1、1学习提要:一、 八年级下册复习: 情态动词二、 九年级 U3 预习：学习内容:一、情态动词：（一）情态动词的定义：表示对某以动作或状态的态度。 常见的情态动词有：can, could; may, might; must, need, shall, should, will, would 等。（二）情态动词的特点:1）有一定词义,但不能独立作谓语;2）与主要动词的原形一起构成谓语, 同时出现在同一个句子中。;3) 情态动词没有人称和数的变化4) 情态动词本身可以构成疑问和否定注意： 其否定形式：can not = cant, must not = mustnt, 注意：may not 和 sh
2、all not（无缩写形式）练一练：选择填空。1) The sign on the wall means you stay away from the building.A. must B. cant C. shouldnt2) How many books you see on the desk? A. may B. can C. should3) It means you make noise in the library. A. should B. shouldnt C. can4) - you like a glass of milk? - Yes, please. A. May B.
3、 Could C. Would5) - you see the sign over there? - Sorry, I cant. A. Can B. Cant C. Should6) we go to the park by bus? A. May B. Must C. Shall（三）情态动词的基本用法1. can (could)1） “_” 表示能力，could 主要指过去时间。Two eyes can see more than one. 翻译: _._ the girl _ before she went to school? 这女孩上学前能识字吗？2） “_” 表示推测。could
4、 可以指过去时间，也可指现在时间，语气更委婉。The temperature can fall to 60, that is 60 below zero. 翻译: _.He cant have enough money for a new car. 翻译: _.You mustnt smoke while youre walking around in the wood. You could start a fire. 翻译: _.3） “_” 表示允许。He asked whether he could take the book out of the reading-room.翻译: _.
5、4） “_” 表示请求。常与第二人称连用。_ you _ me where the nearest bank is? 你可以告诉我最近的银行在哪里吗？5）表惊异、怀疑、不相信等态度。主要用于否定句、疑问句或感叹句中。He cant be over sixty. 翻译: _.How can you be so careless? 翻译: _.22. may (might)1） “_” 表允许，might 可以指过去时间，也可指现在时间，语气更委婉。You may take whatever you like. 翻译: _.He told me that I might smoke in the
6、room. 翻译: _.2） “_” 表示请求。常与第一人称连用。May (Might) I ask for a photo of your baby? 翻译: _.在回答以 may 引起的问句时，多避免用这个词，而用其它方式，以免显得太严峻或不客气。如: _, _. / _. _ _. / _ _ _. / No, you _/ _ .等3） “_” 表示推测。He may be at home. 翻译: _.She may not know about it 翻译: _.They might be having a meeting, but Im not sure. 翻译: _.3. mu
7、st1）意为“_” （主观意志） 。表示义务或命令。否定 : mustnt “一定不要”We must do everything step by step. 翻译: _.You mustnt talk to her like that. 翻译: _.-_ we hand in our exercisebooks now? 我们现在就要交练习本吗？-No, you _. / No, you _ _ _. 不必。2）意为“_”，只用于肯定句。表示揣测。He must be ill. He looks so pale. 翻译: _.Shes wearing a diamond necklace.
8、She must have a lot of money. 翻译: _.4. need 的用法need 既可用作情态动词，也可用作实义动词。用作情态动词时，主要用于否定句和疑问句。用作实义动词时，可用于各种句式。1. 用作情态动词-_ I come? -Yes, you _. -我需要来吗？ -需要。You _ _ him now. 你现在不必打电话给他。I dont think you need worry. 翻译: _.2. 用作实义动词You _ _ _ _ it yourself. 你不必亲自做这件事。We need to tell them the news. 翻译: _.The t
9、able needs _. =The table needs _ _ _. 桌子需要油漆(paint)一下。（四）几组词的辨异 1. can 和 be able to1）情态动词 can 只有两种时态形式，现在式 can 和过去式 could，而 be able to 有多种时态形式。Mary _ play the piano. She has _ play it since she was 5. 玛丽会弹钢琴。她五岁起就会弹了。2）用在过去时中，_ 经常表示能够做某事，事实上不一定去做，而_则表示“过去做成了某事”。在否定句中两者可通用。He _ swim across the Englis
10、h Channel. But he didnt feel like it that day. 他能游过英吉利海峡，但那天他不想游。Yesterday I _ get home before the heavy rain. 昨天我在下大雨前赶到了家里。2. must 和 have to_ 表示主观意志，而_ 表示由于客观因素不得不做某事。I told her that she must give up smoking. 翻译: _.3We had to get everything ready that night. 翻译: _.（五）练习：1. There _ some flowers in
11、the garden, but there is nothing now.A. were used to be B. used to be C. uses to be D. used to be having2. “_ I take it out?“ “Im sorry, you _.“A. Could .couldnt B. Might.might not C. Could.can D. May.cant3. All the lights are on, so the Smiths _ up now.A. must get B. is getting C. must be getting D
12、. would get4. “Need we do this job now?“ “Yes,_.“A. you need B. you should C. you must D. you can5. _ to have lunch with us today?A. Do you likes B. Would you like C. Will you liked D. Have you liked6. He said that you _ watch TV all the evening if you wished.A. may B. must C. can D. might7. -Is Joh
13、n coming by train? -He should, but he _ not. He likes driving his car. A. must B. can C. need D. may8. Peter _ come with us tonight, but he isnt very sure yet.A. must B. can C. may D. will9. Michael _ be a policeman, for hes much too short.A. neednt B. cant C. shouldnt D. wont 10. I thought you _ be
14、 hungry, so I have brought you some cakes.A. may B. might C. can D. could11. Come on! We _ hurry because there isnt much time left.A. may B. must C. can D. need12. The fire spread through the hotel very quickly but everyone _ get out.A. had to B. would C. could D. was able to13. May I watch TV now,
15、mum? -No, you _. You _ do your homework first.A. dont; must B. dont; cant C. cant; must D. cant; can14. Mr. John, we must hand in our work today, _?-No, you _. But you must bring it to school tomorrow.A. neednt we; mustnt B. mustnt we; needntC. mustnt you; mustnt D. neednt we; neednt15. Children _ p
16、lay on the road or in the street. It is dangerous.A. may not B. mustnt C. couldnt D. neednt16. Even the top students in our class cant work out this problem, so it _ be very difficult. A. may B. must C. can D. need17. Must I return the book this morning? -No, you _. But you _ return it before supper
17、.A. neednt; must B. mustnt; can C. mustnt; may D. cant; need18. What _ I do for you, madam?A. may B. must C. can D. will19. You made the same mistake again. How _ you be so careless!A. shall B. may C. can D. must20. Look! It _ be the new headmaster. -It _ be him. He went to Beijing yesterday.A. can;
18、 mustnt B. can; cant C. must; cant D. must; may21. _ I close the window? Its so cold here.A. Must B. Will C. Need D. Shall422. You _ return the bike now. You can keep it till tomorrow if you like.A. cant B. mustnt C. neednt D. may not23. You _ yourself about money.A. neednt worry B. neednt to worry C. dont need worry D. neednt be worry24. Look, what you have done! You _ more careful.A. may be B. had to C. should be D. should25. The girl in white must be a nurse, _?A. isnt she B. mustnt she C. may not she D. didnt she二预习 U2 单词（发音、汉意、词性、重点词讲解）
