Explicație:
I.
1. Asking permission
2. Giving an order
3. Asking for advice
4. Inviting
5. Offering to help
6. Making a suggestion
7. Refusing permission
8. Making a request
9. Expressing a wish
II.
1. need
2. don't
3. has
4. can
5. allowed
6. obligated
7. shouldn't
8. going
III.
1. mustn't
2. would
3. might
4. will
5. mustn't
6. shall
7. would
8. wouldn't
