Pronouns replace nouns so you don't have to repeat the same word over and over. Instead of writing "Maria said Maria would bring Maria's notes to Maria's study group," you write "Maria said she would bring her notes to her study group." Much better.
Using pronouns correctly means knowing which type to pick, making sure it matches the noun it refers to (the antecedent), and putting it in the right case for its job in the sentence. This section covers all the pronoun categories and the agreement rules that trip people up most often.
Types of Pronouns
Personal and Possessive Pronouns
Personal pronouns replace specific nouns and change form based on person, number, gender, and case.
- First person: I, me, we, us
- Second person: you
- Third person: he, him, she, her, it, they, them
Possessive pronouns show ownership and never use an apostrophe. They come in two forms:
- Before a noun (functioning like adjectives): my, your, his, her, its, our, their
- My book is on the table.
- Standing alone (functioning as nouns): mine, yours, his, hers, ours, theirs
- That book is mine.
A quick note on its vs. it's: its (no apostrophe) is the possessive pronoun. It's is a contraction of it is. Mixing these up is one of the most common errors in English writing.
Which form of a personal pronoun you use depends on whether it's in the subject or object position:
- Subject position: I gave her the book.
- Object position: She gave the book to me.
Reflexive and Demonstrative Pronouns
Reflexive pronouns refer back to the subject of the sentence. You use them when the subject and the object are the same person or thing.
- Formed by adding -self (singular) or -selves (plural) to certain personal or possessive pronouns
- The full set: myself, yourself, himself, herself, itself, ourselves, yourselves, themselves
- Example: He hurt himself. (He = himself, same person)
Watch out for a common mistake: don't use reflexive pronouns as a fancy substitute for me or I. Saying "Please contact myself with questions" is incorrect. It should be "Please contact me with questions."
Demonstrative pronouns point to specific things. There are only four: this, that, these, those.
- This and these refer to things near in space or time.
- That and those refer to things farther away in space or time.
They can stand alone as pronouns (That is interesting) or appear before a noun and function as adjectives (That book is interesting).
Relative, Interrogative, and Indefinite Pronouns
Relative pronouns introduce dependent clauses and connect them back to a noun in the main clause.
- who / whom / whose refer to people
- which refers to things or animals
- that can refer to people, animals, or things
Examples:
- The woman who called earlier left a message.
- The book which I borrowed is overdue.
- The car that I bought is red.
Interrogative pronouns are used to ask questions: who, whom, whose, which, what.
- Who is coming to the party?
- Whose jacket is this?
Notice that who, whom, and whose appear on both the relative and interrogative lists. The difference is just how they're used: introducing a clause (relative) vs. asking a question (interrogative).
Indefinite pronouns refer to nonspecific people or things: anyone, everyone, someone, nobody, all, both, few, many, some, and others.
The tricky part is verb agreement. Some indefinite pronouns are always singular, some are always plural, and some go either way depending on context:
- Always singular: everyone, everybody, someone, somebody, anyone, anybody, nobody, each, either, neither
- Everyone is here.
- Always plural: both, few, many, several
- Many are missing.
- Singular or plural depending on context: all, some, none, most
- Some of the cake is gone. (cake = singular)
- Some of the students are late. (students = plural)
Pronoun Usage and Agreement
Antecedent Identification and Agreement
An antecedent is the noun that a pronoun replaces or refers to. It usually appears before the pronoun in the sentence. Clear antecedent identification is essential because vague references create confusion.
Consider: "John told Bill that he was wrong." Who was wrong, John or Bill? The pronoun he has two possible antecedents, making the sentence ambiguous. A fix: "John told Bill, 'You are wrong.'"
Pronoun-antecedent agreement means your pronoun must match its antecedent in number, gender, and person:
- Singular antecedent → singular pronoun: The dog wagged its tail.
- Plural antecedent → plural pronoun: The dogs wagged their tails.
- Gender-specific antecedent → matching pronoun: Sarah lost her keys.
Indefinite pronouns are where agreement gets tricky. Singular indefinite pronouns like each, everyone, and anybody technically require singular pronouns. In formal writing, "Everyone should bring his or her book" follows strict agreement rules. In everyday English, you'll often see "Everyone should bring their book" using singular they, which is increasingly accepted.
Pronoun Case and Proper Usage
Case refers to the form a pronoun takes based on its function in the sentence. There are three cases:
Nominative (subject) case — used when the pronoun is the subject or a predicate nominative:
- Pronouns: I, you, he, she, it, we, they
- As a subject: She is going to the store.
- After a linking verb: It is I. (Very formal; most people say "It's me" in casual speech.)
Objective case — used when the pronoun is a direct object, indirect object, or object of a preposition:
- Pronouns: me, you, him, her, it, us, them
- Direct object: She saw me.
- Indirect object: Give her the book.
- Object of a preposition: The gift is for them.
Possessive case — used to show ownership:
- Before a noun: my, your, his, her, its, our, their
- Standing alone: mine, yours, his, hers, ours, theirs
Common errors to watch for:
- Subject pronouns after prepositions: "Between you and I" is incorrect. Prepositions take the objective case, so it should be "between you and me." A helpful trick: drop the other person and see what sounds right. You'd never say "between I," so me is correct.
- Who vs. whom: Who is the subject form, whom is the object form. Try substituting he/him: if him fits, use whom. "Whom did you call?" → "You called him."
- Pronoun case in compound subjects/objects: "Her and me went to the store" is incorrect. Test each pronoun alone: "Her went" doesn't work, and "me went" doesn't work. Correct: "She and I went to the store."