A pronoun is a word that stands in for a noun, saving you from repeating the same name or thing over and over. Instead of saying “Marcus went to Marcus's locker because Marcus forgot Marcus's book,” you'd say “Marcus went to his locker because he forgot his book.” The pronouns he and his replace Marcus's name, making the sentence flow naturally.

Common pronouns include I, me, you, he, him, she, her, it, we, us, they, and them. These words often step in when you're talking about someone or something without naming them again. If you say “The dog buried its bone,” the word its refers back to the dog. If you say “They arrived early,” the word they represents people you mentioned earlier.

Pronouns also include question words like who, whom, and what, plus words like this, that, myself, and everyone. The key is that pronouns usually point to or replace a noun. Without pronouns, language would feel clunky and repetitive. They're small words that do essential work, keeping your writing and speech smooth and efficient.