Ответ:

1.may

2.may

3.must

4.must

5.must

6.may

7.need

8.may

9.need

10.need

11.must

1. don't have to

2. mustn't

3.must

4. doesn't have to

5. don't have to

6. doesn't have to

7.must

1.shouldn't

2.should

3.should

4. shouldn't

5.should

Объяснение: