correct instead.

Question 6

Identify the sentence with incorrect relative pronoun usage.

  1. The scientist who discovered the new species was honored at the international research conference.
  2. The book that I borrowed from the library is due back next Tuesday morning.
  3. The student whom the teacher selected for the competition has been preparing diligently for months.
  4. The researcher who the committee chose to lead the project has extensive experience in the field. (correct answer)

Explanation: Relative pronouns connect clauses and must match their grammatical function within the sentence. The key is determining whether the pronoun serves as a subject (who/that) or object (whom/that) in its clause. Choice D contains the error: "The researcher who the committee chose to lead the project has extensive experience in the field." Here, "who" incorrectly functions as the object of the verb "chose." Since the committee is doing the choosing and the researcher is being chosen, you need the object form "whom." The sentence should read "The researcher whom the committee chose..." Choice A correctly uses "who" as the subject of "discovered" - the scientist performed the action of discovering. Choice B properly uses "that" to refer to the book, which works for both subject and object positions with things. Choice C correctly uses "whom" as the object of "selected" - the teacher did the selecting, and the student was selected. The test is simple: if you can substitute "he/she," use "who." If you can substitute "him/her," use "whom." In choice D, you would say "the committee chose him," not "the committee chose he," confirming that "whom" is correct. Remember this pattern: who = subject (performs action), whom = object (receives action). When you see relative pronoun questions, identify whether the pronoun is doing something or having something done to it. This distinction appears frequently on standardized tests and trips up many students.

Question 7

Which sentence demonstrates incorrect pronoun usage in a comparison?

  1. Sarah is more talented at piano than I am, but I practice more consistently than she does.
  2. The new employee works harder than anyone else in the department, including myself and my colleagues. (correct answer)
  3. My sister is three years older than me, but we share many similar interests and hobbies.
  4. Between the two candidates, Jennifer is more qualified than him for this particular position.

Explanation: Pronoun usage in comparisons requires careful attention to reflexive pronouns like "myself," which can only be used when they refer back to the subject of the sentence performing the action. Option B contains the error: "including myself and my colleagues." Here, "myself" doesn't refer back to the sentence's subject "the new employee." Instead, the speaker is including themselves in a list of people being compared to the new employee. The correct pronoun should be "me" - "including me and my colleagues." Reflexive pronouns like myself, yourself, himself, herself can only be used when the subject is performing an action on themselves or when emphasizing the subject. Option A correctly uses "I am" and "she does" because these complete the implied comparisons: "Sarah is more talented than I am [talented]" and "I practice more than she does [practice]." Option C uses "me" appropriately after "than" because it's the object of the comparison. While some prefer "than I" in formal writing, "than me" is widely accepted, especially in casual speech. Option D correctly uses "him" as the object of comparison. "Jennifer is more qualified than him" treats "him" as the object being compared to Jennifer. Remember this key distinction: use reflexive pronouns (myself, yourself, etc.) only when referring back to the sentence's subject. When you're simply part of a comparison or list, stick with regular object pronouns like "me" or "us."

Question 8

Which sentence contains incorrect verb agreement with a fractional or percentage subject?

  1. Two-thirds of the students in the advanced chemistry class has passed the comprehensive final examination. (correct answer)
  2. Fifty percent of the budget was allocated to purchasing new technology equipment for the computer laboratory.
  3. Half of the cookies were eaten before the bake sale officially opened to the public.
  4. One-quarter of the research paper is devoted to analyzing historical data and drawing relevant conclusions.

