Tolong secepatnya ya nomor 1-18 pliss. soalnya buat besok.

1. have to
2. mustn't
3. don't have to
4. must
5. mustn't
6. must
7. mustn't
8. have to
9. have to
10. must
11. have to
12. don't have to
13. had to
14. have to
15. mustn't
16. have to
17. have to
18. must