Choose the correct words.

1. You mustn't / don’t have to / don’t must cheat in exams.

2. If you need help, you should to / need / should talk to your teacher.

3. I’m not thirsty, so I shouldn’t / don’t need / needn't to stop and have a drink.

4. You mustn't / don’t need / don’t have to do this extra homework. It’s your choice.

5. We must / have / need arrive on time to school every day.

6. Rosie has / have / need to catch the next bus.

Circle the correct answers to complete the sentences.

1. You must/mustn't respect older people. You can learn some valuable lessons from them.

2. We don't have to/have to wear uniforms on weekdays. It's the rule at our school.

3. You should/mustn't ask your parents for permission if you want to colour your hair.

4. In the past, women had to/must do all house work. It was one of their duties.

3. Read the Learn this! box and complete the rules. Use must, mustn't, needn't and don't have to. Use your answers to exercise 2 to help you.

(Đọc hộp Learn this! và hoàn thành các quy tắc. Dùng must, mustn't, needn't and don't have to. Sử dụng các câu trả lời trong bài 2 để giúp bạn.)

LEARN THIS! must, mustn't and needn't/ don't have to

a. We use (1) _____ to say that something is necessary or very important to do.

b. We use (2) _____ and (3) _____ to say that something is not necessary.

c. We use (4) _____ to say that something is prohibited (a negative order)

Note: We can also use passive forms after modal verbs.

Helmet must be worn at all times.

Listen and circle what you hear: contracted or full forms. Practise saying the conversations in pairs.

1. A: You (1) mustn't / must not be rude to your parents.

    B: Yes, Grandma. But my parents (2) don't / do not listen to me.

2. A: (3) It's / It is 11 o'clock. Have you done your homework yet?

    B: Yes, (4) I've / I have.

Exercise 2: Fill in the blanks using one of the following modal

verbs: can, can’t, must, mustn’t, need, needn’t, should, shouldn’t

1. You __________ finish your work, because it’s late.

2. We __________ get up early, we __________ be late.

3. Don’t be nervous! You __________ be calm. You __________ be nervous.

4. John __________ translate the English text. He __________ learn more.

5. People __________ smoke in this building, because it’s forbidden.

6. These boys are too young, they __________ go to the disco.

7. The windows aren’t dirty, you __________ clean them.

8. It’s very hot in summer. We __________ water the flowers twice a week.

9. The mother __________ go to the bank, because she hasn’t got any money.

10. Jim and jack have a lot of horses. They __________ ride a horse.

11. I __________ help you, because I don’t know the solution.

12. Before dinner people __________ wash their hands.

13. We __________ the meeting early, we __________ stay until the end.

14. This girl __________ drink so much cola. It’s not healthy.

15. Susan has a lot of free time, she __________ hurry.

16. It’s a fantastic movie. You __________ see it.

17. You __________ learn to ride a bike. It’s very useful.

18. We __________ forget to visit our grandparents at the weekend.

19. Jim __________ remember to feed his cat before he goes to work.

20. Children __________ eat a chocolate every day.21. This family __________ buy a bigger house, because this house is too small for

them.

22. My friend __________ relax more, because he is depressed.

23. Our mother is very old and ill, she __________ work in the garden.

24. This flat isn’t big enough, you __________ rent this.

25. These documents are very important, we __________ lose them.

26. This dog isn’t hungry, you __________ feed it.

27. I __________ speak German fluently, because I always learn hard.

28. Tom __________ forget to turn off the TV before he goes to bed.

29. Julia __________ remember to turn off the lights before she goes away.

30. You __________ go home. You __________ stay here if you want.

31. I __________ write an essay now. I __________ do it tomorrrow.

32. You __________ be afraid of my dog, because it’s very friendly.

33. Our children __________ sing well. They don’t have a good ear for music.

34. Children __________ watch Tv so much. They __________ learn more.

35. I __________ forget to do the English homework.

36. Peter __________ work hard, but he is lazy.

37. We __________ eat less chocolate. We are very fat.

38. Children __________ go to school every day.

39. I feel bad, I __________ go to the doctor.

40. You __________ be late, this meeting is very important.

41. This film is too agressive. Children __________ see it.

42. It’s late, I __________ go now.

43. Big cities are very dangerous. Women __________ go out in dark.

44. This man is very ill, he is in hospital. He __________ go home.

45. We __________ work a lot because we __________ money for food and clothes.

46. Maria __________ an umbrella because it’s raining.

47. Roads are slipperyin winter, you __________ drive carefully.

48. These parents are very poor. They __________ save more money.

49. You __________ worry. This illness isn’t so serious

Choose the correct answers A, B, C or D to complete the following sentences. 