Explanation: When you encounter questions about subject-verb agreement with fractions and percentages, focus on what comes after the preposition "of" — this determines whether you need a singular or plural verb. The key rule is that fractions and percentages take their verb form from the noun in the prepositional phrase that follows. If that noun is singular, use a singular verb. If it's plural, use a plural verb. Choice A is incorrect because "Two-thirds of the students" requires a plural verb. Since "students" is plural, the verb should be "have passed," not "has passed." The fraction "two-thirds" doesn't automatically make the subject singular. Choice B is correct because "Fifty percent of the budget" uses the singular verb "was allocated." Since "budget" is singular, the singular verb form is appropriate. Choice C is correct because "Half of the cookies" uses the plural verb "were eaten." Since "cookies" is plural, the plural verb form matches properly. Choice D is correct because "One-quarter of the research paper" uses the singular verb "is devoted." Since "research paper" is singular, the singular verb form is appropriate. Remember this pattern: fraction/percentage + of + plural noun = plural verb, while fraction/percentage + of + singular noun = singular verb. Don't let the fraction itself fool you into automatically choosing singular verbs — always check the noun that follows "of" to determine your verb choice.

Question 9

Which sentence demonstrates correct pronoun case in a complex sentence structure?

  1. The teacher asked my lab partner and I to present our findings to the entire class next Friday.
  2. Between you and me, I think the new cafeteria menu offers much more variety than before. (correct answer)
  3. The scholarship committee interviewed both Michael and myself before making their final decision yesterday.
  4. Us honor students were invited to attend the special recognition ceremony at the district office.

Explanation: Pronoun case questions test whether you can identify the correct form of pronouns (I/me, we/us, who/whom) based on their grammatical function in the sentence. The key is determining whether the pronoun serves as a subject, object, or part of a prepositional phrase. Option B correctly uses "between you and me" because "between" is a preposition, and pronouns following prepositions must be in objective case. "Me" is the objective form, making this grammatically correct. Let's examine why the other options fail. Option A incorrectly uses "I" in "my lab partner and I." Since this phrase follows the verb "asked," it functions as a direct object and requires the objective case "me." The correct phrase should be "my lab partner and me." Option C misuses "myself," which is a reflexive pronoun that should only be used when the subject performs an action on themselves. Since the committee interviewed both people, the correct form is simply "Michael and me." Option D incorrectly uses "us" as a subject in "Us honor students." When the pronoun group serves as the sentence's subject, you need the nominative case "we." Here's a reliable test: temporarily remove the other person from compound pronouns and see what sounds right. "The teacher asked I" sounds wrong, confirming you need "me." Similarly, "Us were invited" is clearly incorrect, so "We honor students" is right. This technique helps you avoid the common trap of overthinking pronoun case in compound structures.

Question 10

Identify the sentence with incorrect subject-verb agreement involving a prepositional phrase.

  1. The box of antique photographs and documents were discovered in the attic during spring cleaning. (correct answer)
  2. One of the most challenging aspects of the project involves coordinating multiple team members effectively.
  3. The collection of rare books and manuscripts is housed in the university's special archives section.
  4. None of the students in the advanced placement courses were absent during the important examination period.

Explanation: When you encounter subject-verb agreement questions involving prepositional phrases, remember that prepositional phrases never contain the subject of a sentence. You must identify the true subject by mentally removing these phrases, which often contain words that can mislead you about whether the subject is singular or plural. Let's examine each sentence by identifying the true subject. In choice A, "The box of antique photographs and documents were discovered," the subject is "box" (singular), not the plural "photographs and documents" in the prepositional phrase "of antique photographs and documents." Since "box" is singular, the verb should be "was discovered," not "were discovered." This creates incorrect subject-verb agreement. Choice B correctly uses "involves" with the singular subject "One" - the prepositional phrase "of the most challenging aspects of the project" doesn't affect this agreement. Choice C properly pairs the singular subject "collection" with the singular verb "is housed," ignoring the prepositional phrase "of rare books and manuscripts." Choice D correctly uses "were absent" because the subject "None" takes a plural verb when referring to countable items like "students." The error in choice A is a common trap: students often match the verb to the nearest noun rather than the actual subject. The plural nouns "photographs and documents" sit right before the verb, making "were" seem correct, but they're actually objects of the preposition "of." Strategy tip: Always cross out prepositional phrases when checking subject-verb agreement. This forces you to focus on the true subject and avoid being misled by nearby plural or singular nouns.

