Răspuns:
1.has to
2.has to
3.doesn't have to
4.have to
5.must
6.have to
7.don't have to
8.have to
9.mustn't
10.had to
11.must
12.have to
1. has to
2. has to
3. doesnt have
4. have to
5. have to
6. have to
7. doesnt have to
8. have to
9. mustnt
10. had to
11. must
12. must
