Modals of Deduction Exercise

For each sentence, choose between can't, might or must to fill each space.

1. Your mother be a great cook. You are always so keen to get back home to eat!

2. I don't know why I am so tired these days. I be working too hard. Or maybe I am not sleeping too well.

3. Do you know where Carl is? He be out - his car keys are on the table.

4. You seem to know everything about the theatre. You go every week.

5. To give the promotion to Harold was silly. He know much about this company after only a year working here.

6. Go and look in the kitchen for your gloves. They be in there.

7. Oh, the phone is ringing. Answer it. It be Kate. She always rings at this time.

8. Dan has been drinking that whiskey since early this afternoon. He be totally drunk by now.

9. That couple think much of this film. They're leaving already - after only 20 minutes!

10. That's the second new car they have bought this year. They be very rich!