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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: 1327
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