In some sentences, two answers are possible.

Example: I have (got) to/must stop smoking.

I'm sorry, you mustn't smoke here.

You'll have to/must get up early tomorrow if you want to catch the bus.

They don't have to go on a sightseeing tour if they don't want to.

1. You get a visa before you go abroad next month.

2. The children are happy because they do any homework tonight.

3. (you /do) military service in this country?

4. Mr. Butler's office is close enough to his apartment. He take a bus. He only takes it in bad weather.

5. You stand up and walk around when the plane is taking off.

6. I've got a terrible toothache. I really go to the dentist.

NEED is used:

1) to express necessity

She needs to practise her English. (= She must practise her English.)

2) to express permission not to do something

You needn't say anything if you don't want to. (=You don't have to say anything...)

NOTE:

Negatives: a) don't/doesn't/didn't need to is generally used when the situation does not or did not require something to be done.

You don't need to have a visa to go to France from Britain.

She didn't need to attend all the lectures.

b) needn't is generally used when the speaker gives the authority for something not being done.

Teacher to students: "You needn't do any homework tonight."

Questions: Do you need to apply for a visa?

What does Jack need to make a successful career in business?

Need I do any homework this weekend?

Exercise 12. Complete the following sentences with the correct form of need.

Example: The teacher says we needn't go to school tomorrow. (negative)

Do I need to have a license to drive a car in this country? (question)

You’ve got a terrible cough. You need to see a doctor. (positive)

1. My mother says that I work harder. (positive)

2. he phone you before he comes to see you? (question)

3. You can go home now, you stay any longer. (negative)

4. How much money ___ we save up for the trip? (question)

5. Pat's a clever student, but she work harder. (positive)

Exercise 13. Choose the correct or most suitable form A, B or C.

Example: You C pay my money back until next week.

A) have got to; B) mustn't; C) needn't.

1. You open the door before the train stops. You'll fall out.

A) mustn't; B) don't need to; C) don't have to.

2. We hurry. We've got plenty of time.

A) don't have to; B) have got to; C) need to.

3. You phone the station about the time of the trains. I've got the timetable.

A) mustn't; B) don't need to; C) must.

4. I go now. I can stay a bit longer if you want me to.

A) needn't to; B) must; C) haven't got to.

5. You tell Nick about the party. He already knows.

A) mustn't; B) needn't; C) don't have to.

6. You keep out of that room. It's private.

A) don't have to; B) mustn't; C) must.

7. You _____ fall asleep when you drive a car.

A) mustn't; B) needn't; C) must,

8. You wear a uniform in the army.

A) have to; B) don't have got to; C) needn't.

9. You ride a bicycle on a motorway in Britain.

A) mustn't; B) don't have to; C) needn't.

10. You come if you don't want to but I hope you will.

A) mustn't; B)must; C) needn't.

11. We haven't got much time. We hurry.

A) haven't got to; B) needn't; C) must.