最新高中英语选修六虚拟语气课件课件PPT 46页

高中英语选修六虚拟语气课件\n如果我有一千万，我就能买一栋房子我有一千万吗？没有。所以我仍然没有房子。如果我有翅膀，我就能飞。我有翅膀吗？没有。所以我也没办法飞。如果把整个太平洋的水倒出，也浇不息我对你爱情的火整个太平洋的水全部倒得出吗？不行。所以我并不爱你。\n虚拟语气(theSubjunctiveMood)表示说话人所说的不是事实，而是一种假设、愿望或推测。\n\n\n\n虚拟语气theSubjunctiveMood时间if条件从句主句过去现在将来haddonewould/should/could/mighthavedonedid/were1.shoulddo2.weretodo3.didwould/should/could/mightdo\n1.如果我有一百万美元，我会买下这架飞机。IfIhadonemilliondollars,Iwouldbuytheplane.2.要是你离开的早一点,你就会赶上公共汽车了.Ifyouhadleftearlier,youwouldhavecaughtthebus.3.如果他明天来的话,我会告诉他这件事。(事实是明天他不会来）Ifhecame/weretocome/shouldcomeheretomorrow,Iwouldtellhimaboutit.\n条件状语的倒装：如果从句中有were,had,should时,可以倒装成：Were/Had/Should+主+其他（if省略）WereIyou,IwouldgiveAIDSpatientsahug.Hadhebeenthereyesterday,hewouldhaveseenthefilm.Shoulditsnowtomorrow,wewouldn’tgoout.IfIwereyou,IwouldgiveAIDSpatientsahug.Ifhehadbeenthereyesterday,hewouldhaveseenthefilm.Ifitshouldsnowtomorrow,wewouldn’tgoout.\n1.Therice______ifyouhadbeenmorecareful.A.wouldnotbeburningB.wouldnotburnC.wouldnothaveburntD.wouldnotburnt2.Ifmylawyer____herelastSaturday,he______mefromgoing.A.hadbeen;wouldhavepreventedB.hadbeen;wouldpreventC.were;wouldpreventD.were;wouldhaveprevented3.Ididn’tseeyoursisteratthemeeting.Ifshe______shewouldhavemetmybrother.A.hascomeB.didcomeC.cameD.hadcome4.______forthefreetickets,Iwouldnothavegonetothefilmssooften.A.IfitisnotB.WereitnotC.HaditnotbeenD.Iftheyhavenot5.Youdidn’tletmedrive.Ifwe______inturn,you______sotired.A.drove;didn’tgetB.drove;wouldn’tgetC.weredriving;wouldn’tgetD.haddriven;wouldn’thavegot\n6.Ifshehadworkedharder,she______.A.wouldsucceedB.hadsucceededC.shouldsucceedD.wouldhavesucceed7.—Ifhe______,he______thatfood.—Luckilyhewassenttothehospitalimmediately.A.waswarned;wouldnottakeB.hadbeenwarned;wouldnothavetakenC.wouldbewarned;hadnottakenD.wouldhavebeenwarned;hadnottaken8.Ifit______tomorrow,theywouldnotgotherebybike.A.willrainB.rainsC.wouldrainD.shouldrain9.______itraintomorrow,wewouldhavetoputoffthevisittotheYangpuBridge.A.WereB.ShouldC.WouldD.Will10.IfI______you,Iwouldnotdoit.A.amB.wereC.shallbeD.being\nIproposethatwe(should)setadeadlineforhandingintheplans.Isuggestthatwe(should)setoffatonce.Iinsistedthatwe(should)decidewhattodowithhim.虚拟语气形式：(should)+动词原形注意:当suggest作“暗示、表明”解时;insist表示“坚持说、坚持认为”解时不用虚拟！1)HisaccentsuggestshecomesfromHunan.2)Heinsistedthathedidn’tstealthemoneyandthattheteacher(should)apologizetohim.1.