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must have, might have, can’t have, should have — Exercise 2

Fill in the gaps with must have, might have, can’t have, or should have/‌shouldn’t have.
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You look exhausted. You
asked for some help. You know, we are always here for you.
You look exhausted. You should have asked for some help. You know, we are always here for you.
  1. 1.
    Laura looks very beautiful and healthy. She
    been ill for so long.
  2. 2.
    I didn’t know Matthew had divorced. I
    asked him about his wife.
  3. 3.
    I can’t see Martin anywhere in the hall. I think he
    gone to the bathroom.
  4. 4.
    Your car looks completely new. It
    gone 20,000 miles already.
  5. 5.
    Gerald failed his final exam. He
    spent so much time playing computer games instead of preparing for it.
  6. 6.
    Emma walked ten miles yesterday. She
    been very tired after such a long walk.
  7. 7.
    Blake is not here yet though he should be. I think he
    forgotten about our meeting.
  8. 8.
    I don’t know why you are so irritated. Everything goes well. I think you
    misunderstood the task and you are not sure now what to do next.
  9. 9.
    They left five days ago. You
    met them in the park yesterday,
  10. 10.
    You didn’t take any food on your hiking trip. You
    been hungry.
  11. 11.
    You have made so many mistakes in this project because you are exhausted. You
    taken a day off and had a good rest.
  12. 12.
    We were out yesterday. You
    heard any noise coming from our apartment.
  13. 13.
    Claude has been studying arts for five years. I am not sure but he
    painted this picture himself.
  14. 14.
    Rosie said that she hated learning languages. Though now, she needs to learn Chinese. I suppose she
    regretted her previous statements.
  15. 15.
    Terry
    left his keys at work. He can’t find them anywhere in the house.
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