Question 11

Identify the sentence with correct pronoun usage in an elliptical clause.

  1. My younger brother is much better at mathematics than me, but I excel in creative writing courses.
  2. The new student speaks French more fluently than I, having studied the language for several years. (correct answer)
  3. Sarah completed the assignment faster than him, despite starting work on it much later than he did.
  4. The coach thinks Jennifer is more talented than me at playing defense during basketball games.

Explanation: When you encounter pronoun questions involving elliptical clauses, you're dealing with sentences where words have been omitted for brevity. The key is determining whether the pronoun would function as a subject or object if the complete clause were written out. Choice B is correct because "than I" is proper usage. The complete sentence would read "The new student speaks French more fluently than I [speak French]." Since the pronoun serves as the subject of the implied verb "speak," the subjective case "I" is required. Choice A incorrectly uses "me" when it should be "I." The full comparison would be "better at mathematics than I [am]," making the pronoun the subject of the implied verb "am." Choice C contains an inconsistency error - it correctly uses "him" as the object ("faster than [she completed] him" doesn't work, so it should be "than he [completed it]") but then correctly uses "he" later in the sentence. The first instance should be "he." Choice D makes the same error as A, using "me" when "I" is needed: "more talented than I [am] at playing defense." To master elliptical clauses, mentally complete the comparison by adding the missing words. If the pronoun would be the subject of the implied verb, use subjective pronouns (I, he, she, we, they). If it would be the object, use objective pronouns (me, him, her, us, them). This completion test will guide you to the correct pronoun case every time.

Question 12

Which sentence demonstrates incorrect intensive pronoun usage?

  1. The principal herself announced the new policy changes during the morning assembly.
  2. I myself have experienced similar difficulties when trying to balance work and academic responsibilities.
  3. Please give the completed forms to the secretary or myself before the end of business today. (correct answer)
  4. The students themselves organized the entire charity drive without any adult supervision or assistance.

Explanation: When you encounter questions about intensive pronouns, remember that these pronouns (myself, yourself, himself, herself, itself, ourselves, yourselves, themselves) serve to emphasize or intensify the subject of a sentence. They should never replace regular pronouns as objects of verbs or prepositions. The correct answer is C because "myself" is incorrectly used as the object of the preposition "to." The sentence should read "Please give the completed forms to the secretary or me before the end of business today." When you remove "the secretary or" from the sentence, you can clearly hear the error: "Please give the completed forms to myself" sounds wrong because it should be "to me." Choice A correctly uses "herself" to emphasize that the principal personally made the announcement. Choice B properly employs "myself" to emphasize the speaker's personal experience with the difficulties mentioned. Choice D appropriately uses "themselves" to stress that the students, without outside help, organized the charity drive. The key trap here is that many people mistakenly think "myself" sounds more formal or polite than "me," especially in professional contexts. However, intensive pronouns can only be used when they refer back to the subject of the sentence for emphasis. In choice C, "myself" doesn't refer back to any subject—it's simply misused as an object pronoun. Remember this test: if you can remove the intensive pronoun and the sentence still makes complete sense, it's used correctly for emphasis. If removing it makes the sentence incomplete, you've likely found incorrect usage.

Question 13

Identify the sentence with correct subject-verb agreement involving correlative conjunctions.

  1. Not only the students but also the teacher were surprised by the unexpected announcement during class.
  2. Either the coach or the assistant coaches is responsible for organizing the team's practice schedule.
  3. Neither the principal nor the counselors was available to meet with parents during the conference period.
  4. Both the librarian and her volunteers have been working diligently to reorganize the entire collection system. (correct answer)

