Difficulty: Beginner | Prerequisites: Subject-Verb Agreement study notes (recommended first)
Source: ENGL 101.08, Michigan State University
Tags: pronoun-antecedent agreement, pronoun reference, indefinite pronouns, singular they, grammar rules, ENGL 101
Pronoun-antecedent agreement is the companion rule to subject-verb agreement. Where subject-verb agreement asks "does the verb match the subject?," this topic asks "does the pronoun match the noun it refers back to?" The same skills apply: find the antecedent, determine its number, and make sure the pronoun matches. This is especially tricky with indefinite pronouns like "everyone" and "each," which look plural but are grammatically singular.
A pronoun must agree in number with the noun it replaces (its antecedent). Singular antecedents need singular pronouns; plural antecedents need plural pronouns. Most errors come from pairing indefinite pronouns (everyone, somebody, each) with "their" when formal grammar expects a singular pronoun.
Antecedent
The noun or pronoun that a later pronoun refers back to. The word literally means "the thing that comes before."
In simple terms, if you say "Sarah lost her keys," "Sarah" is the antecedent of "her."
Pronoun-antecedent agreement
The grammatical rule that a pronoun must match its antecedent in number (singular or plural) and person (first, second, third).
Think of it as making sure the stand-in word (pronoun) lines up with the original word (antecedent) it replaces.
Indefinite pronoun
A pronoun that does not refer to a specific person or thing: everyone, anyone, somebody, nobody, each, either, neither, no one. These are grammatically singular in formal English.
Think of it as a pronoun that sounds collective but counts as one.
Number (in pronoun agreement)
Whether a pronoun is singular (he, she, it, his, her, its) or plural (they, their, them). The pronoun must match the number of its antecedent.
In simple terms: one person or thing gets "he/she/it"; more than one gets "they/them/their."
A singular antecedent requires a singular pronoun. A plural antecedent requires a plural pronoun.
Correct: "The student forgot his notebook."
Correct: "The students forgot their notebooks."
Pronouns like everyone, anyone, somebody, nobody, each, either, and neither are singular. They require singular pronouns (he, she, his, her, his or her).
Incorrect: "Everyone who went on the field trip was supposed to bring their permission form."
"Everyone" is singular; "their" is plural. The pronoun does not match.
Correct: "Everyone who went on the field trip was supposed to bring his or her permission form."
Using "his or her" repeatedly can feel clunky. Two cleaner solutions:
Make the antecedent plural. Recast the sentence so the subject is naturally plural.
Before: "Every camper must bring his or her lunchbox to the bus."
After: "Campers must bring their lunchboxes to the bus."
Drop the possessive pronoun entirely. Replace it with an article.
Before: "Every camper must bring his or her lunchbox to the bus."
After: "Every camper must bring a lunchbox to the bus."
In everyday speech, "their" with singular antecedents ("everyone has their own opinion") is common and widely accepted. In formal academic writing and on grammar quizzes, however, it is typically marked as an error. For this course, treat indefinite pronouns as singular and choose accordingly.
A pronoun must also agree in person with its antecedent. If the sentence begins in first person ("we"), do not shift to second person ("you") or third person ("he/she") mid-sentence.
Incorrect: "As individuals, we are raised to believe that his or her own culture is perfect."
"We" is first person; "his or her" is third person.
Correct: "As individuals, we are raised to believe that our own culture is perfect."
Students assume "everyone" and "everybody" are plural because they refer to many people. In formal grammar, they are singular. "Everyone has his or her own opinion" is the expected form on quizzes.
Students think changing "everyone" to "everybody" fixes an agreement error. It does not, since both words are singular indefinite pronouns. The fix is to make the antecedent genuinely plural ("people") or to restructure the sentence.
Students mix up person shifts with pronoun agreement errors. Both can appear in the same sentence, so read carefully for which rule is being tested.
Students believe "their" is always wrong with singular antecedents. In modern usage it is increasingly accepted, but for this course and quiz, the formal rule applies.
⚠️ Indefinite pronouns paired with "their" is the most frequently tested error. If you see "everyone," "each," or "every [noun]" followed by "their," that is almost certainly the error you are meant to spot.
⚠️ The quiz may offer "change EVERYONE to EVERYBODY" as a distractor. This changes nothing, since both are singular. The real fix is to change to a plural antecedent (e.g., "people") and adjust the verb.
⚠️ Questions 13 and 14 from the practice quiz test whether you can spot a singular antecedent ("a teacher," "everyone") mismatched with "their." Be ready for this pattern.
⚠️ Some questions combine pronoun agreement errors with person shifts in the same sentence. Read the full sentence before choosing.
True or False: "Everyone who went on the field trip was supposed to bring their permission form" is correct in formal grammar. (False. "Everyone" is singular; "their" is plural.)
Fill in the blank: "Every camper must bring ______ lunchbox to the bus." What is the simplest correct fix? ("a" – drop the possessive pronoun entirely.)
True or False: Changing "everyone" to "everybody" fixes a pronoun agreement error. (False. Both are singular indefinite pronouns.)
Fill in the blank: "One of the cultural traditions is the relationship between a teacher and ______ students." (his or her)
True or False: "People have their own set of beliefs" is correct. (True. "People" is plural, so "their" matches.)
Q: "Everyone wants to go home so they can see friends and relatives." What is the agreement error, and how would you fix it?
A: "Everyone" is singular; "they" is plural. Fix: "Everyone wants to go home so he or she can see friends and relatives," or recast as "All the guests want to go home so they can see friends and relatives."
Q: "One of the cultural traditions of the Chinese is the relationship between a teacher and their students." Which answer corrects the error: (a) no error, (b) change THEIR to HIS or HER, (c) change THEIR to OUR?
A: (b) Change THEIR to HIS or HER. The antecedent is "a teacher" (singular), so the pronoun should be singular.
Q: "Everyone has their own set of beliefs, customs, and traditions." Which answer corrects the error: (a) no error, (b) change EVERYONE to EVERYBODY, (c) change EVERYONE to PEOPLE and HAS to HAVE?
A: (c) Change EVERYONE to PEOPLE and HAS to HAVE. This makes the antecedent plural, so "their" now agrees. Option (b) changes nothing, since "everybody" is also singular.
Q: "Every camper must bring their lunchbox to the bus." Give two different corrections.
A: (1) Make the antecedent plural: "Campers must bring their lunchboxes to the bus." (2) Drop the pronoun: "Every camper must bring a lunchbox to the bus."
Pronoun-antecedent agreement builds directly on subject-verb agreement. Both require identifying the true subject or antecedent and matching for number. If you are comfortable spotting subjects for verb agreement, pronoun agreement follows the same logic.
This topic also overlaps with avoiding unnecessary shifts in person and vague pronoun reference, covered in the third set of study notes. Exam questions often combine pronoun agreement errors with person shifts in a single sentence.
Pronoun-antecedent agreement, pronoun reference, indefinite pronouns, everyone their, singular they, his or her, pronoun number, grammar quiz 2, ENGL 101, English composition, agreement errors, pronoun matching, antecedent identification, recast sentence, collective nouns pronouns