I.

1. They think that I shoud do voluntary work.

2. They make me to come home at 9 o'clock every night.

3. We must do well at school.

4. I don't have to agree with everything my parents say.

5. My parents always remind me to do my homework.

6. They never let me stay overnight at my friend's house.

7. It's my mother's wish that I will work as a teacher like her.

8. I am allowed to go out with my friends at weekend.

II.

1. You should spend more time talking with your children.

2. John mustn't use that computer.

3. People work here must leave by 6p.m.

4. Every staff mustn't smoke or eat in the office.

5. Customers ought to check their luggage before leaving the airport.

6. Students mustn't cheat in the exam.

7. Ms. Ly has to clean the floor every day.

8. You mustn't take photographs in the museum.

9. You ought to share the housework with your mother.

10. Jack doesn't have to call Ben today.