Share modal verbs, obligation - must / should / have to/ need to
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What should you really do before the New Year?
your answer
What did you have to do today that you didn't like?
your answer
Complete with a positive or negative form of the verb: You _____ talk to your friend like that. She might get offended.
shouldn't / mustn't
Complete with the positive or negative form of the verb: This new movie is terrific! You ____ see it!
must
Complete with a positive or negative form of the verb: Are you going to the party? You ______ dance, just be there. Alice will be waiting for you.
don't have to
make a question using a model verb: Why / I / stay after lessons? It's not fair!
Why should I stay / Why do I have to stay...?
make a question using a model verb: your grandpa / do a lot of homework when he was at school?
Did your grandpa have to do a lot of homework...?
Who has to work longest hours in your family?
You _____ open this can in the house. We don't know what's inside. It might be poisonous.
mustn't
