EXPRESSING NECESSITY: HAVE TO, HAVE GOT TO, MUST

Note: Must means that something is very necessary; there is no other choice. Must is used much less frequently than have to in everyday speech and writing. Must is a strong word.

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

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

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

Exercise 9: Complete the dialogues. Use let’s and why don’t we.

1. A: The weather is beautiful today. ____________________________

B: Good idea.

2. A: I’m bored.

B: Me too. ________________________________________________

A: Great idea!

3. A: Are you hungry?

B: Yes. Are you?

A: Yes, ___________________________________________________

B: Okay.

4. A: What are you going to do over spring break?

B: I don’t know. What are you going to do?

A: I haven’t made any plans.

B: _________________________________________________________

A: That sounds like a terrific idea, but I can’t afford it.

5. A: I need to go shopping.

B: So do I.

A: __________________________________________________________

B: I can’t go then. _______________________________________________

A: Okay. That’s fine with me.

6. A: Do you have any plans for this weekend?

B: Not really.

A: I don’t either. _______________________________________________

B: Okay. Good idea.

7. A: What time should we leave for the airport?

B: ___________________________________

A: Okay.

8. A: What we should we do tonight?

B: _____________________________________

A: Sounds okay to me.

Date: 2014-12-29; view: 1242