动词+宾语从句一个坚持;两个：insist命令：order,command;三个建议：suggest,propose,advise;四个要求：desire,demand,ask,require\n4.order等+be+表语从句5.order等+同位语从句上述结构中常用的名词有：suggestion,order,proposal,plan,idea,command,request等。Itisbetterthathe(should)setoffatonce.Itisimportantthateverybody(should)betoldallthefacts.2.Itis(was)+上述动词的过去分词+that主语从句3.Itis(was)+important/necessary/better/strange/surprising/natural/possible/apity/nowonder+that主语从句Itisdemandedthathe(should)leaveatonce.Itisrequestedthatshe(should)giveaperformanceattheparty.Oursuggestionisthatyou(should)befirsttogo.Hisonlyrequestisthatyou(should)givehimmoretime.Doyouknowtheorderthatyou(should)keepwatch?\n1.Iinsistthatadoctor______immediately.A.hasbeensentforB.sendsforC.willbesentforD.besentfor2.Itissuggestedthatthejob______doneinanotherway.A.wasB.wastobeC.beD.mustbe3.Hehadanideathatwe______bybike.A.shallgoB.goC.wentD.wouldgo4.Mysuggestionisthatthemeeting______offtilltomorrow.A.toputB.beputC.shouldputD.beputting\n5.Theyoungmaninsistedthathe_____nothingwrongand_____free.A.did;setB.haddone;shouldbesetC.do;besetD.does;wouldbeset6.Itisnecessarythatyou______presentatthediscussion.A.willbeB.areC.shouldbeD.wouldbe7.Thebossgaveordersthatthework______atonce.A.willbestartedB.mustbestartedC.bestartedD.shouldstart8.Theguardthereinsistedthateverybody______therules.A.obeysB.obeyC.willobeyD.wouldobey\n这几个词（词组）表虚拟时，其后所用的虚拟形式与条件从句基本相同，即比陈述语气中的时态后退一个时态。时间谓语动词虚拟语气wish/asif/asthough/ifonly现在动词过去式（be多用were）过去had+过去分词将来would+动词原形/wouldrather动词过去式（be多用were）wish,asif以及ifonly的虚拟形式：退一步,海阔天空\nwishdid(were)(现在)haddone/couldhavedone(表示对过去事情遗憾)(过去)woulddo(将来)IwishIknewseveralforeignlanguages.HowIwishIhadtakenyouradivcethen.Iwishyouwouldvisitourschoolagain.IwishIcouldhavesleptlongereverymorning,butIhadtogetupandcometoclass.\nwouldrather(sooner/soon)did(were)(现在和将来）haddone（过去）I’dratheryouhadnotdonethat.Don’tcometomorrow.Iwouldratheryoucameagainthedayaftertomorrow.He’dratherhischildrendidnotmakesomuchnoise.\nHope,think,want,expect,plan,intend,suppose,mean...表示过去不曾实现的愿望.haddonehopedtohavedone.Hefailedtheexamagainthoughweallhadexpectedhimpassit.IhadwantedtowritetoyouearlierbutIwastoobusythen.(Iwantedtohavewritten….)\nasifdid(were)haddonewould+doHetalksasifhe______________Americabefore.(去过）Helooksasifhe__________ill.Hetalksasifhe_________tothemoonsomeday.