1) Two things you have to do today. 2) Three things you don't have to do when you're on holiday. 3) Two things you can do at school. 4) Two things you don't have to do when you shop online. 5) What you mustn't do when you're driving. 6) One thing you had to do when you were a child. 7) Two things you must find out (learn) about a country before you visit it 8) Two things you can talk about with strangers 9) What you can't do if you have the flu.

Can, must, have to

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