1. Choose the most suitable caption for each picture.

2. You must have read the notice. You should have read the notice.

3. You should have read the notice.

4. We can’t have worn our raincoats. We needn’t have worn our raincoats.

5. We needn’t have worn our raincoats.

6. He must have hit him in the right spot
He must have hit him in the right spot! He should have hit him in the right spot!

7. He must have hit him in the right spot!

8. You must have caused an accident! You could have caused an accident!

9. You could have caused an accident!

10. Sorry, I had to go to the dentist’s
Sorry, I had to go to the dentist’s. Sorry, I should have gone to the dentist’s.

11. Sorry, I had to go to the dentist’s.

12. “ She must be kidding.”
“ She should be kidding.”

13. “ She must be kidding.”

14. “So you may not have spent too much time on the report.”
“So you needn’t have spent too much time on the report.”

15. “So you needn’t have spent too much time on the report.”

16. “You can’t have made a back-up copy of your brain.”
“You should have made a back-up copy of your brain.”
“You can’t have made a back-up copy of your brain.”

17. “You should have made a back-up copy of your brain.”