1. I haven`t decided yet, but I might/have to go to gym.
2. You mustn`t/don`t have to eat in here.
3. We don`t have to/have to study.We have a test tomorrow.
4. You mustn`t / might too much Tv.
5. We don`t need to/have to eat fruit and vegatables for a healthy diet.
1. I might go to gym
2. You mustn't eat in here
3. We have to study
4. You mustn't watch too much TV
5. We have to eat fruit and vegetables for a healthy diet.