The uses of Apostrophe are as follows : 1. It is used with the nouns to show possession For example
1. The girl's dress
2. A women's handkerchief
3. A boys' watch
2. When a noun ends with 's' or 'ss', an extra 's' is not added after the apostrophe For example
1. A class' teacher
2. Jesus' disciples
3. An extra's is not added when the plural form of the nouns ends with 's' or 'es' For example
1. Boys' school
2. Girls' bracelets
4. The letter 's' is added after the apostrophe when the plural forms of the nouns donot end with 's' For example
1. Men's job
2. Children's lady
5. Classical names ending in -s usually add only the apostrophe ['] For example
1. Pythagoras' Theorem
2. Moses' laws
6. In compound Nouns, the last word takes the 's; For example
1. My sister-in-law's son
2. My mother-in-law's brother
7. The apostrophe will be used in the following manner in case of joint possession of two or more person. For example
1. Gita and Sita's room.
2. Ram, Shyam and Ravi's father.
8. The apostrophe is used in contracted forms. For example
| I'am | didn't | won't |
| it's | they'd | they'll |
| can't | we'are | hasn't |
| we've | I'd | doesn't |
9. Apostrophe is also used with nouns of space, time or weight For example
1. A month's salary
2. a pound's weight
10. A few common phrases use the 's; For example
1. at one's finger's ends
2. at one's wit's end