Form
| Noun | Rule | Example |
|---|
| Singular | noun + 's | Maria's book · my brother's house · the dog's tail |
| Regular plural (ends in -s) | noun + ' | the boys' room · my parents' house |
| Irregular plural | noun + 's | the children's toys · the women's department |
| Name ending in -s | 's (or ') | Chris's phone · James's bag |
Use
- Possession and relationship: Tom's car, my sister's friend.
- Time expressions: today's newspaper, a week's holiday, two weeks' holiday.
- Shared possession: Maria and Juan's house (one house).
- Question: Whose bag is this? — It's Ana's.
Things use "of"
the end of the movie · the door of the car · the capital of Mexico.
Watch out
- 's can also be is or has: Tom's coming (= is). Tom's got a car (= has).
- Don't confuse Whose (possession) with Who's (who is).
- The position of the apostrophe shows singular or plural: the boy's bike / the boys' bike.
En español
El genitivo sajón ('s) indica posesión: Maria's book = el libro de Maria. Plural regular: boys'. Plural irregular: children's. Para cosas se usa of.
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