Worksheet for practicing modal verbs of deduction with matching and fill-in-the-blank exercises.

1) MATCH THE SENTENCES
1. He might be American. - d) He’s wearing a baseball cap.
2. He can’t be a university student. - i) He’s not old enough.
3. He must be cold. - j) He isn’t wearing a jumper.
4. He might be going to the gym. - a) He’s carrying a sports bag.
5. He could be lost. - c) He’s looking at a map.
6. He must be married. - h) He’s wearing a wedding ring.
7. He must be a tourist. - b) He’s carrying a camera and a guide book.
8. He can’t be enjoying the party. - f) He isn’t talking to anybody.
9. He may not have a job. - e) He’s looking at job adverts in the newspaper.
10. He can’t be a businessman. - g) He isn’t wearing a suit.

2) COMPLETE WITH MUST, MIGHT(NOT) OR CAN’T
1) must
2) might not
3) must
4) can’t
5) might
6) must
7) might not
8) can’t
9) might
10) might
11) must