Possessive pronouns show who or what own, or possesses, something.
My, mine, your, yours, her, hers, his, its, our, ours, their, and theirs are possessive pronouns.
Use my, your, her, our, and their before nouns.
This is my cat. It was her dog. They fed their fish.
Use mine, yours, hers, ours, and theirs alone.
The cat is mine. The dog was hers. The fish are theirs.
His and its can be used both before nouns and alone.
He found his dog. The dog is his.
The dog hurt its paw. The paw is its.
Do not use an apostrophe with a possessive pronoun.
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