Explanation: When you encounter correlative conjunctions like "not only...but also," "either...or," "neither...nor," and "both...and," the key is understanding which part of the subject determines the verb form. For most correlative conjunctions, the verb agrees with the subject closest to it. However, "both...and" is different—it always creates a plural subject requiring a plural verb. Choice D is correct because "both...and" joins two subjects (the librarian and her volunteers), creating a compound subject that requires the plural verb "have been working." This follows the rule perfectly. Choice A violates the proximity rule. With "not only...but also," the verb should agree with "teacher" (the closer subject), requiring the singular "was surprised," not the plural "were surprised." Choice B makes the opposite error. With "either...or," the verb should agree with "assistant coaches" (plural), so it needs "are responsible," not the singular "is responsible." Choice C also breaks the proximity rule. "Neither...nor" requires the verb to match "counselors" (the closer, plural subject), so it should be "were available," not "was available." Remember this pattern: with correlative conjunctions except "both...and," make the verb agree with whichever subject comes second. With "both...and," always use a plural verb since you're combining subjects. This is a frequent HSPT trap—they'll often put an incorrect verb that agrees with the first subject instead of the second.

Question 14

Which sentence contains an error in demonstrative pronoun agreement?

  1. This type of mathematical problem requires careful attention to detail and systematic problem-solving approaches.
  2. These kind of assignments help students develop critical thinking skills and analytical reasoning abilities. (correct answer)
  3. That sort of behavior is not acceptable in our classroom environment and will result in consequences.
  4. Those sorts of extracurricular activities provide valuable opportunities for personal growth and skill development.

Explanation: Demonstrative pronouns (this, that, these, those) must agree in number with the nouns they modify. "This" and "that" are singular and pair with singular nouns, while "these" and "those" are plural and pair with plural nouns. Looking at each sentence, you need to check whether the demonstrative pronoun matches the number of its noun. In choice B, "these" is plural but modifies "kind," which is singular. This creates a mismatch—it should be either "this kind" or "these kinds." The error makes the sentence grammatically incorrect. Choice A correctly uses "this" (singular) with "type" (singular). Choice C properly pairs "that" (singular) with "sort" (singular). Choice D correctly matches "those" (plural) with "sorts" (plural). All three follow proper demonstrative pronoun agreement rules. The tricky part about choice B is that "kind" sounds like it could be plural because the sentence discusses multiple assignments. However, "kind" itself is a singular noun referring to a category or type. When you want to indicate multiple categories, you must make "kind" plural: "these kinds of assignments." Watch for this common error pattern on the HSPT: demonstrative pronouns mismatched with collective or category nouns like "kind," "type," "sort," "class," or "group." Always check that singular demonstratives (this/that) pair with singular nouns and plural demonstratives (these/those) pair with plural nouns, regardless of what the noun represents.

Question 15

Identify the sentence with a subject-verb agreement error involving compound subjects joined by 'or.'

  1. Either the students or the teacher are going to be responsible for cleaning the laboratory after the experiment. (correct answer)
  2. Neither rain nor snow prevents the mail carrier from completing his daily route through the neighborhood.
  3. Either my parents or my older sister is planning to attend the graduation ceremony next month.
  4. Neither the coach nor the players were satisfied with their performance during the regional tournament.

Explanation: When you encounter compound subjects joined by "or" or "nor," the verb must agree with the subject closest to it. This rule applies whether the subjects are joined by "either...or" or "neither...nor." Let's examine each sentence by identifying the compound subject and checking if the verb agrees with the closer subject: In choice A, "Either the students or the teacher" is followed by "are going." Since "teacher" (singular) is closer to the verb, it should be "is going," not "are going." The plural verb "are" incorrectly agrees with the distant subject "students" rather than the closer singular subject "teacher." Choice B correctly uses "prevents" (singular verb) because "snow" (singular) is the closer subject in "Neither rain nor snow prevents." Choice C properly uses "is planning" (singular verb) because "sister" (singular) is closer to the verb in "Either my parents or my older sister is planning." Choice D correctly uses "were satisfied" (plural verb) because "players" (plural) is the closer subject in "Neither the coach nor the players were satisfied." Choice A contains the agreement error because the verb agrees with the wrong subject. Study tip: With "or/nor" constructions, always identify which subject is physically closer to the verb—that's your agreement partner. Cover up the first subject temporarily if it helps you focus on the correct one. This proximity rule is the opposite of "and" constructions, where you'd use a plural verb for multiple subjects.

