情態(tài)動(dòng)詞表推測(cè)

1、表推測(cè)的情態(tài)動(dòng)詞1.表推測(cè)的情態(tài)動(dòng)詞有：must, should, can, could, may以及 might。情態(tài)動(dòng)詞肯疋式否定式疑問(wèn)式must必須，必然，一定should按道理應(yīng)該，理應(yīng)can可能（理論上）不可能有可能嗎could比can語(yǔ)氣弱不可能比can弱may也許（現(xiàn)實(shí)上）可能不might比may弱比may not語(yǔ)氣弱其中must, should只能用于肯定句式，can用于肯定句式時(shí)表示理論上的可能性或偶爾的可能；而should則表示主觀推測(cè)，“估計(jì)”“按道理應(yīng)該”may, might不能用于疑問(wèn)式。疑問(wèn)式主要使用情態(tài)動(dòng)詞can, could我們可以用數(shù)學(xué)里的“大于”符號(hào)來(lái)表示

2、情態(tài)動(dòng)詞的推測(cè)語(yǔ)氣：表肯定： must shouldcould / may might表否定：cantmay not might not2.情態(tài)動(dòng)詞+ have done表推測(cè)一覽表情態(tài)動(dòng)詞 + have done用法例句must have done一定已經(jīng)做了They must have fini shed their workcan have done不可能已經(jīng)做了They can have fini shed their workcould have done可能已經(jīng)做了本可以做但未做We could have walked here; it was so n earmay have d

3、one也許已經(jīng)做了They may have fini shed their work.might have done也許已經(jīng)做了或本來(lái)可以做但未做You might have used my computer because I did ntuse itshould /ought to have done should nt/ought nthave done本來(lái)該做但未做 本不該做但已經(jīng)做了You should have fini shed your work yesterday.n eed not have done做了本不必要做的事You n eed nthave come so ea

4、rly.3.情態(tài)動(dòng)詞表推測(cè)分類練習(xí)（一）（肯定句式）1. -Are you coming to Tom s party ?-I m not sure .Igo to the con cert in steadA. must B. would C. should D. mightt very sure.2. P etercome with us toni ght, but he isnA. must B. may C. can D. will3. Hurry up, our teacher for us at the school gateA. must be wait ing B. must

5、wait C. might wait D. can be wait ing4. You have done so much work, yourather tired.A. must be feeli ng B. could be felt C. may be feeli ng D. would feel5. She does nt an swer the doorbell, shebe aslee pA. can B. might C. must have D. shouldgo and do the opp osite!6. Naturally, after I told her what

6、 to do, my daughterA. may B. can C. must D. should7. - Is there a flight to P aris this eve ning?-Therebe. I ll phone the air port and find it out.A. must B. would C. might D. can8. -I ve take n some one else s gree n sweater by mistake.-ItHarry s. He always wears green.A. has to be B. wi ll beC. mu

7、stn t D. could be9. Very loud no isesmake people ill, hurt their ears or eve n drive them mad.A. must B. n eed C. can D. should10. Eve n exp erie need teachersmake mistakes.A. must B. can C. should D. might11. The temperaturesometimes reach 35 in July.A. must B. shall C. should D. can12. Too much lo

8、vesometimes be bad.A. must B. shall C. should D. canbehave coldly.13.Sometimes he is very frie ndly, but at other times heA. can B. must C. will D. shall.（二）（否定句式）1. Mr. Libe in Beiji ng because I saw him in tow n only a few minu tes agoA. need ntB. cant C. should ntD. must nt2. Itbe Li Ming who too

9、k my dictionary away. Itbe Zhang Hua who did it.A. cant; mustB. must nt; must C. n eed n； can D. may not; can3. - Is Joh n coming by train?-He should, but henot. He likes driv ing his car.A. must B. can C. n eed D. may4. -1 heard they went skat ing in the mountains last win ter.- Ittrue because ther

10、e was little snow there.A. may not be B. wont be C. could nt beD. must nt be5. Itbe she that told him about it; itbe you, because only you and I know it.A. mustn t; must B. couldn t ; must C. mustn t might D. couldn t; might6. A hardworking man become a great scientist, but a great scientist be ahar

11、dwork ing man.be tired;A. can t; can B. may not; can C. can must D. may not; must7. Yoube tired; you have bee n work ing for so long a time, but hehe has just beg un to work.A. may not; must B. must; may not C. can t; must D. must; can toe8. - Isn t that Ann s husbanereve-No, itbe him-1 m sure he do

