初中英語(yǔ)語(yǔ)法：情態(tài)動(dòng)詞講解與練習(xí)有答案資料-預(yù)覽頁(yè)
【正文】 I have to go now. 我得走了?！ eed 是一個(gè)情態(tài)動(dòng)詞，他的用法完全和其他情態(tài)動(dòng)詞一樣，但 need 還可當(dāng)作實(shí)義動(dòng)詞使用，這時(shí) need 就象其他動(dòng)詞一樣，有第三人稱，單復(fù)數(shù)， 后面加帶 to 的動(dòng)詞等特性?！ ou needn39?！ are you catch the little snake? 你敢抓小蛇嗎? dare 除用作情態(tài)動(dòng)詞外，更多的是當(dāng)實(shí)義動(dòng)詞使用， 用法同實(shí)義動(dòng)詞一樣，要考慮人稱，單復(fù)數(shù)，時(shí)態(tài)等?！ ou ought to read these books if you want to know how to repair the motorcar. 如果你想知道如何修理汽車(chē),你應(yīng)該讀這些書(shū)?！ ou ought to have been here yesterday. 你昨天就應(yīng)該來(lái)?！ ?. will (would) 表決心、愿望。 . a. Surely we will support all the people in the world in their struggle for peace. b. He would not let me try it . 3）表示對(duì)對(duì)方的請(qǐng)求，用于第二人稱作主語(yǔ)的疑問(wèn)句中，would的語(yǔ)氣比will委碗,疑問(wèn)句中一般用some, 而不是any。必須39?！ ? a. He had to look after his sister yesterday. 3） 在否定結(jié)構(gòu)中： don’t have to 表示“不必” mustn’t 表示 “禁止” . a. You don‘t have to tell him about it. b. You mustn‘t tell him about it. amp。 1)實(shí)義動(dòng)詞:need+ n. / to do sth 2)情態(tài)動(dòng)詞： need，只用原形need后加do，否定形式為need not?！ ?better表示最好 had better 相當(dāng)于一個(gè)助動(dòng)詞，它只有一種形式，它后面要跟動(dòng)詞原形?！ ou had better have e earlier. 問(wèn)句 肯定回答 否定回答 Need you…?Yes, I must. No,I needn‘t Must you…?Yes, I must. No, I needn’t. /don’t have to. May I …? Yes, of course. No, you mustn’t. Could you…? Yes, you can. No, you can’ Yes,you could. No,you couldn’t. must 用于肯定句 can 用于否定句或疑問(wèn)句 May 用于肯定句或否定句 should 用于肯定句 can, could, may, might, must 皆可表示推測(cè)，其用法如下： 1）情態(tài)動(dòng)詞+動(dòng)詞原形。 表示對(duì)現(xiàn)在或?qū)?lái)正在進(jìn)行的情況進(jìn)行推測(cè)。The road is wet. It must have rained last ，昨天晚上一定下雨了?！ ?）推測(cè)的否定形式，疑問(wèn)形式用can39。t have found his car, for he came to work by bus this morning. 邁克一定還沒(méi)有找回他的車(chē)，因?yàn)樵缟纤亲财?chē)來(lái)上班的?！ inda has gone to work, but her bicycle is still here. She must have gone by bus. 3) ought to have done sth, should have done ，而事實(shí)上并沒(méi)有做?！ ?) needn39。 B. Cans dangerous. A. needn39。 water. B. is going tot B. mustn39。t B. can39。t C. needn39。根據(jù)句意應(yīng)選D。你不必做某事了。t表示“ 禁止、不能”。9．答案B 解析：依據(jù)題意：在火車(chē)進(jìn)站之前，你絕不能打開(kāi)車(chē)門(mén)?？芍銢](méi)必要。故選A。t. mustn39。我們打掃一下好嗎？用should來(lái)表示征求、詢問(wèn)。t B. may not C. needn39。t B. can39。 may not C. may。t( ) 2 Shall I get one more cake for you, Dad?Thanks, but you___, I39。t work out this problem, so itt B. can C. mustn39。t have to D. don39。t D. may not4( ) 1 His arm is all right. He___ go and see the doctor.A. has not to B. don39。t C. does D. doesn39。t5( ) 1 He had better stay here, ___ he?A. didn39。t( ) 2 You39。d better ___ your hair ___ once a month.A. had。 cutted( ) 4 You___ ask that man over there. Maybe he knows the way. A. had better not to B. had not better C. had better D. had better not6( ) 1 Shall we go and visit the History Museum next Sunday?A. Here you are B. Sorry, I can39。t. You____read it only here.A. Must。 must參考答案：1. 15 A D A B B2. 15 C D B C A3. 13 C A A4. 13 D B C5. 14 C B C C6. 13 B A B16
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