1)Phil's book
2)John's bicycle
3)The girls' friends
4)My parents' house
5)Those children's toys
6)That man's keys
7)The cats' eyes
8)The dog's nose
9)Joe's sister
10)Those men's names
11)Marcus's foot
12)Charles's mobile
13)Mary's telephone number
14)Mr and Mrs Brown's car
15)The elephants' ears
16)Mr Jones's child
17)The children's balls
18)The Simpsons' dog
