4. Match the sentences halves.

1. Take your umbrella, A. you might fall.

2. Let’s buy a lottery ticket, B. it might not be your size.

3. Phone the restaurant, C. we might get lost.

4. Don’t stand on the wall, D. it might rain.

5. Let’s take a map, E. I might be late.

6. Try the shirt on, F. you might cut yourself.

7. Don’t wait for me, G. it might be closed on Saturday.

8. Be careful with that knife, H. we might win.

5. Complete with should or shouldn’t.

1. You ___________ stop smoking.

2. You ___________ eat red meat.

3. You ___________ work 12 hours a day.

4. You ___________ lose a bit of weight.

5. You ___________ eat more fruit.

6. You ___________ drink a lot of coffee.

7. You ___________ put salt on your food.

8. You ___________ start doing some exercise.

6. Complete the sentences with should or shouldn’t + a verb.

drive go leave relax study walk wear

1. We _____________ early. There might be a lot of traffic later.

2. You _____________ a jacket. It’s quite cold today.

3. I ________________ tonight. I have an exam tomorrow.

4. You _____________ alone in that part of the city. Get a taxi.

5. She _____________ more. She’s very stressed.

6. People ___________ so fast when it’s raining.

7. You _____________ to bed early tonight. You look really tired.

7. Complete the sentences with have to, don’t have to,

must, mustn’t, should, or shouldn’t.

We’ll have to leave early tomorrow morning.

1. Great! It’s a holiday tomorrow – we ________ go to work.

2. I need your advice. Where do you think we ________ stay in London, in a hotel or a bed and breakfast?

3. There are hungry crocodiles in that river. You ________ swim in it!

4. It’s a great film. You ________ see it.

5. You ________ talk loudly on your mobile in a restaurant. It’s bad manners.

6. You ________ drive on the right in Europe (except in the UK).

7. You ________ pay to get into that exhibition – it’s free.

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8. Write sentences with the right form of have to.

I / work on Saturday [-] I don’t have to work on Saturday.

1. Jane / work very hard [+]

2. you / wear a uniform [?]

3. my sister / go to school [-]

4. I / finish this now [?]

5. we / get up early tomorrow [-]

6. Harry / work tomorrow [?]

7. we / hurry or we’ll be late [+]

9. Put in must, mustn’t or needn’t?

1. Laura: You ______ take an umbrella. It isn’t going to rain.

Trevor: Well, I don’t know . It might do.

Laura: Don’t lose it then. You ________ leave it on the bus.

2. Vicky: Come on. We _______ hurry. We _____ be late.

Rachel: It’s only ten past. We ______ hurry. There’s lots of time.

3. David: I’ll put these cups in the dishwasher.

Melanie: No, you ______ put them in there. It might damage them. In fact, we _____ wash them at all. We don’t use them.

4. Secretary: I _______ forget to type this letter.

Mark: Yes, it _________ go in the post today because it’s quite urgent. But the report isn’t so important. You ________ type the report today.

5. Claire: My sister and I are going a different way.

Guide: Oh, you _______ go off on your own. It isn’t safe. We ________ keep together in a group.