Possessive Nouns
Show ownership with apostrophe -s: Joe’s phone, the students’ books.
What Is It?
A possessive noun shows that something belongs to someone or something. We usually add an apostrophe + s: Monica’s bag.
Why Do English Speakers Use It?
It is shorter and more natural than “the bag of Monica”, especially for people and animals.
When to Use It
- Singular owner: add ’s: my sister’s room
- Plural owner ending in -s: add ’: the teachers’ room
- Irregular plural: add ’s: the children’s toys
- Time expressions: today’s news, a week’s holiday
When NOT to Use It
Don’t use an apostrophe for ordinary plurals: “two apples”, not “two apple’s”. And “its” (possessive) has no apostrophe.
Sentence Structure
| Owner | Rule | Example |
|---|---|---|
| one boy | + ’s | the boy’s bike |
| two boys | + ’ | the boys’ bikes |
| men / children | + ’s | the men’s team |
Grammar Rules
- Singular nouns, even ending in -s, usually add ’s: James’s car (James’ is also accepted).
- For shared ownership, add ’s to the last name only: Joe and Monica’s project.
- For things, “of” is often more natural: the end of the film, the top of the page.
- It’s = it is. Its = belonging to it.
Real-Life Examples
- This is Joe’s laptop.
- The students’ results are online.
- I forgot my mother’s birthday!
- The dog wagged its tail.
Common Learner Mistakes
- The car of my father is red.My father’s car is red.
- The girls’s dressesThe girls’ dresses
- The company changed it’s name.The company changed its name.
Quick Memory Tip
Write the owner first, then add the apostrophe right after it: children + ’s, parents + ’.
Real Conversation
Joe: Whose umbrella is this?
Monica: I think it’s my brother’s. He left it here on Sunday.
Joe: I’ll put it by the door so he doesn’t forget it again.
Interactive Practice
Pick an answer to check your understanding.
All the ___ names are on the list.
Final Mini Quiz
One last check before you mark the lesson complete.
Which is correct?
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