1. must

2. would

3. can

4. have to

5. didn't need to

6. may

7. wasn`t able to

8. should

9. mustn`t

10. can

11. will

12. shall

Ответ:

1. Must

2. Would

3. Shall

4. Have to

5. Didn't need

6. May

7. Wasn't able

8. Would

9. Shouldn't

10. Can

11. Ought

12. Shall