Gap Filling Modal Verbs Exercise for ESL Learners

Answers

1. I should have called him but I forgot.
2. You needn’t have told him.
3. What time will she be here?
4. She left office at 5 so she should be here soon.
5. She may come soon. I am not sure.
6. I remember leaving the key on the table. It must be there.
7. There must be somebody in that house. I heard some sounds coming from there.
8. He didn’t invite me. He may have forgotten
9. It may have been an accident.
10. They will have left by now.
11. You should have told me that you weren’t coming.
12. We needn’t have waited for her.