Modal Verbs of Probability Exercise

Modal Verbs of Probability

1. They ____ have been here by now. What's the time?

2. She ____ be at work. Today's her day off.

3. That ____ be kole at the door, he said he'd stop by.

4. You haven't eaten today? You ____ be starving!

5. The weather forecast for tomorrow is excellent. Yes, it ____ be lovely.

6. Your son got a scholarship? You ____ be very proud.

7. She ___ have failed the exam, she knew all the answers.

8. He opened a business in the new mall. I know it ____ do well.

9. He ____ be home by now. He just left.

10. "My coat isn't where I left it." "Someone ____ have taken it."

Keys

1. should2. cant

3. should

4. must

5. ought to6. ought to7. cant

8. will

9. cant 10. must