Choose the correct answer
1. Sally looks worried . She MUST HAVE / COULD HAD a problem with something.
2. Bob CAN’T BE / MUSTN`T HAVE BEEN at school because I haven’t seen him all day .
3. I COULD HAVE LENT / MUST HAVE LENT you the money. Why didn’t you ask me?
4. Mr Travis hasn’t come to work yet. He has never been late for work. He CAN`T HAVE MISSED / MUST HAVE MISSED the bus.
5. She knew everything about our plans. She MUST HAVE LISTENED / CAN HAVE LISTENED to our conversation.
6. A: Will you come to my birthday party tomorrow afternoon ?
B : I’m sorry but I CAN’T COME / SHOULDN`T COME because I have to look after my sister.
7. Timmy is a very good boy. He isn’t naughty, so he CAN’T HAVE BROKEN / MUST NOT HAVE BROKEN that window.
8. The street is wet this morning . I’m not sure but it SHOULD HAVE RAINED / MIGHT HAVE RAINED last night.
9. She COULD SING / CAN SING like an angel when she was a child.
B : You CAN’T HAVE TALKED / MUST HAVE TALKED to her because she wasn’t at school yesterday.
11. Mrs White bought a new fur coat ! - She COULD HAVE WON / MUST HAVE WON the lottery.
12. He came home alone yesterday. You SHOULDN’T HAVE LET / COULD NOT HAVE LET him do that.
13. He read the message but he CAN`T UNDERSTAND / COULDN’T UNDERSTAND it.
14. The singer has got a sore throat so she CAN’T SING / COULDN`T SING at the concert.
15. It MUST HAVE BEEN / MIGHT HAVE BEEN Jack I saw in the park yesterday, but I’m not sure about it.
16. We can’t wait any longer. Something MUST BE DONE / MAY BE DONE at once.
17. Everyone shouted in fear. They MUST HAVE BEEN / MUST BE very afraid.
B : He CAN’T BE WATCHING / MUSTN`T BE WATCHING TV because his room is completely silent and dark.
19. He MUST BE SLEEPING / CAN BE SLEEPING. He is not in the living room.
20. I can’t find my book . I MUST HAVE LEFT IT / MUST LEAVE IT on the bus.
21. She CAN’T BE / MUST BE stupid. She teaches maths at the university
22. She MUSTN’T GO / MUSTN`T HAVE GONE to school. It’s Saturday.
23. You were stupid to go skiing here. You COULD HAVE BROKEN / MUST HAVE BROKEN a leg.
24. He looked so tired when I saw him. He MUST HAVE WORKED / COULD HAVE WORKED so hard.
24. Tom CAN’T HAVE WRITTEN / SHOULDN`T HAVE WRITTEN this because it is in French and Tom doesn’t speak French.
25. They MUST HAVE LEFT / CAN HAVE LEFT in the morning. They are not here now.
26. I MUST BE / CAN BE tired; I `ve worked too much.
