高考情態(tài)動(dòng)詞考查的熱點(diǎn)_情態(tài)動(dòng)詞表示推測的用法(can_could_may_

1、高考情態(tài)動(dòng)詞考查的熱點(diǎn)：情態(tài)動(dòng)詞表示推測的用法(can/could/may/might/must),一對現(xiàn)在和將來情況的推測, 形式為： 情態(tài)動(dòng)詞+動(dòng)詞原形 二對正在發(fā)生的情況的推測 形式為：情態(tài)動(dòng)詞+be doing 三 對過去發(fā)生情況的推測 形式為：情態(tài)動(dòng)詞+have done,1 It is usually warm in my hometown in March, but it _be rather cold sometimes.(2008 福建） A must B can C should D would,2 Thank you for all your hard work last

2、 week. I dont think we _it without you.(2008 山東) A can manage B could have managed C could manage D can have managed 3Why hasnt the speaker turned up? He _the flight! Ill find it out at once. A must have missed B might have missed Cmight miss D could miss,can not不可能,可能嗎,可能,could not不可能,可能嗎,可能,may/mi

3、ght not可能不,一定,Can you tell the difference?,一 句式不同 口訣：前提條件：在表示推測時(shí) can 不肯 may(might)不問 must肯定不否問,表示推測,?,二 意義不同 問題：“一定沒有，一定不是”如 何表達(dá)？,一表示對現(xiàn)在和將來情況的推測， 形式：情態(tài)動(dòng)詞動(dòng)詞原形 1 應(yīng)用：表示推測時(shí)_是正確的句子。 A He can come. B May he come? CHe could come. D Must he come? 2 特別說明：can用于肯定句中表示推測的情況：,The World Wide Web is sometimes joki

4、ngly called theWorld Wide Wait because it _be very slow.(2005浙江） A must B C will D can,解釋：當(dāng)表示客觀的（理論）可能性，意義為有時(shí)可能時(shí)，can可以用于肯定句中表示推測。這種用法常常可以說明人或事物的特征。,D,should,C,1 You _be hungry alreadyyou had lunch only two hours ago!(2008 浙江) A wouldnt B cant C mustnt D neednt 2Is there a basketball match between th

5、e Lakers and the Huston Rockets this evening?(2008 江蘇無錫模擬） There_be. Ill phone the gym and find it out. A might B C must D would,B,A,should,二表示對正在發(fā)生情況的推測， 形式為：情態(tài)動(dòng)詞be doing 譯為(可能，一定）正在 例題： 1_he be watching TV now? A:Yes,he _be watching TV now. B:No, he _be watching TV now. A Must; can; mustnt B Can ;

6、 must; cant C Can; can; mustnt D May; must; neednt,B,三 表示對過去發(fā)生情況的推測， 形式為情態(tài)動(dòng)詞+have done, 譯為:過去(可能，不可能,) 注意could,might +動(dòng)詞原形 表示對_(時(shí)間）的推測。,現(xiàn)在,將來,A: He knows much about Australia. B:He_ the book The History of Australia. A could read B could have read A might read B might have read,B,1He cant have lost

7、his way.He got a map with him. 2They could have had a meeting yesterday,but Im not sure. 3He could have gained full markes, but he was so careless to make a spelling mistake. 4 You were so rude.You may have hurt him. 5He douted,“I might have met her a long time ago.” 6He might have given you more he

8、lp,but he didnt. 7This cake is very sweet.You must have put a lot of sugar in it. 8He mustnt have sit up too late last night, for he got up early this morning.,三 對過去的推測 情態(tài)動(dòng)詞+have done,以下8個(gè)句子，有一個(gè)是錯(cuò)的，請找出并翻譯剩余句子,1,2,2,1,1,三 對過去的推測 情態(tài)動(dòng)詞+have done,如何區(qū)分表示推測的情態(tài)動(dòng)詞(can/could/may/might/must)三個(gè)方面,1 從時(shí)間上區(qū)分，三段時(shí)間

9、表達(dá)形式不一樣。,2 從句式上區(qū)分，不同的情態(tài)動(dòng)詞所用的句式 不一樣。,3 從意義上區(qū)分，不同情態(tài)動(dòng)詞意義不一樣。,1 It is usually warm in my hometown in March, but it _be rather cold sometimes.(2008 福建） A must B can C should D would,2 Thank you for all your hard work last week. I dont think we _it without you.(2008 山東) A can manage B could have managed C

10、 could manage D can have managed 3Why hasnt the speaker turned up? He _the flight! Ill find it out at once. A must have missed B might have missed Cmight miss D could miss,B,B,B,一課堂練習(xí) 二 知識回顧，競賽,1 從時(shí)間上區(qū)分，三段時(shí)間表達(dá)形式不一樣,2 從句式上區(qū)分，不同的情態(tài)動(dòng)詞所用的句式 不一樣。,3 從意義上區(qū)分，不同情態(tài)動(dòng)詞意義不一樣。,如何做情態(tài)動(dòng)詞表推測的題目?,1 can 在所有的句式中都能使用 嗎？,2 should +動(dòng)詞原形可以表示推測嗎？,3 可以用could do ,might do 表示對過去的猜測嗎？,4 mustnt have done 可以使用嗎？,5 could have done可以