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/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.
By using Modal Auxiliary Verbs:
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 ought to be used to express ability?
No
Which modal verbs do we use for probability?
MIGHT / MAY / COULD
Clue :
You are not allowed to enter the supermarket without a shirt on.
By using Modal Auxiliary Verbs:
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
Can should be used with ¨to¨?
No.
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.
By using Modal Auxiliary Verbs:
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
Can must be used with ¨to¨?
NO.
True or false: Shouldn't is used for prohibition
false
True or false: May is more polite than can.
True
I think it …. rain this afternoon because the sky is dark and cloudy.
May, is going to
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) … 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