Modals: Obligation & Necessity - Exercise

Complete the sentences with mustn't or don't have to / need to.

1. Mark was feeling ill yesterday. He mustn't have to had to leave the meeting early.

2. The rooms aren’t dirty, so I mustn't must don't have to clean them.

3. You mustn't had to don't have to leave any medicine where children can reach them.

4. I know you don't like visiting your Uncle Mike so you mustn't don't need to didn't have to come if you don't want.

5. The entrance is free of charge, so you mustn't had to don't have to buy a ticket.

6. She must had to didn't need to apologize to the teacher, because her behaviour was not acceptable.

7. You mustn't don't need to didn't have to stand on the plane. There are seats for everyone.

8. You mustn't must don't need to have a ticket with your name on or you can't travel.

9. There are injured people, we must mustn't don't have to call an ambulance

10. We arrived home very early last night. We mustn't needn't didn't have to wait for a taxi.

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