Modal verb exercises

1. It was impossible that he forgot to wear the helmet.

• A. He should have worn the helmet

• B. He must have worn the helmet

• C. He can't have forgot to wear the helmet

• D. He needn’t have forgot wearing the helmet

2. The fishes had died. I’m sure he forgot to feed them.

• A. He must have forgot to feed the fishes.

• B. He should have fed the fishes.

• C. He needn’t have fed the fishes.

• D. He might have forgot feeding the fishes.

3. His parents complained about his absence from school. It’s wrong of him not to tell them about that.

• A. He should have told his parents about his absence from school.

• B. He might have told his parents about his absence from school

• C. He must have told his parents about his absence from school

• D. He can have told his parents about his absence from school

4. I’m sure that she didn’t kill him because she was with me at the supermarket when the murder happened.

• A. She mustn’t have killed him because she was with me at the supermarket when the murder happened.

• B. She needn’t have killed him because she was with me at the supermarket when the murder happened.

• C. She can’t have killed him because she was with me at the supermarket when the murder happened

• D. She shouldn’t have killed him because she was with me at the supermarket when the murder happened

5. Perhaps he will return before you call.

• A. He may be returning before you called.

• B. He may/might have returned before you called

• C. He should have returned before you called

• D. He may return before you call

6. You don’t need to type the letter right now. You can do it later.

• A. You mustn’t type the letter right now because you can do it later

• B. You can’t have typed the letter right now because you can do it later

• C. You needn’t type the letter right now because you can do it later

• D. You needn’t have typed the letter right now because you can do it later

7. It’s against the law if you hunt the endangered species.

• A. You don’t need to hunt the endangered species

• B. You mustn’t hunt the endangered species

• C. You needn’t hunt the endangered species

• D. You can’t hunt the endangered species

8. I’m sure he knew all about the secret because he was there when we were talking.

• A. He must be knowing all about the secret because he was there when we were talking

• B. He should have known all about the secret because he was there when we were talking

• C. He must have known all about the secret because he was there when we were talking

• D. He might have known all about the secret because he was there when we were talking

9. It isn’t mandatory to submit my assignment today.

• A. I mustn’t submit my assignment today

• B. My assignment must have been submitted today

• C. I needn’t submit my assignment today

• D. My assignment is required to submit by today

10. Tom went on and on apologizing about it, which was quite unnecessary.

• A. Tom can’t have apologized. I quite understand

• B. Tom shouldn’t have apologized. I quite understand

• C. Tom wouldn’t have apologized. I quite understand

• D. Tom needn’t have apologized. I quite understand