Ex. 8. Make negative sentences with have to.

1. “Do you get a pension?” “I’m rich so I don’t have to get it.”

2. “Does he go on working?” “He has already reached retiring age so he ……….”

3. “Do you water your plants every day? ”They don’t need very much water so I …..”

4. “Does she get up early every day?” “She doesn’t work every day so she ………”

5. “Is it necessary for us to report this accident to the police?” “No, we ………….”

6. “Shall I drive you to the station?” “No, I can get a taxi, you ………”

7. “Does he work hard?” “He is quite well-off, so he ……………”

8. “Did you make a speech?” “Everybody was in a hurry, so I …….”

9. “Did you walk?” “My cousin had a car, so we …………….”

10. “Do you wear a uniform at school?” “No, our head master doesn’t insist on it, so I …..”

Ex. 9. Underline the correct verb form.

1. Cars mustn’t / don’t have to be parked in front of the entrance to the university.

2. Your guests mustn’t / don’t have to ask for permission to stay in your room after midnight.

3. You mustn’t / don’t have to tell anybody what I’ve told you. It’s a secret.

4. We mustn’t / don’t have to rush. We have plenty of time.

5. You mustn’t / don’t have to rush. You may feel bad.

6. You mustn’t / don’t have to put salt in his dishes. Salt is very bad for his health.

7. You mustn’t / don’t have to water the flowers. It has just rained.

8. We mustn’t / don’t have to tell him the truth. It might kill him.

9. We mustn’t / don’t have to tell him a lie. He already knows everything.

10. You mustn’t / don’t have to write to him, he is coming tonight.

Ex. 10. Make the following sentences interrogative.

1. He is to be married next month.

2. The expedition is to start in a week’s time.

3. He was to come to the office at 10.

4. He was to speak to Mr. Blake.

5. He was to phone Mrs. Brown.

Now ask your friend what he was to do yesterday.

3. may - might

1. We use may /might to say that something is a possibility now or in the future.

E.g. He may be ill. = He might be ill.

It may not / might not (mightn’t) rain today.

2. We also use may / might to give and ask for permission.

E.g. You may stay out late today.

He may not go out.

May I come in? (= Can I come in?) – Yes, of course.

Ex. 11. Re-write the sentences using may/might/may not/might not in the way shown.

Perhaps he is at home. – He might be at home.

1. Perhaps he is at work.

2. Perhaps she does not like this music.

3. Perhaps she is in New York now.

4. Perhaps he doesn’t want to stay with his aunt.

5. Perhaps they live in Moscow.

6. Perhaps she is busy.

7. Perhaps he will come home soon.

8. Perhaps they don’t study hard.

Ex. 12. Answer the questions using may/might.

1. Where are you going for the weekend?

2. What is she going to do when she leaves college?

3.Who is coming to see you?

4.Where are you going to do your shopping?

5.What sport are you going to take up?

6.What are you going to have for lunch?

7.When will you come home tonight?

8.How are going to get to Sochi?