complete the sentence with " must , mustn't , have to or ought to " ( make changer if neesary .

1. we don't ________ go home befor 17:00 every day .

2. You ___________ read the book . It's really excellent .

3. you ____________ drive on the left when you are in Viet Nam .

4. left tired and ____________ go to bed early last night 

5. keep silent ! all of you ___________ wear helmet when you drive .

6. because i đin't have enough money , i ______________ lent some more form him .

giúp mình với nhé mình cảm ơn rất nhiều ạ

Complete the sentences with the correct forms of MUST, HAVE TO or SHOULD

1. They __________ arrive in a few hours.

2. They __________ go home at 12 because my mother wants the motorcycle.

3. They insist that we __________ have a meal before the trip,

4. If there are no trains today, we will __________ go by coach.

5. I think you __________ tell your parents you’re going to be late so that they won’t be worried.

6. Visitors __________ feed the animals in the zoo.

7. The manager suggested that we __________ try to find another hotel.

8. You __________ see the film if you have time.

9. Staff __________ smoke when serving customers.

10. Do you think we __________ ask before we borrow the dictionary?

11. You __________ come to the party if you don’t want.

12. You __________ smoke at your age.

13. I don’t want to __________ wait in a queue for ages.

14. Do you think I __________ tell the teacher what happened?

15. My teacher told me that I __________ be late.

16. You __________ get up early tomorrow if you don’t want to miss the first bus.

17. Although you have a passport, you __________ have a visa to come to the USA.

18. Tom __________ go to the bank because he has no money left.

19. We __________ work late last night.

20. You __________ be carefully in public areas in big cities in order not to be cheated.

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.

 1:Complete the sentences with mustn't or don't/ doesn't have to
1. I don't want anyone to know about our plan. You _____ tell anyone.
2. Richard _____ wear a suit to work but he usually does.
3. I can stay in bed tomorrow morning because I _____ go to work.
4. Whatever you do, you_____ touch that switch. It's very dangerous.
5. There's a lift in the building so we _____ climb the stairs.
6. You _____ forget what I told you.It's very important.
7. Sue _____ get up early, but she usually does.
8. Don't make so much noise. We _____ wake the children.
9. I _____ eat too much. I'm supposed to be on a diet.
10. You _____ be good player to enjoy a game of tennis.

Bài 1:Complete the sentences with mustn't or don't/ doesn't have to

1. I don't want anyone to know about our plan. You _____ tell anyone.

2. Richard _____ wear a suit to work but he usually does.

3. I can stay in bed tomorrow morning because I _____ go to work.

4. Whatever you do, you_____ touch that switch. It's very dangerous.

5. There's a lift in the building so we _____ climb the stairs.

6. You _____ forget what I told you.It's very important.

7. Sue _____ get up early, but she usually does.

8. Don't make so much noise. We _____ wake the children.

9. I _____ eat too much. I'm supposed to be on a diet.

10. You _____ be good player to enjoy a game of tennis.

Bài 2: Điền động từ khuyết thiếu “must” hoặc ‘mustn’t” vào chỗ trống để hoàn thành các câu sau.

1. I __________do the laundry every2 days

2. You __________ stay out too late.

3. You ___________ break the class’s rule

4. My mother doesn’t want me to arrive home late, so I __________ leave now.

5. Those boys ___________ finish their homework before going out.

6. Jim ___________ finish his essay today because he’s very busy tomorrow.

7. Passengers___________ use phones on the plane.

8. You __________ be late for school tomorrow.

9. Children _______________ be accompanied by an adult when visiting this dangerous place.

10. I ____________ be home before dinner.

11. Students_________ talk during the exam.

12. You ____________ cheat in a test.

13. There _____________ be someone upstairs. I can hear the noise.

14. We _____________ give up on what we are doing.

15. You __________ let strangers enter the house while I’m not in.

Bài 3: Hoàn thành các câu sau bằng động từ khuyết thiếu “must“hoặc “have to” và động từ trong ngoặc.

1. I _________learn Japanese. I need itmy job.

2. I _________learn Japanese. I love it.

3. I _________ wake up early tomorrow .I want to watch the sunrise.

4. I ________ wake up early tomorrow. I have a meeting early in the morning

5. I ________ wear a black dress because I want to look good.

6. I _______wear a black dress because that is the requirement of my company.

7. I __________ go home now because it’s too late.

8. I __________ go home now because I have a lot to do.

9. I _________go to see my friend because I miss her.

10. I _________ go to see my classmate because we work on the same project.

11. You ________ wear a tie in the company. It‘s one of their rules.

12. I ___________ go abroad next week. My boss wants me to sign a contract with our foreign customers.

13. I __________ work harder. I want to be successful.

14. This room is mess, I _____________ find time to clean it!

15. You really ___________ stop driving so fast or you’ll have an accident!

Bài 4: Điền động từ khuyết thiếu “mustn’t” hoặc “don’t have to“ vào chỗ trống để hoàn thành các câu sau.

1. You _______________pick me up tomorrow. I will take a taxi.

2. Look at that sign! You ___________ walk on the grass.

3. You __________ blame anyone for your mistakes. You need to be responsible for yourself.

4. You __________ be absent from class tomorrow because the teacher will check your attendance.

5. I ____________ prepare dinner because we will eat out tonight.

6. You _________ leave any rubbish here. It is forbidden.

7. You __________ let anyone know that. It is a big secret.

8. You __________ come early tomorrow because the event will start late.

9. You __________ park your car here. There is a”No parking sign”

10. We don’t have much money left. We _____________ waste anymore.

11. They __________ forget their homework at home.

12. I ____________ do the housework because I have a maid do it for me.

13. They ____________ break the rule that way. It is unacceptable.

14. I ____________ use the computer after 11pm because my mother doesn’t allow me to.

15. You __________ buy that book. I will lend you mine.

1. It's cold. You should/shouldn't turn on the fan. 2. You ought not to/ought to do homework before you go out with your friends. 

3. You should/shouldn't eat plenty of fruit or vegetables every day in order to keep healthy. 4. You must/mustn't eat in the class. 5. You ought to/ought not to drink a lot of water every day. 6. I must/have to submit my homework before 12 o'clock because the deadline is 12 o'clock. 7. I must/have to stay at home to take care of my children. 8. My friend says: "You don't have to/mustn't drink champagne. You can have a coke or fruit juice instead. 

9. You don't have to/mustn't drink if you're going to drive afterwards.

 10. You don't have to/mustn't pick up Tom at the airport because Judy will 

Bài 13: Complete the sentences with mustn't or don't/doesn't have to

1. I don't want anyone to know about our plan. You mustn't tell anyone.

2. Richard doesn't have to wear a suit to work but he usually does.

3. I can stay in bed tomorrow morning because I ……………………….. go to work.

4. Whatever you do, you .................................. touch that switch.It's very dangerous.

5. There's a lift in the building so we ……………………………….. climb the stairs

6. You ........................................... forget what I told you.It's vry important.

7. Sue ………………………..... get up early, but she usually does.

8. Don't make so much noise. We ………………………………... wake the children.

9. I …………………………….. eat too much.I'm supposed to be on a diet

10. You ……………………………... be good player to enjoy a game of tennis.

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.

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.