Educco IDESCAT Intermediate 3

29th March | L16 Online work

Modal verbs for speculation and deduction


must - might - can't - must have - might have - can't have

Which are followed by a bare infinitive, and which a past participle?


Complete the sentence:

1. Sit down, you ______ be tired.
   
2. I have a missed call from my brother. He ______ called when I was in the shower.
3. That ______ be my umbrella - it's the wrong colour.
4. From the expression on her face, I think I ________ said the wrong thing, but she didn't say anything.
   
5. The paper in the printer ________ finished - I just filled it five minutes ago.
   
6. We're going to that new restaurant, but you ______ book and it's very popular, so it ______ be full.
   

Course contents

must - might - can't = followed by bare infinitive
must have - might have - can't have = followed by past participle

Answers

1. Sit down, you must be tired.
2. I have a missed call from my brother. He must have called when I was in the shower.
3. That can't be my umbrella - it's the wrong colour.
4. From the expression on her face, I think I might have said the wrong thing, but she didn't say anything.
5. The paper in the printer can't have finished - I just filled it five minutes ago.
6. We're going to that new restaurant, but you can't book and it's very popular, so it might be full.