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虛擬語氣英語中有三種不同的語氣:陳述語氣,祈使語氣和虛擬語氣。虛擬語氣:虛擬語氣是由句中謂語動詞的特殊形式表現出來的,表示說話人所說的不是事實,而是一種假設、愿望、懷疑或推測。一.虛擬語氣表示假設,用在if非真實條件句中從句主句與現在事實相反If主語+did/were主語+should/would/could/might+do與過去事實相反If主語+haddone主語+should/would/could/might+havedone1.did與將來事實相反If主語+2.shoulddo主語+should/would/could/might+do3.weretodo例:IfIwereyou,Iwouldaccepthisadvice.Ifyouhadstudiedhardbefore,youwouldhavepassedtheexam.Ifitrained/shouldrain/weretoraintomorrow,Iwouldstayathome.注意:1.錯綜時間虛擬語氣當從句主句所表示的行為所發(fā)生的時間不一致時,動詞的形式要根據它所表示的時間作出相應的調整。Ifyou____________(follow)myadvicejustnow,you_________(be)betternow.Ifyou__________(study)hardbefore,you_______(be)acollegestudentnow.2.省略if的虛擬條件句中,were,had(完成時態(tài)標志),should放在句首,(用于倒裝結構),if必須省略。(只倒裝從句,主句不改變)1.WereIyou(=IfIwereyou),Iwouldnotdoit.1.HadInotseenhimthen(Hadn’tIseenhimthen),Iwouldn'thavebeenveryhappy.3、含蓄虛擬語氣有時為了表達的需要,在虛擬語氣中,并不總是出現if引導的條件句,而通過其它手段來代替條件句。常用的有介詞with,without,butfor(倘沒有,要不是);連詞or,but;副詞otherwise等。.Iwasillthatday.Otherwise,Iwouldhavetakenpartinthesportsmeeting.=IfIhadn‘tbeenillthatday,Iwouldhavetakenpartinthesportsmeeting.Without/Butforyourhelp,wecouldn’thavefinishedtheworkaheadoftime.=Ifithadnotbeenforyourhelp,…二.虛擬語氣表示一種不可能實現的愿望,常用wish+賓語從句。其謂語動詞構成形式為:從句動作與wish同時did/were從句動作先于wishhaddone(或用couldhavedone)從句動作在wish之后could/would/might+doIwishIwereabirdandIcouldflyinthesky.IwishIhadmetthatfilmstaryesterday.此外,Ifonly+句子=HowIwish+that從句(要是……就好了)IfonlyIwereaflyingbird!=HowIwishIwereaflyingbird!我要是一只飛鳥該多好??!三.虛擬語氣用于表示懷疑或推測。在某些表示“命令、建議、要求”等動詞,名詞以及形容詞存在的主語從句,賓語從句,表語從句,同位語從句的虛擬語氣結構為:sb(should)+do此類動詞記憶口訣:一堅持(insist)二命令(order/command)三要求(demand/require/request)四建議(advise/suggest/propose/recommend)例:1.Isuggestedthathe(should)gothereatonce.(賓語從句)2.Myadviceisthatwe(should)tellhimthenews.(表語從句)3.Imadeasuggestionthathe(should)tellhimthetruth.(同位語從句)4.Itissuggestedthathe(should)gotoschoolearly.(主語從句)注意:suggest:表示“表明,暗示”的意思時,從句用陳述語氣;表示“建議”時,從句用虛擬語氣Herpalefacesuggestedthatshe_____(be)illandItissuggestedthatshe________________(send)tohospitalimmediately.insist:表示“堅持說”的意思時,從句用陳述語氣;表示“堅持主張,堅持要求”時,從句用虛擬語氣Heinsistedthathe____________(notsteal)themoneyandinsistedthathe____________(set)free.四、虛擬語氣的其他用法1.asif/asthough(好像)+從句從句動作與主句動作同時did/were從句動作在主句動作之前haddone從句動作在主句動作之后would/could/might+doHelooksasifhewereanartist.Hetalkedabouttheaccidentasifhehadseenit.2.Itis(high/about)time(that)sbdid/sbshould(不可省略)+do該是某人做某事的時候了。Itishightimethatyougotup/shouldgetup.3.在wouldrather+賓語從句中從句動作與主句動作同時或之后did/were從句動作在主句動作之前haddone例:Iwouldrathertheydidn’thearthenews.IwouldratherIhadnottoldhimhebadnews.Ifonlyhe____quietlyasthedoctorinstructed,hewouldnotsuffersomuchnow.A.liesB.layC.hadlainD.shouldlie
2.HowIwisheveryfamily____alargehousewithabeautifulgarden.
