Відповідь:

Пояснення:

1. 2) must to

3) must to

4) and you have to

5) have to

6) don't have to

2. 2) can

3) don't have to

4) may

5) must

6) must

7) don't have

8) should

3. 2) can't

3) must

4) mustn't

5) can

6) must

7) don't have to

8) can

9) mustn't