(去过）hadbeentowerewouldgo\n1.IwishI______youyesterday.A.seenB.didseeC.hadseenD.weretosee2.Whenapencilispartlyinaglassofwater,itlooksasifit______.A.breaksB.hasbrokenC.werebrokenD.hadbeenbroken3.I’dratherthatyou______thereyesterdayand______againnextweekend.A.went;shouldcomeB.shouldgo;hadcomeC.hadgone;cameD.go;come4.Thetwostrangerstalkedasifthey______friendsforyears.A.shouldbeB.wouldbeC.havebeenD.hadbeen5.—Iblamedheryesterday.—Iwouldratheryou______that.A.didn’tdoB.hadn’tdoneC.wouldn’tdoD.shouldn’tdo6.—Heisaverybraveman.—Yes.IwishI______hiscourage.A.haveB.hadC.willhaveD.wouldhave\nItistimethat的虚拟形式Itistimethat…Itishightimethat…Itisabouttimethat…Itistime还可以有其他句型形式，需注意辨析：Itistime(forsb.)todosth.Itisthefirsttimethat(从句用陈述语气的现在完成时)过去时should+V.It’sthefirsttime(that)Ihavehelpedmymotherdothehousework.\n1.Itishightimeyou______thebus.A.hadcaughtB.caughtC.willcatchD.catch2.It’sabouttimehe______todothework.A.beginsB.willbeginC.beginD.began3.It’shightimethatwe___toschool.A.wouldgoB.wentC.goD.willgo4.Itistimewe___upourresults.A.sumB.summedC.willsumD.wouldsum\n（一）、含蓄条件句含蓄条件句就是虚拟条件暗含在短语或上下文中。这时，必须根据句中表述的意义以及某些特定的信息词如:without,butfor,otherwise,suppose(supposing)等来判断动词形式。1)Withoutsunlight,people’slifewouldbedifferentfromtoday.3)Suppose(supposing)yourfriendsknewhowyouarebehavinghere,whatwouldtheythink?2)Butforyourhelp,Iwouldn’thavefinishedthework.\n用otherwise(or,orelse),though(although)等表示与上下文所指的情况不同,从而引出虚拟语气.4)Thestormstopped,otherwisethesailorswouldhavefallenintothesea.5)Einsteinhadlittleconcernformoney,though(although)hecouldhavebeenaveryrichman.\n1.Withoutelectricity,humanlife______quitedifferenttoday.A.isB.willbeC.wouldhavebeenD.wouldbe2.YesterdayJanewalkedawayfromthediscussion.Otherwise,she______somethingshewouldregretlater.A.hadsaidB.saidC.mightsayD.mighthavesaidWithoutelectricity=Iftherewerenoelectricity\n注意主从句时间不一致情况下的虚拟语气:时间错综句(这时虚拟句谓语动词的形式应根据具体时间加以调整)例如:（二）、时间错综句Ifyouhadworkedhardyesterday,youwouldbetirednow.1.Iftheflowerhadbeenwatered,it______now.A.wouldn’tdieB.isdeadC.hadbeendeadD.willnotdie2.Ifhistelevisionsethadnotbeenstolenyesterday,he______TVnow.A.wouldwatchB.wouldhavewatchedC.wouldbewatchingD.iswatching\n3.ItishardformetoimaginewhatIwouldbedoingtodayifI_____inlove,attheageofseven,withtheMelindaCoxLibraryinmyhometown.(02上海)A.wouldn’thavefallenB.hadnotfallenC.shouldfallD.weretofall\n2)---Wouldyouhavecalledherup_____possible?