Exercise 8:Complete the sentences with don’t/doesn’t have to or must not

Exercise 7:Complete the sentences. Use have to, has to, or had to.

1. I went downtown yesterday because I had to go to the City Hall.

2. I can’t go to the movie tonight because ____________________

3. I couldn’t go to Pete’s party last Saturday because ___________

4. John can’t go downtown with us this afternoon because ___________

5. When I was in high school _________________________________

6. If you want to travel abroad ________________________________

7. I’m sorry I was absent from class yesterday but _________________

8. Alice can’t come to class tomorrow because _____________________

9. I need a car because _________________________________________

10. When I worked in my uncle’s restaurant _________________________

11. If you want to enter the university _____________________________

12. We wanted to go on a picnic yesterday, but we couldn’t because _______

13. I wanted to _______ yesterday, but _________ instead.

4-5 EXPRESSING LACK OF NECESSITY: DO NOT HAVE TO;

EXPRESSSING PROHIBITION: MUST NOT

a)I finished all my homework this afternoon. I don’t have to studytonight. b) Tomorrow is a holiday. Mary doesn’t have to goto class.	Don’t/doesn’t have toexpresses the idea that something is not necessary.
c)Children, you must not playwith matches! d) We must not usethat door. The sign says: PRIVATE. DO NOT ENTER.	Must notexpresses prohibition. (DO NOT DO THIS!)
e) You mustn’tplay with matches.	Must + not = mustn’t.

1. Liz finally got a car. So now she usually drives to work. She _______ take the bus.

2. Tommy, you ________ say that word. That’s not a nice word.

3. Mr. Moneybags is very rich. He _______ work for a living.

4. If you are in a canoe, you _______stand up and walk around. If you do the canoe will probably tip over.

5. A: You _______ tell Jim about the surprise birthday party. Do you promise?

B: I promise.

6. A: Did Professor Adams make an assignment?

B: Yes, he assigned Chapters 4 and 6 but we _______ read Chapter 5.

7. A: I ______ to set my alarm for 5:30.

B: Why do you have to get up at 5:30?

A: I’m going to meet Ron at 6:00. We’re going fishing.

8. A: Listen to me carefully, Annie. If a stranger offers you a ride you _______ get in the car. Never get in the car with a stranger. Do you understand?

B: Yes, Mom.

9. A: Do you have a stamp?

B: Uh-huh. Here.

A: Thanks. Now I ______ go to the post office.

10. A: Children, your mother and I are going to go out this evening. I want you to be good and follow these rules: You must do everything the baby-sitter tells you to do. You __________ go outside after dark. It’s Saturday night so you ______ go to bed at eight. You can stay up until eight-thirty. And remember: you _______ pull the cat’s tail. Okay?

B: Okay, Dad.

4-6 MAKING SUGGESTIONS: USING LET’S AND WHY NOT

a) A: It’s hot today. Let’s goto the beach. B: Okay. Good idea. b) A: It’s not hot today. Why don’t we go to the beach? B: Okay. Good idea.	Let’s(do something) and why don’t we (do something) have the same meaning. They are used to make suggestions about activities for you and me.
c)A: I’m tired. B: Why don’t you takea nap? A: That’s a good idea. I think I will.	People use why don’t you(do something) to make a friendly suggestion, to give friendly advice.

Дата добавления: 2014-12-24