bythetime用法Word文档格式.docx
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bythetime用法Word文档格式.docx
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•1.(2005天津卷)BythetimeJanegetshome,heraunt_____forLondontoattendameeting.
A.willleaveB.leaves
•C.willhaveleftD.left
•2.Bythetimeyouhavefinishedthisbook,yourmeal___cold.(2012四川卷)
•A.getsB.hasgotC.willgetD.isgetting
•3.(2009北京卷)WhenItalkedwithmygrandmaonthephone,shesoundedweak,butbythetimewe_____up,hervoicehadbeenfulloflife.
A.werehangingB.hadhung
•C.hungD.wouldhang
•4.―DidyouseeXiaoLiattheparty?
―No,_____bythetimeIarrived.
A.she’dleftB.she’sleft
•C.shewasleftD.shemustleave
5.BythetimeIsawtheangryexpressiononhisface,I_____whatIhadtoface.
A.knewB.haveknown
•C.wouldknowD.hadknown
6.(2008四川卷)Thetelephone_____,butbythetimeIgotindoors,itstopped.
A.hadrungB.wasringingC.ringsD.hasrung
•7.(2008山东卷)Bythetimeherealizeshe_____intoatrap,it’llbetoolateforhimtodoanythingaboutit.
A.walksB.walkedC.haswalkedD.hadwalked
情态动词用法总结如下表
情态
动词
用法
否定式
疑问式
简答式
1.表示能力(体力,技能)
2.允许或许可(口语中常用)
3.可能性(表猜测,用于否定句或疑问句中)
4.用于肯定句表示理论可能性
cannot/cannot
/can’tdo
Can…do…?
Yes,…can.
No,…can’t.
couldn’tdo
可以(问句中表示请求)
可能,或许(表推测)
祝愿(用于倒装句中)
maynotdo
May…do…?
Yes,…may.
No,…mustn’t/can’t.
mightnotdo
Might…do…?
Yes,…might
No,…mightnot.
必须,应该(表主观要求)
肯定,想必(肯定句中表推测)
mustnot/mustn’tdo
Must…do…?
Yes,…must.
No,…needn’t/don’thave
只好,不得不(客观的必须,有时态和人称的变化)
don’thavetodo
Do…havetodo…?
Yes,…do.
No,…don’t.
oughtto
应当(表示义务责任,口语中多用should)
oughtnotto/oughtn’ttodo
Ought…todo…?
Yes,…ought.
No,…oughtn’t.
shall
用于一三人称征求对方意见
用于二三人称表示许诺、命令、警告、威胁等
shallnot/shan’tdo
Shall…do…?
Yes,…shall.
No,…shan’t.
should
应当,应该(表义务责任)
本该(含有责备意味)
shouldnot/shouldn’tdo
Should…do…?
will
意愿,决心
请求,建议,用在问句中would比较委婉
willnot/won’tdo
Will/Would…do…?
Yes,…will.
No,…won’t.
would
wouldnot/wouldn’tdo
dare
敢(常用于否定句和疑问句中)
darenot/daren’tdo
Dare…do…?
Yes,…dare.
No,…daren’t.
need
需要,必须(常用于否定句和疑问句中)
neednot/needn’tdo
Need…do…?
Yes,…must.No,…needn’t.
usedto
过去常常(现在已不再)
usednot/usedn’t/usen’ttodo
didn’tusetodo
Used…todo…?
Did…usetodo…?
Yes,…used.
No,…use(d)n’t.
Yes,…did.
No,…didn’t.
学法提炼
musthavedone
表示主观上对过去已经发生的行为进行推测,意为“想必,准是,一定做了某事”;
may/mighthavedone
表示对过去已发生行为的推测,意为“很有可能”;
can…havedone
cannothavedone
1)couldhavedone用于对过去可能性的推断,意为“可能”,在肯定句中,指“某事可能是事实或可能会发生”;
用于疑问句或否定句,表示对过去情况的怀疑、否定或惊讶;
2)couldhavedone意为“本来可以;
差点就要”,指“某事可能发生但实际上未发生”常用于虚拟语气,表示惋惜、遗憾等;
mighthavedone
表示“本来可能……,但实际上没有发生的事情”。
另外,还可以表示“本来应该或可以做某事”之意,含有轻微的责备语气。
should/oughtto
havedone
1)用于肯定句时,表示本该做某事,而实际上未做;
用于否定句时,则表示不该做的事反而做了;
2)用于对过去的推断,说话人认为“按理应当、理应如此”,说话人不能肯定,只是试探性地得出结论,语气婉转;
3)对已发生的事表示“惊奇、失望、愤怒”等情绪。
needn’thavedone
表示做了本来不必去做的事。
注意:
didn’tneedtodo表示“没必要做而实际上也没有做某事”
will/wouldhavedone
用于推测过去,意为“想必、可以肯定”,指“说话人确信某事已发生,但并不确知”,并用于二、三人称:
1)如果以现在为时间点,可以用“willhavedone”;
2)如果以过去为时间点,只能用“wouldhavedone”;
3)willhavedone也用于推测将来某个时间前已经完成。
Ifthey_________todothiswork,hemightdoitsomeotherway.
