What must they do in these situations? write questions and answers using must or mustn't. use the following phrases call a doctor buy a present call the firemen help him find his way home stay up late go to bed early example: he is always late for school. what must he do? he must get up earlier. 1. maxim is going to a birthday party today. 2. sam is ill. 3. my brother is going to leave very early tomorrow. 4. a man sees a house on fire. 5. you see a crying child lost in the street.
2.What must Sam do? He must call a doctor
3.What musn't he do? My brother musn't stay up late.
4.What must man do?A man must call the firemen.
5.What must you do? You must help him find his way home .