1、情態(tài)動(dòng)詞,高中英語語法復(fù)習(xí),考綱要求和命題趨勢,1.準(zhǔn)確把握情態(tài)動(dòng)詞表示允許、推測、判斷等用法， 2.準(zhǔn)確把握情態(tài)動(dòng)詞在虛擬語氣句子結(jié)構(gòu)中的使用（would /could /should/might）。 3.一般來說，每年高考單選題必有一道考查情態(tài)動(dòng)詞的題目，但情景將更加逼真，設(shè)問角度將更加綜合化和細(xì)微化。,情態(tài)動(dòng)詞語法目錄,一、情態(tài)動(dòng)詞表能力 二、情態(tài)動(dòng)詞表請求、允許 三、情態(tài)動(dòng)詞表必要性 四、情態(tài)動(dòng)詞表推測 五、情態(tài)動(dòng)詞+have done,（能夠）,（能不能）,（必須）,（可能）,I can/ am able to swim. I could/ was able to climb a t

2、ree when I was a child. I will be able to swim next week. The fire spread through the hotel very quickly but everyone was able to get out.,1. can 表示現(xiàn)在的能力,2. could表示過去的能力,3. be able to 表能力，可用于多種時(shí)態(tài),4. be able to 強(qiáng)調(diào)成功地做了某事,情態(tài)動(dòng)詞表能力,shall will、would,情態(tài)動(dòng)詞表請求、允許,高考真題演練,shall ，征求對(duì)方意見。 e.g. Shall we begin ou

3、r class? Shall he go now? 2. 用于提出命令、允諾，或用于法律、規(guī)定，用于第二或第三人稱。 e.g. You shall get my book on Sunday. He shall leave the house at once. The sign reads: No person shall smoke here!,用于第一、三人稱,will would 1. 用于向第二人稱，征求對(duì)方意見。 e.g. Would you please open the door? 2. 表示個(gè)人主觀意愿。 e.g. I will help you anytime. 3. use

4、d to do would表示“過去常?！保?“過去常常發(fā)生的動(dòng)作或狀態(tài)，強(qiáng)調(diào)現(xiàn)在不了”,1. When he was there, he _ go to that coffee shop at the corner every day. A. would B. should C. had better D. might 2. Whats the name of the book? Khulaifi. _ I spell it for you? A. Shall B. Would C. Can D. Might,must need 高考真題演練,情態(tài)動(dòng)詞表必要性,must 表“必須” dont

5、 have to neednt do dont need to 2. must還可表示“偏執(zhí)、偏要” e.g. Must you make so much noise? If you must smoke ,please go out.,1. 不必須,mustnt 禁止,You _ buy a gift, but you can if you want to. must B. mustnt C. have to D. dont have to 2. When I was young, I was told that I _ play with fire. A. wouldnt B. needn

6、t C. mustnt D. darent 3. - May I smoke here ? - If you _, choose a seat in the smoking area. A. should B. could C. may D. must,情態(tài)動(dòng)詞表推測,可能性的強(qiáng)弱層次 must should/ought to can/could may/might,高考真題演練,must表示推測 1. 可能性最強(qiáng)，只能用于肯定句 e.g. That must be my pen. 2. must - 很可能 cant - 不可能 e.g. That cant be my pen.,shoul

7、d / ought to表示推測 根據(jù)經(jīng)驗(yàn)的推測，“應(yīng)當(dāng)、應(yīng)該” e.g. You photos should be ready by 12:00. 2. 表示“竟然”，帶有感情色彩。 e.g. It is strange that you should like him.,can /could 表示推測 1. 常用于否定句或疑問句。 e.g. You cant be hungry already you had lunch only two hours ago! 2. can用于肯定句中表示理論上的可能性，并不牽涉是否真的會(huì)發(fā)生 e.g. You can hurt yourself if y

8、ou play in the street. 3. cant too/enough 表示“無論.也不過分” “越來越好” You cant be too careful while driving. You cant remember enough English words.,may/ might表示推測 can not 不可能 may not 可能不 2. may/ might as well “不妨” e.g. You may as well stay for dinner.,1. That be Anns husband, for I am sure that he doesnt we

9、ar glasses. A. cant B. may not C. mustnt D. neednt 2. - Good morning. I got an appointment with Miss Smith yesterday. - Ah, you _ be Mr. Peter. A. might B. must C. would D. can,3. What do you mean, there are only ten tickets? There _ be twelve. A. should B. would C. will D. shall 4. It is usually wa

10、rm in my hometown in March, but it _ be rather cold sometimes. A. must B. can C. should D. would,5. Although this _ sound like a simple task, great care is needed. A. must B. may C. shall D. should,must have done cant have done could have done should have done neednt have done might/may have done,情態(tài)

11、動(dòng)詞+have done：表示對(duì)過去發(fā)生的事進(jìn)行推測,高考真題演練,一定做了,不可能做了,本可以做,本該做，而沒做,本不必做，而做了,可能做了,1. - She looks very happy. She _ have passed the exam. - I guess so. Its not difficult after all. A. should B. could C. must D. might 2. She _ have left school, for her bike is still here. A. cant B. wouldnt C. shouldnt D. needn

12、t,3. - Im sorry. I _at you the other day. - Forget it. I was a bit out of control myself. A. shouldnt shout B. shouldnt have shouted C. mustnt shout D. mustnt have shouted,4. You _ the exam, but you spent all your time playing. A. can pass B. could have passed C. could pass D. can have passed,5. - Catherine, I have cleaned the room for you. - Thanks. You _ it. I could manage