Complete the following sentences using appropriate modal auxiliaries.
1He ............... be on holiday, but I’m not sure.
Wrong!
Use "may" to show an uncertain possibility.
2You ............... be right, but I would still like to check.
Wrong!
Use "may" to admit that something is possibly true.
3............... you turn down the volume, please?
Wrong!
Use "Can" for a natural informal request.
4You ............... go when you have finished.
Select 2 answers.
Wrong!
Use "can" or "may" to give permission.
5You ............... ask whatever questions you have.
Select 2 answers.
Wrong!
Use "may" or "can" to give permission to ask questions.
6You ............... smoke in the kitchen; it is against the rules.
Select 2 answers.
Wrong!
Use "must not" or "cannot" to say that something is not allowed.
7From his accent, he ............... be from Toronto.
Wrong!
Use "could" to express a possible conclusion.
8"Who can it be?" "It ............... be the postman."
Wrong!
Use "cannot" to say that the speaker thinks something is impossible.
9The weather ............... be hotter tomorrow.
Select 2 answers.
Wrong!
Use "may" or "could" to express future possibility.
10............... you dance?
Wrong!
Use "Can" to ask about ability.
Done.
Score: 0/10
Answers
- He may be on holiday, but I’m not sure.
- You may be right, but I would still like to check.
- Can you turn down the volume, please?
- You can / may go when you have finished.
- You may / can ask whatever questions you have.
- You must not / cannot smoke in the kitchen; it is against the rules.
- From his accent, he could be from Toronto.
- “Who can it be?” “It cannot be the postman.”
- The weather may / could be hotter tomorrow.
- Can you dance?