A.hasB.hadC.willhaveD.hadhad
3.Youdidnotletmedrive.Ifwe____inturn,you____sotired
A.drove;didn’tget
B.drove;wouldn’tgetC.weredriving;wouldn’tgetD.haddriven;wouldn’thavegot
4._____itraintomorrow,wewouldhavetoputoffthevisittotheYangpuBridge
A.WereB.ShouldC.WouldD.Will5.IwishI____herethen
A.was
B.hadbeen
C.were
D.wouldbe6.Whenapencilispartlyinaglassofwater,itlooksasifit____A.breaksB.hasbrokenC.werebrokenD.hadbeenbroken7.Iinsisted_____toseeadoctor,butheinsistednothing___wrongwithhim
A.onhimtogo;shouldbeB.hewent;beC.hego;wasD.heshouldto;is8.---Yourauntinvitesyoutothemoviestoday---Iwouldrathershe____metomorrowthantoday
A.tellsB.toldC.wouldtellD.hadtold9.---Wouldyouhavecalledherup?---Yes,butI____busydoingmyhomework
A.wasB.wereC.hadbeenD.wouldbe10.Iwasillthatday,otherwiseI____thesportsmeet
A.wouldhavetakenpartinB.tookpartinC.hadtakenpartinD.wouldtakepartin
11.___theclouds,youwouldfindtheairplaneintheskyeasily
A.Haditnotbeenfor
B.IfitwerenotC.IfithadnotbeenforD.Wereitnotfor
12.Ifmylawyer____herelastSunday,he____mefromgoing
A.hadbeen,wouldhaveprevented
B.hadbeen,wouldprevent
C.were,prevent
D.were,wouldhaveprevented
13.____hard,hewouldhavepassedtheexam
A.Ifheweretowork
B.Hadheworked
C.ShouldheworkD.Werehetowork
14.____today,hewouldgettherebyFriday
A.WerehetoleaveB.Ifhehadleft
C.Didhetoleave
D.Hadheleft
15.Hadyoulistenedtothedoctor,you____allrightnow
A.areB.were
C.wouldbe
D.wouldhavebeen
16.Ididnotseeyoursisteratthemeeting.Ifshe____,shewouldhavemetmybrother
A.hascome
B.didcome
C.come
D.hadcome
17.He____busyyesterday,orhe___youwithyourexperiment.
A.was,hadhelped
B.was,wouldhavehelped
C.hadbeen,wouldhavehelped
D.were,wouldhavehelped
18.Ifit____forthesnow,we____themountainyesterday
A.werenot,couldhaveclimb
B.werenot,couldclimbC.hadnotbeen,couldhaveclimbed
D.hadn’tbeen,couldclimb
19.Withoutelectricity,humanlife____quitedifficulttoday
A.is
B.willbeC.wouldhavebeen
D.wouldbe
20.---Iamgoingtotellherthenews---Iwouldassoonasyou_____heraboutit
A.didn’ttell
B.don’ttellC.hadn’ttell
D.won’ttell
21.Mike’sfather,aswellashismother,insistedhe____home
A.stayed
B.couldstay
C.hasstayed
D.stay
22.Itwasrequestedthattheplay____again
A.shouldputonB.wouldputon
C.beputon
D.puton
23.Sheinsistedthatadoctor_____immediately
A.hadsentfor
B.send
C.besentfor
D.wassent
24.---Didyouscoldhimforhiscarelessness----Yes,but____it
A.I’drathernotdo
B.I’drathernothavedone
C.Ishould’tdo
D.I’dbetternotdo
25.IfonlyI___mycarA.hadn’tlost
B.wouldn’tlose
C.didn’tlose
D.haven’tlost
26.Butforwater,it____impossibletoliveintheearth
A.is
B.would
beC.were
D.wouldn’tbe
27.Iwouldratheryou____anythingaboutitforthetimebeing
A.do
B.didn’tdoC.don’t
D.didn’t
28.Thekind-heartedcoupletreattheorphanverywellasthoughhe____theirownson
A.is
B.were
C.hadbeen
D.shouldbe
29.Howtheoldpeoplewishthatthey____youngoncemore
A.were
B.couldbecome
C.hadbeen
D.shouldbe
30.Itishightimethatwe____ameetingtodiscussthisproblem
A.hold
B.held
C.haveheld
D.hadheld
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