Ability
Which modal verb do we use to express ability in the present?
Can
Which modal verbs do we use to express obligation?
Must, Have/has to
Which modal verbs do we use to give advice?
Should or Ought to
Which modal verbs do we use for ability?
Can, could, be able to
Clue :
Mobile phones are strictly forbidden during the Cambridge Exams.
You ________ use mobile phones during the Cambridge Exams.
Mustn't / Can't
Which modal verb do we use to express ability in the past?
Could
Which modal verbs do we use to express prohibition by laws and rules?
Mustn't
Can should be used to express ability?
No
Which modal verbs do we use for probability?
may / might
Clue :
You are not allowed to enter the supermarket without a shirt on.
You ________ enter the supermarket without a shirt on.
Mustn't / Can't
Is it possible to use could for present abilities?
No, it is not.
Is 'should' a modal verb to express obligation?
No, it isn't
Your salary is very low.
you should get a job
Is must a modal verb to express possibility?
No, it isn't
Clue:
Tomorrow I have a very important exam so I am going to study a lot.
I … study a lot because I have a very important exam tomorrow.
have to / must
have to / must
True or false: can is more polite than could
False
The exams are next week. I ____ work harder.
must
True or false: Shouldn't is used for prohibition
false
True or false: May is more polite than can.
True
Anna drives everywhere. She never walks
She SHOULDN'T use her car so much.
Choose the correct modal verb: She (can't /couldn't) find any books on Geology at the library right now.
She can't find any books on Geology at the library right now.
Choose the correct modal verb: You (must/should/can) obey the traffic lights.
You must obey the traffic lights.
Choose the correct modal verb: (should/might/would) I go to the doctor?
should I go to the doctor?
Choose the correct modal verb: It (may/can/could) … be faster to drive by car than bus.
It may be faster to drive by car than bus.
Clue:
I advise you to revise modal verbs before your test tomorrow.
By using Modal Auxiliary Verbs:
You … revise modal verbs before your test tomorrow.
should