1. We must go to bed early.
2. Do you have to eat a lot of vegetables .
3. You must not climb, it’s not safe.
4. The students must pay attention to lessons
5. When she is ill she doesn’t have to go to school.
6. My brother has to go away for a few days.
7. Do they have to make a tent.
8. You must press the button.
9. I don’t have to call the ambulance.
10. You must not believe what he says.
