B1+ 9C Grammar Past Modals of Deduction

1. The cat ate all the things on the plate. It ______ very hungry.

• might be
• can't have been

• must be
• must have been

2. A: Where is Jane now?B: She ______ on the way. She got on the plane at 5 a.am. Now it is 9 a.m and it takes around 8 to arrive in the US.

• might be
• can be
• can't be

• must be

3. A: I saw your sister in Adalar yesterday and she past me by without saying anything.B: You ______ my sister as she is not in Eskişehir now.

• must have seen
• can't have seen
• should have seen
• might have seen

4. Noboody knows how exactly Amelia Earhearth died. One of the theories is that she ______ because she couldnt find anything to eat.

• can't have died

• must have died
• shouldn't have died

• might have died

5. A: How much is the bag?B: It ______ expensive as it is not original.

• might be
• must be
• can't be
• can be

6. A: The Great Wall of China took around 2500 years to build. B: Thousands of people ______ in the construction. A: Yes indeed millions.

• must have worked
• might have worked
• mustn't have worked
• cant have worked

7. A: The second page of the student's exam paper is empty.B: He ______ the second page. I dont know.

• must have seen
• cant have seen
• should have seen
• might not have seen

8. Nobody answered the telephone at the dentist. I called several times.They ______ early.

• cant have left
• must have left
• might have left
• should have left

9. A: He failed the exam. B: It was an easy one. He ______ well enough.

• must have studied
• might have studied
• can't have studied
• may have studied

10.A: How was your exam?B: I'm not sure. I ______ a few mistakes.

• can't have done

• must have done
• should have done
• might have done