MODAL VERBS

KEY. TASK 1

3. Be
4. have been
5. be
6. go
7. be going
8. have taken/have stolen
9. have been
10. be following

KEY. TASK 2

3. It must have been very expensive
4. They must have gone away
5. I must have left it in the restaurant last night
6. The exam can't have been very difficult
7. She must have listened to our conversation
8. She can't have understood what I said
9. I must have forgotten o turn it off
10. The driver can't have seen the red light
11. DON'T DO

KEY. TASK 3

3. We should have reserved a table
4. DON'T DO
5. DON'T DO
6. you should have come with me
7. The driver in front shouldn't have stopped without warming
8. I should have looked where I was going