Answer:
3.mustn't
4.dont have to play tennis
5.mustn't
6.dont have to
7.dont have to
8.dont have to
9.dont have to
10. mustn't
11.mustn't
12.dont have to
13.mustn't
14.dont have to
15. dont have to
OTHER THINGS:
You mustn't break the law.
You mustn't be violent.
You dont have to ride a bike.
You dont have to like art.