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Grammar

Grammar. Find the sentences containing modal verbs in the reading passage. Then usually by lunchtime they would all be sold. What could have happened? Nothing could be better…” Something terrible must have happened if …. He could not believe his eyes.

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Grammar

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  1. Grammar

  2. Find the sentences containing modal verbs in the reading passage. • Then usually by lunchtime they would all be sold. • What could have happened? • Nothing could be better…” • Something terrible must have happened if …

  3. He could not believe his eyes. • Perhaps he should go to the library and find out. • He had better do some research! • Even though her customers might get thin after eating Yong Hui’s food… • They would become tired very quickly.

  4. Modal verbs a. should, ought to都可表示“应该”。ought to用于表示按道理应当,常指客观的义务或责任,大多数情况下可用should代替,但比should语气重。 I should help her because she is in trouble. You ought to take care of the baby.

  5. b. 表示劝告、建议或命令时,should和ought to可通用,但在疑问句中常用should。ought to的否定式为oughtn’t to或ought not to。 You should / ought to go to class right away. Should I open the window? What should we do next?

  6. c. should, ought to都可表示推测。 He ought to / should be home by now. This is where the oil ought to / should be.

  7. 注意 should 和ought to 后面跟动词不定式的完成式, 其肯定句表示“过去应该做而未做”, 其否定句则表示 “过去不该做但做了”。 You should/ought to have made the decision a week ago. I shouldn’t have made such a foolish mistake. 多数情况下,ought to可与should互换使用。ought to的反意疑问句用shouldn’t替代。

  8. You ought to have helped him with his English, ________? A. won’t you B. ought not you C. shouldn’t you D. wouldn’t you

  9. 2. must和have to must的用法  1) 表示主观的义务和必要, 主要用于肯定句和疑问句, 意思为 “必须……,得……,要……”;由must引起的疑问句,肯定回答要用must或have to, 否定回答要用needn’t或don’t have to,  意思是“不必” ;

  10. must的否定形式mustn’t表示禁止,意思是“不能,不许”。如:  —Must I finish the task right now?    我现在必须完成这个工作吗?

  11. —Yes, you must. / Yes, you have to.  是的。  (—No, you needn’t. / No, you don’t have to. 不,不必。) You mustn’t come here without permission. 未经允许,你不能来这儿。  

  12. have to 的用法  1) must表示一种主观的需要,而have to表示一种客观的需要,意思是“不得不”。 如:  I have to attend an important meeting this afternoon. 今天下午我不得不参加一个重要的会议。

  13. Mother is out, so I have to look after the shop.   妈妈不在家,因此我不得不照看商店。  2) have to 的否定形式是don’t have to, 相当于needn’t。如: They don’t have to buy a computer at present.   他们目前没有必要买电脑。 

  14. 【考例】The boss has given everyone a special holiday, so we ____ go to work tomorrow. (上海 2007春) A. can’t B. mustn’t C. needn’t D. shouldn’t 【点拨】考查情态动词。根据题意, 可知这里表示“没有必要”, 故只能选C项。

  15. 【考例】─What do you think we can do for our aged parents? ─You ____ do anything except to be with them and be yourself. (重庆 2007) A. don’t have to B. oughtn’t to C. mustn’t D. can’t 【点拨】根据题意“除了和他们呆在一起做你自己外, 没有必要做任何事情。”可知这里选择don’t have to表示“不必”。故选A项。

  16. 3. must和need need作情态动词时, 只能用于疑问句和否定句。构成否定句和疑问句时不借助于助动词do。 —Need I finish the work today? —Yes, you must. / No, you needn’t.

  17. b. must的肯定形式表示“必须”,否定式 表示“禁止、严禁”。 You must come here. You mustn’t take the book away from the library.

  18. 用下列图片造句。 You should do some sports. 做适当的运动

  19. 慢慢地进食,并有助消化。 You ought to eat slowly and it’s good for digestion.

  20. You should help to set the dinner table.

  21. You should keep your room clean.

  22. We must listen to the teacher carefully.

  23. We mustn’t eat in class.

  24. You ought to hand in the homework on time.

  25. You shouldn’t be late for school.

  26. We should ask question actively.

  27. We shouldn’t make noise in class.

  28. Make sentences 1. 你每天最少要练习一小时口语。 You must practise speaking English at least an hour a day. 2. 我每天不得不练习一小时口语! I have to practise speaking English an hour a day!

  29. 3. 你应该每天练习不止一小时。 You ought to/should practice English for more than an hour. 4. 你应该读一下这个。它写得很好。 You ought to/should read this. It’s very good. 5. 你必须读这个。写得精彩极了! You must read this.It's marvelous!

