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)詞冃疋式否定式疑問(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)

2、表示情態(tài)動(dòng)詞的推測(cè)語(yǔ)氣：表肯定： must >should>could / may> might表否定：can't>may 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

3、walked here; it was so n earmay have done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 n'tuse itshould /ought to have done should n't/ought n'thave 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

4、eed not have done做了本不必要做的事You n eed n'thave come so early.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 surego to the con cert in steadA. must B. would C. should D. might2. Petercome with us tonight, but he isn' t very sure.A. mustB. may C. can D. will3. Hurry

5、up, our teacher for us at the school gateA. must be wait ing B. must 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 n't an swer the doorbell, shebe asleepA. can B. might C. must

6、have D. should6. Naturally, after I told her what to do, my daughtergo and do the opposite!A. may B. can C. must D. should7. - Is there a flight to Paris this eve ning?-Therebe. I ' ll phone the airport and find it out.A. must B. would C. might D. can8. -1 ' ve take n some one else ' s g

7、ree n sweater by mistake.-ItHarry ' s. He always wears green.A. has to be B. wi ll beC. mustn ' t D. could be9. Very loud no isesmake people ill, hurt their ears or eve n drive them mad.A. mustB. n eedC. can D. should10. Eve n experie need teachersmake mistakes.A. must B. can C. should D. mi

8、ght11. The temperaturesometimes reach 35 in July.A. must B. shall C. should D. can12. Too much lovesometimes be bad.A. must B. shall C. should D. can13.Sometimes he is very frien dly, but at other times hebehave coldly.A. can B. must C. will D. shall.（二）（否定句式）1. Mr. Libe in Beiji ng because I saw hi

9、m in tow n only a few minu tes agoA. need n'tB. can't C. should n'tD. must n't2. Itbe Li Ming who took my dictionary away. Itbe Zhang Hua who did it.A. can't; mustB. must n't; must C. n eed n'； can D. may not; can3. - Is Joh n coming by train?-He should, but henot. He lik

10、es 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 there was little snow there.A. may not be B. won't be C. could n't beD. must n't be5. Itbe she that told him about it; itbe you, because only you and I know it.A

11、. 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 ahardwork ing man.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

12、 long a time, but hebe tired;he has just beg un to work.A. may not; must B. must; may not C. can ' t; must D. must; can 't8. - Isn ' t that Ann ' s husbaneiove-No, itbe him-1 ' m sure he doesn ' t wear glasses.A. can 't B. must not C. won 't D. may not(三) (疑問(wèn)句式)1. - S

13、ome one is knocking at the door. Who it be?-Itbe Tom. He is still in the school.A. can, can't B. can, must n't C. might, could D. might, may2. it be true that Albert passed the test in geography?A. May B. Should C. Could D. Would3. Mr. Bush is on time for everything. How it be that he was la

14、te for the openingcerem ony?A. canB. shouldC. 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. must C. n eedD. may5. My En glish-Ch in ese dict ionary has disappeared . Whohave take n it ?A. should B. must C. could D. would6.

15、1 can ' t find Dr. Lopez any where in the office buildi ngVherehe have gone ?A. must B. can C. should D. n eed7. See who is there!it be May?A. MayB. Must C. Can D. Will(四) (should表猜測(cè))1. It ' s nearly seven o ' clock . Jack be here at any moment .A . must B. n eedC. should D. can2. - Whe

16、n can I come for the photos? I n eed them tomorrow after noon.-Theybe ready by 12 00.A. can B. should C. might D. n eed3. Therebe any difficulty about pass ing the driv ing test since you have practised a lot inthe driv ing schoolA must n't B sha n't C should n'tD need n't4.It '

17、s said that there are plenty of hotels in that town. Therebe any difficulty for you 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 don©1. Joh n's score on the test is the highest in the class; helast ni ght.A) should studyB) s

18、hould have studiedC) must have studiedD) must have to study2. The room is in a terrible mess; itclea ned.A) can't have bee nB) should n't have bee nC) must n't have bee nD) would n't have bee n3. Nobody knows how people first came to these isla nds. Theyfrom South America onrafts.A)

19、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 have bee nB) must have bee n C) must be D) should be5.She can speak quite flue nt En glish. She.6. Marymy letter, otherwise she would have replied

20、 before now.A) should have receivedB) has receivedC) could n't have receivedD) ought to have received7. Jackyet, otherwise he would have teleph oned meA. mustn ' t have arrived B. shouldn ' t have arrivedC. can ' t have arrived D. needn ' t have arrived8. - “Wheremy umbrella? -”

21、“ Somebodyit away by mistake. ”A) is, must have take n B) is, must take C) have bee n, must take D) is, takes9. Hethe 9:20 train because he did n't leave home till 9:25.A) can reach B) could catch C) may not catch D) could n't have caught10. - The woman biologist stayed in Africa studying wi

22、ld 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 never late for work. Why is he absent today ?-Somethi ngto him.A. must happe nB. should have happe nedC. could have h

23、appe ned D. must have happe ned12. Where is my pen ? Iit .A. might lose B. would have lost C. should have lost D. must have lost13. I did n't see her in the meeti ng-room this morning. She at the meet ing.A. must n't have spoke nB. should n't have spoke nC. n eed n't have spoke nD. c

24、ould n't have spoke n14. We did n't see Tom at the meet ing yesterday. He it.A. must n't have atte ndedB. cannot have atte ndedC. n eed n't have atte ndedD. would have not atte nded15. -What has happe ned to George?-1 don't know. Helost.A. can have got B. may have get C. might ge

25、t 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, Iturned off the alarm clock and gone back to sleep again.A. might have tur nedB. should have tur ned C. can