1. Can you hear that noise? It must BE RAINING.
2. Look at this mess! She must HAVE BEEN PAINTING the walls.
3. Jess left work half an hour ago. She might COME later than expected.
4. Are you joking! Bob can't HAVE GONE to Paris last week. I thought e had to sort out the problems at work first.
5. My mum cleaned my room yesterday. She must HAVE SWEPT my project.
6. The children must HAVE EATEN all the biscuits! There are none left.
7. I don't know what Kate is doing. She may BE HAVING dinner.
8. Jane isn't here yet, but she might COME any moment.
9. Nick can't BE PLAYING football. I've just seen him in the room.