Question 16

Which sentence contains incorrect possessive pronoun usage?

  1. The research team submitted it's final report to the review committee before the established deadline. (correct answer)
  2. Each student must take responsibility for his or her own academic progress and study habits.
  3. The dog wagged its tail enthusiastically when its owner returned home from the long business trip.
  4. Whose bicycle is parked in front of the library entrance without a proper lock securing it?

Explanation: Possessive pronouns show ownership without needing apostrophes, while contractions combine two words and require apostrophes. This distinction creates one of the most common grammar traps on standardized tests. The error lies in option A, which incorrectly uses "it's" instead of "its." The sentence should read "its final report" because you need the possessive form showing that the report belongs to the research team. "It's" is a contraction meaning "it is" or "it has," which makes no sense in this context—you wouldn't say "the research team submitted it is final report." Looking at the other options: B correctly uses "his or her" as possessive pronouns showing ownership of academic progress. C properly uses "its" twice—both instances show possession (the tail belongs to the dog, the owner belongs to the dog) without apostrophes. D correctly uses "whose," the possessive form of "who," to ask about bicycle ownership. The key trap here is that most possessive nouns require apostrophes (like "the team's report"), but possessive pronouns never do. Think of other possessive pronouns like "yours," "hers," "ours"—none use apostrophes. The word "its" follows this same pattern. Memory tip: When you see "it's" in a sentence, mentally substitute "it is" or "it has." If the sentence doesn't make sense with that substitution, you need the possessive "its" instead. This quick test will help you catch this error every time.

Question 17

Which sentence contains a subject-verb agreement error with quantifying expressions?

  1. A number of students have volunteered to help with the school's annual fundraising event this weekend.
  2. The number of applications received this year have exceeded all previous records by a significant margin. (correct answer)
  3. A variety of extracurricular activities are offered to students throughout the academic year.
  4. The majority of the voters have expressed strong support for the proposed budget increases.

Explanation: Subject-verb agreement with quantifying expressions requires you to identify whether the expression functions as a singular or plural subject. The key distinction is between expressions that emphasize the group as a unit versus those that emphasize individual members. In sentence B, "The number of applications received this year have exceeded..." contains the error. "The number" is always singular because it refers to a specific quantity as a single unit. The verb should be "has exceeded," not "have exceeded." The prepositional phrase "of applications" doesn't change the fact that "number" is the singular subject. Choice A is correct because "A number of students" is treated as plural—it emphasizes the individual students rather than the quantity itself, so "have volunteered" is appropriate. Choice C uses "A variety of extracurricular activities," which takes the plural verb "are offered" because it emphasizes the multiple activities rather than the concept of variety. Choice D correctly uses "The majority of the voters have expressed" because "majority" in this context refers to the individual voters who make up that majority, requiring the plural verb "have." Remember this pattern: "THE number" is always singular (focuses on the specific quantity), while "A number" is plural (focuses on the individual items). Similarly, expressions like "the majority," "a variety," and "a group" can be singular or plural depending on whether the emphasis is on the unit itself or its individual members.

Question 18

Which sentence contains an error in verb agreement with compound subjects?

  1. Neither the coach nor the players was satisfied with their performance during the championship game. (correct answer)
  2. Both the librarian and her assistant have been working overtime to prepare for the book sale.
  3. Either the students or the teacher is responsible for cleaning the laboratory after each experiment.
  4. The captain and the crew were praised for their quick response during the emergency evacuation.

