# Pronoun-antecedent agreement

Canonical: https://duckyhelper.com/learn/grammar/pronoun-antecedent-agreement/
Updated: 2026-10-01

A pronoun must match the noun it replaces, called its antecedent. Singular nouns take singular pronouns (the museum and its doors); plural nouns take plural ones (the students and their books). Every pronoun should point to one clear noun: if it could mean two people, use the name instead. Also stay in the same person; do not switch from students to you in the same sentence.

## The rules

| Rule | Wrong | Right | Why |
| --- | --- | --- | --- |
| Match number | *The museum reopened their doors.* | *The museum reopened its doors.* | *Museum* is one thing, so *its*. |
| Two nouns joined by *and* are plural | *Maya and Jun forgot his lunches.* | *Maya and Jun forgot their lunches.* | Two people together take *their*. |
| With *or* / *nor*, match the nearer noun | *Either the teacher or the students will share her notes.* | *Either the teacher or the students will share their notes.* | *Students* is nearer, and it is plural. |
| One clear antecedent | *When Ana called Rosa, she was crying.* | *When Ana called Rosa, Ana was crying.* | *She* could be either person. Name the one you mean. |
| Do not switch person | *If students want to improve, you should practice.* | *If students want to improve, they should practice.* | The sentence starts in the third person (*students*), so stay there. |

> **Note: Singular they**
>
> *They* can refer to one person whose gender is unknown or who uses *they*: *Someone left their jacket.* APA Style endorses this use, and Purdue OWL notes that singular *they* has been used in English for centuries. Some teachers still prefer *he or she* in formal writing, so check your class's style.

## Worked examples

**Example 1: find the antecedent**

Problem: *The city council announced (its / their) new budget on Monday.*

1. Ask what the pronoun stands for: the *council*.
2. In US English, a group acting as one unit is singular.

Answer: *The city council announced its new budget on Monday.*

**Example 2: fix an unclear pronoun**

Problem: *Leo told his dad that his bike had a flat tire.*

1. Whose bike? *His* could be Leo's or his dad's.
2. Name the owner, or rewrite as a quote.

Answer: *Leo told his dad that Leo's bike had a flat tire.* or *Leo told his dad, "My bike has a flat tire."*

**Example 3: this and it with no noun**

Problem: *The lab took three hours, and the results were unclear. This made us start over.*

1. What does *This* refer to? The long lab? The unclear results? Both?
2. Add a noun after *this* so the reader knows.

Answer: *This confusion made us start over.*

## Common mistakes and fixes

| Mistake | Fix |
| --- | --- |
| Using *their* for a single thing like a school or a company | Use *its*: *The school changed its schedule.* |
| A pronoun that could mean two people | Repeat the name, or rewrite the sentence. |
| Starting with *students* or *a person* and switching to *you* | Pick one person and stay with it. |
| *This* or *it* standing alone at the start of a sentence | Add a noun: *this result*, *this mistake*. |

## Practice

**Five pronoun questions**

1. *After the storm, the museum reopened ___ doors.*
   A. there
   B. their
   C. it's
   D. its

   Answer: its. *Museum* is singular, so the possessive pronoun is *its*. *Their* is plural, *it's* means *it is*, and *there* is a place.

2. *The two teams shook hands after ___ match.*
   A. its
   B. their
   C. his
   D. it's

   Answer: their. The antecedent is *teams*, plural, so use *their*. *Its* and *his* are singular, and *it's* means *it is*.

3. Which sentence is clearest?
   A. When Ana called Rosa, she was crying.
   B. When Ana called Rosa, they were upset.
   C. When Ana called Rosa, her voice was shaking.
   D. When Ana called Rosa, Ana was crying.

   Answer: When Ana called Rosa, Ana was crying.. Naming Ana removes all doubt. In the other sentences, *she*, *her* and *they* could point to Ana, Rosa or both.

4. *If students want to improve, ___ should practice every day.*
   A. you
   B. he or she
   C. it
   D. they

   Answer: they. *Students* is plural and in the third person, so use *they*. *You* switches person, *he or she* is singular, and *it* does not refer to people.

5. *Either the teacher or the students will present ___ findings.*
   A. their
   B. her
   C. its
   D. his

   Answer: their. With *either...or*, the pronoun matches the nearer noun, *students*, which is plural. The other choices are singular.

## Frequently asked questions

### Is it wrong to write everyone and their?

In casual writing it is very common, and many style guides now accept singular *they*, including APA. Some teachers still want formal agreement, such as *Everyone brought his or her book*, or a rewrite to plural: *All the students brought their books.* The plural rewrite works in every style.

### Does a team take it or they?

In US English, use *it* and *its* when the team acts as one unit: *The team won its first game.* British English often uses *they*. If you mean the separate members, it is clearer to say so: *The players packed their bags.*

### What is a vague pronoun?

A pronoun with no clear noun to point to, such as *this*, *that*, *it* or *they* standing alone: *They say it will rain.* Who are *they*? Fix it by naming the noun: *The forecast says it will rain.*

## Sources

- [Purdue OWL, Using Pronouns Clearly](https://owl.purdue.edu/owl/general_writing/grammar/pronouns/index.html), accessed 2026-10-01
- [Purdue OWL, Gendered Pronouns and Singular They](https://owl.purdue.edu/owl/general_writing/grammar/pronouns/gendered_pronouns_and_singular_they.html), accessed 2026-10-01
- [APA Style, Singular They](https://apastyle.apa.org/style-grammar-guidelines/grammar/singular-they), accessed 2026-10-01

## Related

- [Subject-verb agreement](https://duckyhelper.com/learn/grammar/subject-verb-agreement/)
- [Who vs whom](https://duckyhelper.com/learn/grammar/who-vs-whom/)
- [SAT grammar: Form, Structure, and Sense](https://duckyhelper.com/learn/sat-reading-writing/form-structure-and-sense/)
- [Grammar study guides](https://duckyhelper.com/learn/grammar/)

## Try asking Ducky

- "Check my essay for pronouns that could point to two different people."
- "Is it its or their for this group noun? Explain with my sentence."
- "Give me five sentences with unclear pronouns to fix."

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