S-eller of-ejefald

Sætningerne skal være med ejefald I stedet for has/have

1. Mary has an old bicycle
Mary’s bicycle is old
2. The bicycle has rusty wheels
The wheels of the bicycle are rusty.
3. Her brothers have new bicycles
Her brothers’ bicycles are new
4. A camel has a very good memory
A camel’s memory is very good.
5. The book has quite a funny ending
The ending of the book is quite funny
6. My parents’ house own modern.
Hvordan gør man det med den her sætning? :S