1. You ________________ learn to keep your bedroom tidy. No one can clean it for you.

A. must                 B. had to               C. mustn't                   D. shouldn't

2. Fifty years ago, my grandmother ________________  stay at home and do all housework. She couldn't go to school like her brothers.

A. must              B. had to              C. didn't have to               D. should

3. You ________________ wear shorts to school. It's against the school rules.

A. should               B. have to                 C. mustn't              D. don't have to

4. I think parents ________________ compare their children to other's. They will become less confident in their abilities.

A. should                B. have to               C. must                   D. shouldn’t

5. My parents respect my choices. I ________________ follow in their footsteps.

A. don't have to                  B. mustn't                C. should               D. have to

Chọn đáp án đúng:

2. I am wrong, _______________?
A. am I    B. won’t I    C. isn’t I   D. aren’t I
3. You must have stolen my wallet, ________________?
A. mustn’t you    B. don’t you?    C. haven’t you    D. didn’t you
4. Women ________________ to live longer than men.
A. say    B. are said    C. are saying      D. have said
5. All the workers _____________ that they will have to work extra hard this month.
A. notify   B. have notified    C. are notified   D. are being notified
6. It was announced that the meeting ______________ until next week.
A. was delayed   B. had delayed   C. will be delayed    D. would delay
7. She forget _______________ him the email.
A. to send   B. to be sent    C. sending    D. being sent
8. I have read the newspaper ______________ by my father.
A. editing      B. edited    C. to edit      D. be edited
9. __________________ all his homework, he went to bed.
A. Having finished   B. To be finished    C. To finish    D. Be finishing
10. The ____________________ car was six years old now, but it was still in good shape.
A. big Chinese black         C. big black Chinese
B. Chinese big black         D. black big Chinese
11. I want an ______________________ dress to wear to attend the party tonight.
A. pink silk beautiful         C. silk beautiful pink
B. beautiful silk pink         D. beautiful pink silk
12. John dreams of settling down in a(n) _____________________ village and enjoy the breathtaking view.
A. lovely little old   B. little old lovely   C. lovely old little   D. old little lovely
13. Don't get upset _____________ the dress - there's only a little stain on it.
A. about    B. on    C. at   D. for
14. I'm hopeless ______________ sports. I have no skills to play any sports.
A. about   B. on     C. at    D. for
15. The region is renowned ______________ its outstanding natural beauty.
A. from     B. about     C. on    D. for
16. I had to read the letter twice before I could take it all _____________.
A. in     B. on    C. up     D. down
17. The burglars made _________________ before the police arrived.
A. out    B. off     C. up    D. of
18. I don’t go ____________ action movies. I am a big fan of romances.
A. through     B. over     C. for    D. to
19. The accident was the ________________ consequence of carelessness.
A. vulnerable     B. susceptible    C. inevitable    D. sudden
20. Their _______________ use of water caused a flood in their lawn.
A. automatic    B. relentless    C. reluctant    D. irresolute
21. I am _____________ to take on the extra work without more pay.
A. disinclined    B. devious    C. crooked    D. deceitful
22. ________________ the weather was bad, we performed excellently.
A. Because    B. Despite     C. Due to    D. Although
23. ______ careful preparation, they had a lot of difficulties in making the film.
A. Because     B. Despite     C. Whenever    D. Although
24. ________________the congestion, we weren’t late for the meeting.
A. Because of    B. In spite of    C. Though    D. Whatever

Read the Learn this! box. a) Underline must/have to + infinitive in the dialogue. Then complete the following sentences using must mustn't have to don't have to.

1 A hotel receptionist ______ be good at communication.

2 You ______ pay for the tickets in advance.

3 Examinees ______ switch off all modern gadgets during the exams.

4 You ______ leave litter lying around.