| Possessive adjective | Possessive pronoun |
|---|---|
| my | mine |
| your | yours |
| his | his |
| her | hers |
| our | ours |
| your | yours |
| their | theirs |
| Whose book is this? (singular) | Whose books are these? (plural) | ||
|---|---|---|---|
| Possessive adjective | Possessive pronoun | Possessive adjective | Possessive pronoun |
| It's my book. | It's mine. | They're my books. | They're mine. |
| It's your book. | It's yours. | They're your books. | They're yours. |
| It's his book. | It's his. | They're his books. | They're his. |
| It's her book. | It's hers. | They're her books. | They're hers. |
| It's our book. | It's ours. | They're our books. | They're ours. |
| It's your book. | It's yours. | They're your books. | They're yours. |
| It's their book. | It's theirs. | They're their books. | They're theirs. |