modal verbs, obligation - must / should / have  ...

What did you have to do today that you didn't like?

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.

What should you really  do before the New Year?

Complete with a positive or negative form of the verb: You _____ talk to your friend like that. She might get offended.

make a question using a model verb: Why / I / stay after lessons? It's not fair!

make a question using a model verb: your grandpa / do a lot of homework when he was at school?

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.

Complete with the positive or negative form of the verb: This new movie is terrific! You ____ see it!