1)
Adam's computer
Mary's sister
Ronald's friend
Julia's mother
Frank's books
Eric's room
Diane's doll
Paul's umbrella
Jack's shoes
Betty's clothes
2)
There is my mother's coat.
That is your brother's cap.
This is Mrs Green's cat.
That is our father's wallet.
This is her brother's bike.
These are the girls' books
Those are my friend' dogs
These are the boys' cards
Those are my parents' keys
These are my sisters' toys
3)
Paula's
David's
Robert's
Jenny's