Explanation: When you encounter compound subjects connected by correlative conjunctions like "neither...nor" or "either...or," the verb must agree with the subject closest to it. This rule differs from compound subjects joined by "and," which always take plural verbs. Let's examine each sentence to find the error. In choice A, "Neither the coach nor the players was satisfied" incorrectly uses the singular verb "was" even though "players" (plural) is the closer subject to the verb. Since "players" is plural, the verb should be "were," making this sentence grammatically incorrect. Choice B correctly uses "have been" with "both the librarian and her assistant." When "both...and" connects subjects, they always take a plural verb. Choice C properly applies the proximity rule: "Either the students or the teacher is responsible" uses the singular "is" because "teacher" (singular) is closer to the verb. Choice D correctly uses "were" with "The captain and the crew" since subjects joined by "and" create a compound subject requiring a plural verb. The error in choice A represents a common mistake where writers focus on the first part of a "neither...nor" construction instead of the element closest to the verb. Remember this key strategy: with "either...or" and "neither...nor," always make the verb agree with the subject that comes immediately before it. This proximity rule will help you avoid similar errors on future questions about compound subject-verb agreement.

Question 19

Which sentence demonstrates correct pronoun usage after a linking verb?

  1. The winner of the science fair competition was her, much to everyone's surprise and delight.
  2. If I were him, I would have approached the problem from a completely different perspective.
  3. The person responsible for organizing this successful event was she, working tirelessly behind the scenes.
  4. It is I who should apologize for the misunderstanding that occurred during yesterday's meeting. (correct answer)

Explanation: When you encounter questions about pronoun usage after linking verbs, remember that linking verbs (like "is," "was," "were") connect the subject to a word that renames or describes it. This creates a special grammatical situation where pronouns must be in the subjective case, not the objective case. Answer D correctly uses "I" after the linking verb construction "It is." The phrase "It is I" follows proper formal grammar because "I" is in the subjective case, which is required after linking verbs. Even though this might sound formal or unusual in casual conversation, it's grammatically correct. Answer A incorrectly uses "her" (objective case) instead of "she" (subjective case) after the linking verb "was." The sentence should read "The winner was she." Answer B makes the same error with "him" (objective case) instead of "he" (subjective case) after "were." The correct form would be "If I were he." Answer C also uses the wrong case, employing "she" incorrectly in this context. While "she" is subjective case, the sentence structure makes this awkward and technically incorrect. It should be restructured entirely or use "her" as the object of a preposition. Remember this key rule: after linking verbs, always use subjective pronouns (I, he, she, we, they) rather than objective pronouns (me, him, her, us, them). Think "It is I" not "It is me" for formal writing, even though the latter sounds more natural in speech.

Question 20

Which sentence contains a subject-verb agreement error with inverted word order?

  1. There are several reasons why the proposal was rejected by the planning committee last week.
  2. Here is the documents you requested for the upcoming presentation to the board of directors. (correct answer)
  3. Where are the keys that you left on the kitchen counter yesterday evening?
  4. There was only one solution that satisfied all the requirements of the complex mathematical equation.

Explanation: Subject-verb agreement becomes tricky when sentences use inverted word order, where the subject comes after the verb instead of before it. This commonly happens with sentences beginning with "there," "here," or question words like "where." The key is identifying the true subject and ensuring the verb agrees with it in number. In sentence B, "Here is the documents you requested," the verb "is" (singular) doesn't match the subject "documents" (plural). The correct form should be "Here are the documents." The word "here" is never the subject—it's an adverb indicating location. Looking at the other choices: A is correct because "There are several reasons" properly matches the plural verb "are" with the plural subject "reasons." C correctly uses "Where are the keys" since "keys" is plural and requires the plural verb "are." D properly pairs the singular verb "was" with the singular subject "one solution." The trap in choice B is that you might focus on the word "here" and think it determines the verb form, but "here" and "there" are never subjects. They're expletives that introduce the sentence, while the real subject follows the verb. When you encounter inverted sentences, mentally rearrange them to normal word order: "The documents are here" makes the subject-verb disagreement obvious. Remember: In sentences beginning with "there," "here," or question words, look past the introductory word to find the true subject that comes after the verb, then check if they agree in number.