12、esn t wear glasses.A. can t B. must not C. won t D. may not(三) (疑問(wèn)句式)1. - Some one is knocking at the door. Who it be?-It be Tom. He is still in the school.A. can, cant B. can, must nt C. might, could D. might, may2. it be true that Albert p assed the test in geogra phy?A. May B. Should3. Mr. Bush i

13、s on time cerem ony?A. can B. shouldC. Could D. Wouldfor everything. How it be that he was late for the openingC. may D. must4. Howyou say that you really un dersta nd the whole story if you have covered onlypart of the article?A. can B. mustC. n eedD. may5. My En glish-Ch in ese dict ionary has dis

14、a pp eared . WhoA. should B. must C. could D. would6.1 can t find Dr. Lopez any where in the office buildi ngVhereA. must B. can C. should D. n eed7. See who is there!A. MayB. Must(四) (should表猜測(cè))1. It s nearly seven oA . mustB. n eed2. - Whe n can I come for the p hotos? I n eed them tomorrow after

15、noon.-Theybe ready by 12 00.A. can B. should C. might D. n eed3. Therebe any difficulty about p ass ing the driv ing test since you have p ractised a lot inthe driv ing schoolA must nt B sha ntC should nt D need nt4.It s said that there are plenty of hotels in that town. Therebe any difficulty for y

16、ou tofind somewhere to stay.A. wouldn t B. mustn t C. shouldn t D. needn t(五) (表推測(cè)的情態(tài)動(dòng)詞+have done1. Joh ns score on the test is the highest in the class; helast ni ght.A) should studyB) should have studiedC) must have studiedD) must have to study2. The room is in a terrible mess; itclea ned.A) cant

17、have bee nB) should nt have bee nC) must nt have bee nD) would nt have bee n3. Nobody knows how people first came to these isla nds. They rafts.A) must have sailed B) can sail C) might have sailed D) should have sailed4. Mary was not in her bedroom yesterday after noon. Shein her classroom.A) should

18、 have bee n B) must have bee n C) must be D) should be 5.She can sp eak quite flue nt En glish. She.A) must be in the U.S.A. for some time B) must have bee n in the U.S.A. for some timeC. shouldit be May?C. Can D. Willclock Jack be here at any moment . C. should D. canhave take n it ?he have gone ?f

19、rom South America onC) should have bee n in the U.S.A. for some time D) may be in the U.S.A. for some time6. Marymy letter, otherwise she would have rep lied before now.A) should have receivedB) has receivedC) could nt have receivedD) ought to have received7. Jackyet, otherwise he would have tele ph

20、oned meA. mustn t have arrived B. shouldn t have arrivedC. can t have arrived D. needn t have arrived8. - “Wheremy umbrella? -” “ Somebodyit away by mistake.A) is, must have take nB) is, must take C) have bee n, must take D) is, takes9. Hethe 9:20 train because he did nt leave home till 9:25.A) can

21、reach B) could catch C) may not catch D) could nt have caught10. - The woman biologist stayed in Africa studying wild animals for 13 years before she returned.-Oh, dear! Shea lot of difficulties!A. may go throughB. might go throughC. ought to have gone through D. must have gone through11. -Tom is n

22、ever late for work. Why is he abse nt today ?-Somethi ngto him.B. should have happened D. must have happened it .A. must happenC. could have happened12. Where is my pen ? IA. might lose B. would have lost C. should have lost D. must have lost13. I did nt see her in the meeti ng-room this morning. Sh

23、e at the meet ing.A. must nt have sp oke nB. should nt have sp oke nC. n eed nt have sp oke nD. could nt have sp oke n14. We did nt see Tom at the meet ing yesterday. He it.A. must nt have atte ndedB. cannot have atte ndedC. n eed nt have atte ndedD. would have not atte nded15. -What has happened to

24、 George?-1 dont know. Helost.A. can have got B. may have get C. might get D. could get16. The streets are all we； It rained heavily last night.A. should B. should have C. must D. must have17. -There were already five people in the car but they man aged to take me as well.-Ita comfortable journ ey.A. can t be B. shouldn t bC. mustn t have beeiD. couldn t have been18. Sorry I m late, Iturne