Apostrophes are used for showing possession and short form. They are not used to show plurals nor are they used with possessive pronouns.
Showing possession:
- Greta’s book.
 (Greta has a book.)
- The dog’s bowl.
 (The dog has a bowl.)
Showing the possessive form of singular and plural nouns that end with –s:
- The actress’ best film.
 (The actress has a best film.)
- His mathematics’ book.
 (He has a book about mathematics.)
- The cars’ big wheels.
 (Many cars have big wheels.)
- The heroes’ problems.
 (Many heroes have problems.)
Showing short form: it’s, can’t, haven’t, etc.
- It’s my car.
 (It is my car.)
- I haven’t been to Indonesia yet.
 (I have not been to Indonesia yet.)
Not used with plurals:
- Cat’s, Dog’s, Orange’s, ABC’s.
 Cats, Dogs, Oranges, ABCs.
Not used with the possessive pronouns: yours, his, hers, its, ours, theirs.
- Shall we take your’s or their’s?
 Shall we take yours or theirs?
- Our hotel room is next to their’s hotel room.
 Our hotel room is next to theirs.
Not used with the possessive adjective its:
- The dog licked it’s paw.
 The dog licked its paw.
Now try the English Punctuation Quiz.





