高中英语语法总结课件 情态动词 新课标 人教.ppt

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1、情态动词情态动词 的用法的用法2021/8/11 星期三11、Could I borrow your book?Yes.Of course you can.2.Would you like to do it for me?Yes.I would.一、情态动词注意事项一、情态动词注意事项2021/8/11 星期三2(1)对现在或将来情况推测：对现在或将来情况推测：must+动词原形。动词原形。must只能用于肯定。否定和疑问分别用只能用于肯定。否定和疑问分别用cant和和can。He must tell a lie.Can he tell a lie?He cant tell a lie.*Mu

2、st-should/ought to may-might/could+do可能性依次减弱可能性依次减弱2、推测语气、推测语气2021/8/11 星期三3(2)对过去情况推测：对过去情况推测：must(may,might)+完成时。完成时。You must have met him before.mustmaymight可能性依次减弱可能性依次减弱must只能用于肯定句，译成只能用于肯定句，译成“一定一定”。否。否定和疑问分别用定和疑问分别用cant/couldnt和和can/could。Could/Can it have happened last night?It couldnt/cant

3、have happened last night.2021/8/11 星期三4He must be reading,isnt he?You must do it yourself,dont you?He must have gone over the article,hasnt he?It must have rained last night,didnt it?3、表猜测语气的反意疑问句的构成、表猜测语气的反意疑问句的构成2021/8/11 星期三5 would need used to do dare mustnt dont have to=needntmay/might do/have

4、done不妨不妨;还是还是为好为好4、be able to must can have to2021/8/11 星期三61）用于第一人称表将来。）用于第一人称表将来。I shall go to work after I have finished school.2）用于一、三人称疑问句、表征求对）用于一、三人称疑问句、表征求对方意见或向对方请求。方意见或向对方请求。Shall he come in?Come in,please.3）用于二、三人称，表示保证、承诺、）用于二、三人称，表示保证、承诺、威胁、警告。威胁、警告。You shall be punished if you insist o

5、n doing it this way.5、Shall2021/8/11 星期三71）预测、可能。）预测、可能。They should be here by now.2）说话人的感情。如惊奇、愤怒、）说话人的感情。如惊奇、愤怒、失望等、失望等、“竟然竟然”You cant imagine that well-behaved gentleman should be so rude to a lady.6、should2021/8/11 星期三81）对过去情况推测。）对过去情况推测。must/may/might have donecant/couldnt/may not/might not hav

6、e donecan/could have done?7、情态动词、情态动词+have done2021/8/11 星期三92）译成）译成“本本”could/should/need have done.You should have come here five minutes earlier.3）虚拟语气（与过去事实相反的主句）虚拟语气（与过去事实相反的主句）If you had followed my advice,you wouldnt have been defeated.2021/8/11 星期三10情态动词典型例题专练2021/8/11 星期三111.-There were alre

7、ady five people in the car but they managed to take me as well.-It _a comfortable journey.()A.cant be B.B.shouldnt beC.mustnt have been D.couldnt have beenD2021/8/11 星期三122.Johnny,you _play with the knife,you _hurt yourself.()A.wont;cant B.mustnt;mayC.shouldnt;must D.cant;wouldntB2021/8/11 星期三133.Th

8、e fire spread through the hotel very quickly but everyone _get out.()A.had to B.B.wouldC.could D.was able toD2021/8/11 星期三144.-When can I come for the photos?I need them tomorrow afternoon.-They _be ready by 12:00.()A.can B.shouldC.might D.need B 2021/8/11 星期三155.With so much work on hand,you _to se

9、e the game last night.()A.mustnt go B.B shouldnt goC.C.could have goneD.shouldnt have goneD2021/8/11 星期三166.They are disappointed at the English party.They say that it _better organized.()A.had been B.had to beC.must have been D.could have beenD2021/8/11 星期三177.She must have forgotten about the clas

10、s _?()A.doesnt she B.B.mustnt sheC.hasnt she D.won t sheC2021/8/11 星期三189.Jenny _with him at that time,for I was having dinner with her in my home.()A.cant have been B.mustnt have beenC.must be D.may be A2021/8/11 星期三1910.Toms father promised,“You _have a new computer if you pass the coming examinat

11、ion,”()A.can B.B.should C.C.shall D.D.mayC2021/8/11 星期三2011.-Did you walked home by yourself last night?-Yes,I did.But I think I _.()A.neednt B.shouldntC.may not have D.neednt haveD2021/8/11 星期三2112.-Would you change this bucket for another?It _ hold water.-OK.Im really sorry.A.wont B.cant C.didntD.doesntA2021/8/11 星期三2214.-I though I _something burning.()-Really?A.smelled B.B.was smellingC.could smell D.might smellC2021/8/11 星期三2315.She _out alone at night.()A.dare not to go B.dares not goC.doesnt dare to go D.doesnt dares goC2021/8/11 星期三242021/8/11 星期三252021/8/11 星期三26