Fill in must, mustn't, have to or needn't. 1. tidy your room every day. wash the doors, too? 3. wash the windows and dust the furniture either. 4. touch switches. 5. a eat some chocolates all atonce or he'll be sick. 6. you are much better and stay inhospital any longer. 7. if you are ill, go back to workfor two weeks. 8. if you are not ill, stay in bed all day. 9. go outside if you have a sore throat. 10. smoke if you want to be healthy. 11. drink alcohol. it's not useful. 12. remember to take your medicineevery four hours. 13. if you want to be healthy, getvery tired. 14. have any visitors if you don'twant to. 15. leave hospital until the nursegives you all your medicine.
2 Do I need ...
3 You must (have to)... and you must (have to) ...
4 mustn't
5 mustn' ...
6 needn't
7 needn't
8 have to (need, must - not so common)
9 mustn't
10 mustn't (needn't)
11 mustn't (needn't)
12 must
13 mustn't
14 needn't
15 mustn't