Ex3

1. There may/ might some chese in the fridge

2. May/ Might I hand in .....?

3. Visitors may/ might not be stayed...

4. His car may/ might be in the car park

5. Might/ May I stay here for...?

6. The show may/ might be cancelled

7. May/ Might I use your dictionary?

8. Young children may/ might not be seen this movie

9. May/ Might I ask you how old you are?

10. May/ Might I leave the....?

EX4

1. You must have heard the news

2. We should come home...

3. She can't tell the truth

5. He couldn't have seen us

4. The bus must have left

6. Nora should be here soon

7. Simon can't have missed the ferry

8. Michelle might not have applied for the job

9. Helen must do her homework now

10. Martin can't have made this mistake