---Yes,butI_____busydoingmyhomework.A.haditbeen…wasB.ifitwas…wereC.ifithadbeen…hadbeenD.ifitwere…wouldbe问句中用的是虚拟语气，主句用wouldhavecalled,从句中与过去相反的动词形式为haddone；答句中表示的是真实的情况，所以该用陈述语气。（三）、虚实错综句所谓“虚实错综句”是指虚拟现象与客观事实错综交织在一起的句子。这就需要我们细心判断哪一处是虚拟语气，哪一处应使用陈述语气。\n1.They______earlier,butthecarwasn’tready.A.canhaveleftB.mayhaveleftC.willhaveleftD.mighthaveleft2.—Wecouldhavewalkedtothestation;itwassonear.—Yes.Ataxi______atallnecessary.A.wasn’tB.hadn’tbeenC.wouldn’tbeD.won’tbewould+动词原形＋but+现在事实的陈述句would+have+过去分词＋but+过去时陈述句\nConsolidationWriteseveralsentencesorashortpassagetoexpressyourwishes,dreams,complaints,etcbyusingtheSubjunctiveMoodwe’velearned.(Makefulluseofyourimagination.)\nHomework:Finishofftheexercisesgivenbytheteacher.\n用三角尺和直尺画平行线，做成一张5×5个格子的方格纸.观察做出的方格纸的一部分（如图），线段、、…、都与两条平行的横线和垂直吗？它们的长度相等吗？像这样，同时垂直于两条平行直线，并且夹在这两条平行线间的线段的长度相等，叫做这两条平行线间的距离，即平行线间的距离处处相等.\n如图，直线a和b被直线c所截，给出下列条件：(1)∠1=∠2；(2)∠3=∠6；(3)∠4+∠7=1800；(4)∠5+∠8=1800.其中能判断a//b的条件是（）A.(1)(2)B.(2)(4)C.(1)(2)(4)D.(1)(2)(3)(4)bac12345768\n如图，已知AD//BC,∠B=300,DB平分∠ADE，则∠DEC为（）A.300B.600C.900D.1200ACEBB\n如图，易拉罐的上下底面互相平等，用吸管吸饮料时，若∠1=1100，则∠2=，理由可叙述如下：∵AB//CD∴∠1=∠3（）∵∠1=1100（）∴∠3=1100（）∴∠2=（）ADCB231两直线平行，同位角相等已知等量代换平角定义1800-∠3=700\n完成推理填空：如图，已知∠A=∠F,∠C=∠D,求证：BD//CE证明：∵∠A=∠F∴AC//DF（）∴∠D=（）∵∠C=∠D（）∴∠1=∠C（）∴BD//CE（）AFEDCB1内错角相等，两直线平行∠1两直线平行,内错角相等已知等量代换同位角相等，两直线平行\n如图，AD//BC，AB//CD,点E在CB的延长线上，∠C=500，则∠DAB=。AEBCD\n如图，∠A+∠C=1800，∠D=∠E,则AB与EF平行吗？为什么？ADECBF\n如图，若AB⊥BC,BC⊥CD,∠1=∠2求证：BE//CFADCFEB21证明：∵AB⊥BC,BC⊥CD（）∴==900（）∵∠1=∠2（）∴∠EBC=∠BCF（）∴//（）已知∠ABC∠BCD已知BECF垂直的定义等式的性质内错角相等，两直线平行\n已知：如图，∠1+∠2=1800，∠3=∠B。求证：∠AED=∠C.证明：∵∠1+∠2=1800（）∠1+∠DFE=1800（）∴=（）∴//（）∴∠3=∠ADE（）∵∠3=∠B（）∴∠ADE=∠B（）∴//（）∴∠AED=∠C（）已知平角的定义同角的补角相等内错角相等，两直线平行已知等量代换DEABEF∠2BC∠DFE两直线平行，内错角相等同位角相等，两直线平行两直线平行，同位角相等ACBD1EF23\n已知：如图，∠1=∠2,∠C=∠D.求证：∠F=∠A.证明:∵∠1=∠2()∠1=∠DGF()∴∠2=∠DGF（）∴//（）∴∠D=∠FEC()∵∠C=∠D（）∴∠FEC=∠C（）∴DF//AC（）∴∠F=∠A()已知对顶角相等等量代换DBEC同位角相等，两直线平行两直线平行，同位角相等已知等量代换内错角相等，两直线平行两直线平行，内错角相等A2F1HGEDCB\n已知等式的性质同旁内角互补，两直线平行已知角平分线的定义BAC21EFDG已知：如图，已知AB、CD被EF所截，EG平分∠BEF，FG平分∠EFD，且∠1+∠2=900，求证：AB//CD证明：∵EG平分∠BEF，FG平分∠EFD（）∴∠BEF=2∠1∠DFE=2∠2（）∵∠1+∠2=900（）∴∠BEF+∠DFE=1800（）∴AB//CD()\n如图，已知∠1=∠ACB,∠2=∠3,求证：CD//HF证明：∵∠1=∠ACB∴//（）∴∠2=（）∵∠2=∠3（）∴∠3=（）∴//（）同位角相等，两直线平行DE两直线平行,内错角相等已知等量代换同位角相等，两直线平行BC∠DCB∠DCBCDHFDBHE1FCA32\n已知如图，∠BED=∠B+∠D。求证：AB//CD。\n如图，AB//CD,P为AB和CD之间的一点，已知∠1=420，∠2=350，求∠BPC的度数。APDCB12