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.

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.

I. Complete the sentence with must or have/ has to. Sometimes both are possible.

1. Vietnamese children ______ wear uniform when they go to school.  

2. Last night my sister was ill. We ______ call the doctor.  

3. I have Bad toothache. I ______ make an appointment with the dentist.  

4. I don't want to ______ wait in a queue for ages.  

5. She ______ work on Saturday morning.  

6. When you come to California, you ______ come and see us soon.  

7. This is a terrible party. We ______ go home.  

8. If there are no taxis we'll ______ walk.  

9. Daniel ______ go to the Bank. He hasn't any money.  

10. You really______ hurry up, Vicky. We don't want to be late.  

11. Oh, it's later than I thought. I ______ go.  

12. She's a really nice person. You ______ meet her.  

13. You can't turn right here. You ______ turn left.  

14. You ______ do something.  

15. I haven't phoned Lisa for ages. I ______ phone her tonight.  

16. I ______ get up early tomorrow. There are a lot of things I want to do.  

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.

MIK CAME ƠN TRƯỚC NHÉ !

Bài tập: Viết lại câu sau đây ở dạng câu điều kiện loại 1

1, He can't go uot because he has to study for his exam.

2, She has lazy so she can't pass the exam.

3, he will pay me tonight; I will have enough money to buy a car.

4, He smokes too much; that's why he can't get rid of his cough.

5, She is very shy, so she doesn't enjoy the party.

6, I will get work permit. I will stay forr another month.

7, He doesn't take any exercise. He is so unhealthy.

8, We can't get the ticket because i don't have money.

9, Study hard or you won't pass the exam.

10, Don't be impatient or you will make mistakes.

I . put the words or phrases in the right order to make a meaningful sentence

1. I / don't / want / I / pay / you / to / pay / me / will / for / for / myself

2. keep / reach / the children's / out of / these medicines

3. has / Jane / to / go / a long time / away / for

4. I / lost / the car / and / my keys / somewhere / between / the house

5. Please / do / it / help / me / I / can't / myself

6. Mai / swept / the / floor / kitchen / evening / yesterday

7. Don't / wake / the / baby / so / much / noise / we / mustn't / make

8. Tri / have / is / he / rich / doesn't / to / work / extremely

3.I___forget my key,or I won't get in.

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

4.You___go off on your own at night.It's not safe at all.

A.needn't       B.should       C.mustn't        D.must

5.The police told Nick___keep his dog under control or she would definitely hurt somebody in the room.

A.could       B.might     C.can      D.must

(GIÚP MIK VỚI Ạ,MIK ĐANG CẦN GẤP!!!!!!)

Chọn dạng động từ đúng ( I'm doing) hoặc ( I'm not doing)

1. Please don't make so much noise..... I'm trying..... (I/try) to work

2.Let's go out now................. ( it/rain) any more.

3.You can turn off the radio...... (I/listen) to it

4. Kate phoned me last night. She's on holiday in France . .......... (she/have) a great time and doesn't want to come back

5. I want to lose weight , so this week.......... ( I/ eat) lunch

6. Andrew has just started evening classes . ............... ( he/learn) Japanese

7. Paul and Sally have had an argument ............ (they/speak) to each other

8................. ( I/get) tired. I need a rest