Possessive 's

which one is correct?

• My sister's desk is in her bedroom

• The my sister's desk is in her bedroom

• My sister desk is in her bedroom

• My sister's desk in her bedroom

which one is correct?

• This is book's Peter

• This is Peter's book

• This are Peter's book

• This is Peter book's

It's their puppy (Anna and Rob)

• It's Anna's puppy

• It's Rob's puppy

• It's Anna and Rob's puppy

• It's Annas and Robs puppy

The children have got a room. It is upstairs

• The room of the children's is upstairs

• The children's room is upstairs

• The children' room is upstairs

• The childrens' room is upstairs

John has got a sister. She's 12 years old

• Sister's John 12

• The sister of John's is 12

• The John's sister is 12

• John's sister is 12

My parents have got a car. it's not expensive

• My parent' s car is not expensive

• My parents' car is not expensive

• My parents' cars is not expensive

• My car 's parents is not expensive

These are the boys ... pencils

This car is my car and that is ....

• Tom's

• Tom

• Toms

We need more pens. Where are your ...

• pens?

• pen's?

• pens'?

My .... favourite food is pizza. They like pizza with ham

• brother

• brothers

• brothers'