  30. Please choose a proper phrase and according to the situations complete the sentences by using should (not) or ought (not) to. 1. Lisa needs a change. She _______________________________. 2. My salary is very low. You ______________________. should/ought to take a few days off should look for a new job

  31. ought not to /shouldn’t go 3. Nick always has difficulty getting up. He _______________________ ____________. 4. What a beautiful view! You __________________. 5. Billy’s room isn’t very interesting. He ___________________________ ___________. to bed so late should take a photo shouldn’t/ ought not to use her car so much

  32. Choose suitable modal verbs below to complete the following dialogues. ought/oughtn’t to should/ shouldn’t mustn’t needn’t (don’t) have to will can/ can’t 1 Sam: How can I grow thinner, Mum? Mum: Well, you _______ eat food with plenty of fibre that helps you digest better. And you _____ stop drinking cola or eating sweet food. have to should

  33. Sam: Does it mean I _________ eat my favourite fried chicken any more? Mum: Not exactly, if you love fried chicken, you ______ give it up. Just eat it less often. You ______________________________ worry too much: a little fried chicken ____ do you good! shouldn’t needn’t don’t have to/ needn’t/ shouldn’t will

  34. 2 Doctor: You are sick because you’ve eaten poisonous mushrooms. Where did you get them? Lucy: I picked them in the forest. I know we _______ eat fresh vegetables. Doctor: Oh, but you _______ eat them until you’re sure they are not poisonous. Lucy: Thank you, doctor. I’ll be more careful next time. have to mustn’t

  35. 3 Charles: I wish I could see things clearly in the dark. Tom: Eating carrots _______ help you see better. You _______ eat some every day. ought to should

  36. 练习坊 I. 根据下列英文解释写出所缺的单词。 1. _______ to discuss something with someone so that you can make a decision together 2. _______ to change food that you have just eaten into substances that your body can use consult digest

  37. 3. ______ a long pointed orange vegetable that grows under the ground 4. __________ containing poison or producing poison carrot poisonous

  38. 根据下列各句句意及所给单词的汉语提示, 写出各单词的正确形式。 1. For a long time, I’ve built my business with people who are ________ (精力旺盛的), creative, and happy about their work. 2. This rich food doesn’t _____ (消化) easily. energetic digest

  39. 3. The dish of boiled beef and _____ (胡萝卜) tastes good. 4. An increasing number of people are _________ (请教) their accountants about the tax laws. 5. This medicine is _________ (有毒) if taken in large quantities. carrot consulting poisonous

  40. II. 用所给的情态动词填空。 must; oughtn’t to; don’t have to; couldn’t; mustn’t; needn’t; can’t; have to 1. You _______________________ go on working because you look so tired now. 2. The weather turned out to be fine yesterday. I _______ have had the trouble to carry my umbrella with me. oughtn’t to / don’t have to needn’t

  41. must; oughtn’t to; don’t have to; couldn’t; mustn’t; needn’t; can’t; have to 3. If you earn more than £5,000, you _______ pay tax. 4. You _______ play now!You shall finish your homework first! 5. I know things are hard with you, but you _____________ try to get over the difficulties. have to mustn’t must / have to

  42. must; oughtn’t to; don’t have to; couldn’t; mustn’t; needn’t; can’t; have to 6. I didn’t see her at the meeting this morning; she _____________ have spoken at the meeting. couldn’t / can’t

  43. 高考链接 1. I thought you __ like something to read, so I have brought you some books. A. may B. might C. would D. must 2. Where is my pen? I ____ it. A. might lose B. would have lost C. should have lost D. must have lost

  44. 3. I didn’t hear the phone. I __ asleep. A. must be B. must have been C. should be D. should have been

  45. 4. --Is John coming by train? --He should, but he __ not. He likes driving his car. (2002高考题) A. must B. can C. need D. may 5. It has been announced that candidates (候选人) ____ remain in their seats until all the papers have been collected. (2002上海高考题) A. can B. will C. may D. shall

  46. 6. --I heard they went skiing in the mountains last winter. --It ____ true because there was little snow there. (2002北京高考题) A. may not be B. won’t be C. couldn’t be D. mustn’t be

  47. 7. ---There were already five people in the car, but they managed to take me as well. ---It ___ a comfortable journey. A. can’t be B. shouldn’t be C. mustn’t have been D. couldn’t have been 8. It’s nearly seven o’clock . Jack __ be here at any moment. A. must B. need C. should D. could

  48. Homework 1. Preview the reading (2) and reading task on Page 52. See how the story ended. 2. Find some information about healthy eating on the Internet.

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