A.wereB.shouldC.willD.can
2.Iwastoldyesterdaythatthecompany_________metoRomenextweekforabusinessconference.
A.shouldhavesentB.weregoingtosendC.shouldbesendingD.shouldsend
3.Let’stakeawalk,________?
A.willweB.don'
tweC.doweD.shallwe
4.Hewasagoodswimmersohe_________swimtotheriverbankwhentheboatsank.
A.couldB.mightC.shouldD.wasableto
5.Iwenttothedoctor'
syesterday,Ihadtowaitforhalfanhourbeforehe________seeme.
A.canB.mayC.mightD.could
6.----_________thisbookbeyours?
----No,it________notbemine.It________behis.
A.Can,must,mayB.May,might,mustC.Can,may,mustD.Must,can,may
7.----"
Wedidn'
tseehimatthelectureyesterday.”
----“He_________it.”
A.mustn'
tattendB.can'
thaveattended
C.wouldhavenotattendedD.neededhaveattended
8.They_________theplane,orperhapstheyhavebeenpreventedfromcomingforsomereason.
A.canhavemissedB.mayhavemissedC.canhavelostD.mayhavelost
9.Sincethegroundiswhite,it_________lastnight.
A.hadsnowedB.musthavesnowed
C.mustbesnowingD.musthavebeensnowing
10.Youmustbefifty,________?
tyouB.needn'
tyouC.aren'
tyouD.mayn'
tyou
11.Youmusthaveseenhimoffyesterday,_________?
A.haven'
tyouB.didn'
tyouC.mustn'
tyouD.needn'
12.----Thatmustbeamistake.
----No.it_________be.
A.can'
tB.isn'
tabletoC.canD.wasableto
13.Hehadknownthematterbeforeyoutoldhim,soyou_________havetoldittohim.
tB.can'
tC.needn'
tD.shouldn'
t
14.How________so?
A.dareyoutosayB.dareyousayC.doyoudaresayD.daretosay
15.Youaretheirteacher.You_________careofthem.
A.shouldtotakeB.mighttotakeC.oughttotakeD.needtotake
16.Sheisstudyingmedicalsciencenowbutshe_________alawyer.
A.usedtobeB.wouldbeC.were
Youreturnthebooknow.Youcankeepittillnextweekifyoulike.
tB.mustn'
tC.needn'
tD.maynot
2.IwishItothemoononeday.
A.canflyB.anabletoflyC.couldflyD.wasabletofly
3.IfmylawyerherelastSaturday,hemefromgoing.
A.hadbeen;
wouldhavepreventedB.hadbeen;
wouldprevent
C.were;
wouldpreventD.were;
wouldhaveprevented
4.Ifitforthesnow,wethemountainyesterday.
A.werenot;
couldhaveclimbedB.werenot;
couldclimb
C.hadnotbeen;
couldhaveclimbedD.hadnotbeen;
5.Withoutelectricityhumanlifequitedifficulttoday.
A.isB.willbeC.wouldhavebeenD.wouldbe
6.Jennyhavekeptherword.Iwonderwhyshechangedhermind.
A.mustB.shouldC.needD.would
7.Welastnight,butwewenttotheconcertinstead.
A.musthavestudiedB.mightstudy
C.shouldhavestudiedD.wouldstudy
8.—CouldIborrowyourdictionary?
—Yes,ofcourseyou.
A.mightB.willC.canD.should
9.—Ifhe,hethatfood.
—Luckilyhewassenttothehospitalimmediately.
A.waswarned;
wouldnottakeB.hadbeenwarned;
wouldnothavetaken
C.wouldbewarned;
hadnottakenD.wouldhavebeenwarned;
hadnottaken
10.ItoldSallyhowtogethere,butinfact,Iher,forshehadbeenhereashorttimebefore.
A.needn'
ttellB.didn'
tneedtotell
C.needn'
thavetoldD.didn'
tneedtohavetold
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