Можно написать только нужные слова

1. Mustn't

2. Must

3. Doesn't have to

4. Don't have to

5. Mustn't

6. Have to

7. Don't have to

8. Doesn't have to

9. Mustn't

10. Must

11. Have to

12. Doesn't have to

13. Mustn't

14. Don't have to

15. Mustn't