高三语法复习专题-情态动词的用法.ppt

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1、语法专题,情态动词的用法,1.考点点击:情态动词主要用来表示说话人的看法、态度等,它是每年高考必考内容.2.命题热点:情态动词的基本用法,表示态度、推测的用法以及在虚拟语气中的运用.3.考查形式:主要体现在听力理解、单项填空和完形填空中.,一、情态动词命题特点:,(1)-Could I borrow your book?-Yes.Of course you _.(2)-Would you like to do it for me?-Yes.I _.(3)-Must he get ready now?-No,he_.,二、情态动词注意事项:1.特殊回答,can,would like to,nee

2、dnt/doesnt have to,(1)对现在或将来情况推测：must+动词原形,只能用于肯定;否定和疑问分别用cant和can。-Isnt that Anns husband over there?-No,it _ be him-Im sure he doesnt wear glasses.cant B.must not C.wont D.may not*must-should/ought to may-might/could+do 可能性依次减弱,2、推测语气,A,See whos there!_ it be Mary?A.May B.MustC.Can D.will,C,(2)对过去

3、情况推测：must(may,might)+完成时只能用于肯定句。cant/couldnt和can/could+完成时分别用于否定和疑问句。-There were already five people in the car but they managed to take me as well.-It _a comfortable journey.()A.cant be B.shouldnt beC.mustnt have been D.couldnt have been,D,He must be reading,_ he?You must do it yourself,_ you?He mu

4、st have gone over the article,_he?It must have rained last night,_ it?,3、表猜测语气的反意疑问句的构成,isnt,dont,hasnt,didnt,would need used to do dare mustnt dont have to=needntmay/might as well do sth.不妨;还是为好改错:Luckily,they could escape from the burning house with the firemens help.,4.辩析 be able to must can have

5、 to,were able to,She _out alone at night.()A.dare not to go B.dares not go C.doesnt dare to go D.doesnt dares go,C,1)用于第一人称表将来。2)用于一,三人称疑问句,表征求对方意见或向对方请求。3用于二、三人称，表示保证、承诺、威胁、警告。You shall be punished if you go on doing it this way.(表示警告)I shall go to work after I have finished school.(表示将来)-Shall he

6、come in?-Come in,please.(表示征求对方意见),5、shall,Toms father promised,“You _have a new computer if you pass the coming examination,”()A.can B.should C.shall D.may,C,1）表示“预测、可能”2）表示说话人的感情(惊奇、愤怒、失望等)“竟然”翻译:They should be here by now.You cant imagine that the well-educated gentleman should be so rude to a la

7、dy.,6、should,-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,You ought to have helped him with his English,_you?A.wont you B.ought not youC.shouldnt youD.wouldnt you,C,1）对过去情况推测。肯定:must/may/might have done 否定:cant/couldnt/may n

8、ot/might not have done 疑问:can/could have done?,7、情态动词+have done,Jenny _with him at that time,for I was having dinner with her in my home.()A.cant have been B.mustnt have been C.must be D.may be,A,2）译成“本”could/might/should/would/need have done.译:你本该早五分钟来.You should have come here five minutes earlier

9、.3）虚拟语气（与过去事实相反的主句）译:If you had followed my advice,you wouldnt have been defeated.如果你当时接受了我的忠告,你是不会失败的.,They are disappointed at the English party.They say that it _better organized.()A.had been B.had to be C.must have been D.could have been,D,-Did you walked home by yourself last night?-Yes,I did.B

10、ut I think I _.()neednt B.shouldntC.may not have D.neednt have,D,情态动词典型 例题专练,一、考查情态动词的基本用法,1.“The interest _be divided into five parts,according to the agreement made by both sides.”declared the judge.A.may B.should C.must D.shall2.The room is so dirty._ we clean it?Of course.A.Will B.Shall C.Would

11、D.Do,D,B,3.Hes strange-he _ sit for hours without saying anything.A.shall B.will C.can D.must,B,4.John,look at the time._ you play the piano at such a late hour？A.Must B.Can C.May D.Need,A,5.Tom,you _leave all your clothes on the floor like this！wouldnt B.mustnt C.neednt D.may not,B,6.You cant imagi

12、ne that a well-behaved gentleman _ be so rude to a lady.might B.need C.should D.would,C,7._it rain tomorrow,the meeting would be put off.Should B.Would C.Could D.Must,A,8.A left-luggage office is a place where bags _ be left for a short time,especially at a railway station.A.should B.can C.must D.wi

13、ll,B,二、考查情态动词的推测用法,1.Helen _go on the trip with us but she isnt quite sure yet.A.shall B.must C.may D.can2.Ive taken someone elses green sweater by mistake.It _ Harrys.He always wears green.has to be B.will be C.mustnt be D.could be,C,D,3.That,I think,_ be all that I want to say.A.can B.could C.will

14、 D.ought to,C,4.You might just as well tell the manufacturer that male customers _ not like the design of the furniture.A.must B.shall C.may D.need,C,5.-Isnt that Anns husband over there?-No,it _ be him-Im sure he doesnt wear glasses.cant B.must not C.wont D.may not,A,6.My sister met him at the Gran

15、d Theatre yesterday afternoon,so he _ your lecture.couldnt have attended B.neednt have attendedC.mustnt have attended D.shouldnt have attended,A,三、考查情态动词的虚拟用法,1.He paid for a seat,when he _ have entered free.A.could B.would C.must D.need2.You should not have swum in that river.You _ have been eaten by fish.A.must B.may C.will D.might,A,D,Bye-bye,