MODAL VERBS
A) Complete these sentences with MUST or MUSTN’T.
1. You .................. cross the roads without looking. It’s dangerous.
2. The exams are next week. I ................. work harder.
3. You .................. forget your umbrella. It’s going to rain.
4. Students ............... listen to the teacher or they won’t understand. * We ................ leave now or we’ll miss
the plane.
5. You ................. take food in your room.
6. You ................. use the elevators in case of fire.
7. You ................. a mobile phone in class.
8. We ................ feed the animals. It’s forbidden.
9. Students ................ make noise in the corridors.
10. You ................. read this book. It’s really good.
11. We .................. book the tickets before it’s too late.
12. You ................ forget his birthday again.
13. This is an emergency exit. You ............... leave your car in front of it.
14. She ...................... go to university if she wants to study Civil Engineering.
15. *I ............... post this parcel.
B) Complete these sentences using the correct forms of HAVE TO .
1. Shop assistants ..................deal with the public.
2. You ................ come with us if you don’t want to.
3. I was late this morning because I ......... wait a long time for the bus.
4. In Spain, Teachers ................ wear uniforms.
5. John ................ train nearly every day.
6. I must leave early but you ................. .
7. You ............... run. There’ s plenty of time.
8. Susan must read this book but she .............. read that one.
9. .................. (you) take the cat with you everywhere?
10. He ............... book a table at the restaurant. I’ve already done it.
11. Nurses .............. wear uniforms.
12. Factory workers ............... work in shifts.
13. I’m going to bed. I ............... be up early tomorrow.
14. If you’ve got the ticket, you ............. queue.
15. I ............. wear glasses because I can’t see very well.
16. I usually ............. correct a lot of homework.
17. You .............. go shopping today. We don’t need anything.
18. At a disco you ................ dance.
19. You ............. worry about the exam. You’ve done lots of work. * .................. (you) wait a long time for a taxi?
C) Complete these sentences using MUST, MUSTN’T, HAVE TO, DON’T HAVE TO
1.- At our school we __________ wear a uniform.
2.- You __________ cross the roads without looking. It’s dangerous.
3.- You _______ turn on the central heating. It’s automatic.
4.- The exams are next week. I __________ work harder.
5.- You ________ forget your umbrella. It’s going to rain.
6.- Students _________ listen to the teacher or they won’t understand.
7.- You _____ cross the road when the red light is showing.
8.- We __________ leave now or we’ll miss the plane.
9.- Soldiers ____________ obey orders.
10.- Sorry, I ___________ go now. I don’t want to be late.
11.- Shop assistants __________ deal with the public.
