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Which modal verbs do we use to express obligation?
must
have/has to
Which modal verbs do we use to give recommendations?
should/shouldn't
Which modal verbs do we use for permission?
Can, could, be able to
Which modal verb do we use to express prohibition by laws and rules?
Mustn't
True or false: Shouldn't can be used for prohibition.
False
Is must a modal verb to express possibility?
No, it isn't
Which modals can I use to give permission?
may/can
We______get up early on weekends if we make a commitment.
can
You______be right! I always know the answers.
can't
I_______go to the cinema this afternoon but today I'm ill.
could
Can should be used with ¨to¨?
No.
True or false: can is more polite than could.
False
Choose the correct modal verb: You (must/should/can) obey the traffic lights.
You must obey the traffic lights.
She ________answer all the call phones at work yesterday.
could/ couldn't
You ________ enter the supermarket without a shirt on.
can't