条件和让步状语从句课件VIP免费

Ifyoufailintheexam,youwilllethimdown.如果你考试不及格,你会让他失望的我可以告诉你真相,条件是你答应保守秘密。Icantellyouthetruthonconditionthatyoupromisetokeepasecret.Youwillfailtoarrivethereintimeunlessyoustartearlier.Supposing/supposeitrains,shallwecontinuethesportsmeeting?Hewon’tbeagainstusinthemeetingprovided/providingthatweaskforhisadviceinadvance.Incaseitrains,Iwilltakeanumbrella.Aslongasyoupromisetocome,I’llwaitforyouuntilyoucome.状语从句中的省略：当从句主语和主句主语一致或者为It，从句谓语动词含有be动词，这是可以省略主语和be动词。If(itis)necessary,Iwillsellthecar.when(youare)driving,youshouldbecareful.justdoas(youare)toldto.1.whenfirst____tothemarket,theseproductsenjoyedsuccess.A.introducingB.introduceC.introducedD.beingintroduced2.unless____tospeak,youshouldremainsilentatthemeeting.A.invitedB.invitingC.beinginvitedD.havinginvitedIfIwereyou,Iwouldinvitehimtotheparty.如果我是你,我会邀请他参加聚会。IwouldhavearrivedmuchearlierifIhadnotbeencaughtinthetraffic.如果没有堵车,我会到的早一点儿。另外,if从句还表示不可实现的条件或根本不可能存在的条件,也就是一种虚拟的条件或假设,2.Ifyou_______thisexperiment,youwillunderstandthetheorybetter.A.willbedoingB.havedoneC.willhavedoneD.woulddoB3.Thevolleyballmatchwillbeputoffifit________.A.willrainB.rainsC.rainedD.israiningB4.—ShallBrowncomeandplaycomputergames?—No,________hehasfinishedhishomework.A.whenB.ifC.unlessD.onceC1.—AreyouthinkingaboutgoingtoNewYorkfortheholiday?—No.ButifI________thetime,Iwoulddefinitelygo.A.haveB.hadC.havehadD.wouldhaveBII.Choosethebestanswers.1.though,although表示“虽然,纵然”之意。在一般情况下可以互换使用。在口语中,though较常使用,although比though正式,二者都可与yet,still或nevertheless连用,但不能与but连用。让步状语从句的引导词:e.g.Though/Althoughhewaswornout,(still)hekeptonworking.虽然他已经精疲力竭,但仍然继续工作。Though/Althoughheisveryold,(yet)heisquitestrong.他虽然年纪大了,身体还很健壮。Thoughhewasachild,heknewwhattodo.虽然他是一个孩子,但他知道该做什么=Childas/thoughhewas,heknewwhatwastherightthingtodo.2.as,though表示“虽然……但是”,“纵使……”之意。as引导的让步状语从句必须以部分倒装的形式出现,被倒装的部分可以是表语（adj./n.）、状语(adv)或动词原形,though间或也用于这样的结构中,但although不可以这样用。Objectas/thoughyoumay,I’llgo.=Though/Althoughyoumayobject,I’llgo.纵使你反对,我也要去。Hardas/thoughheworks,hemakeslittleprogress.=Thoughheworkshard,hemakeslittleprogress.尽管他学习很努力,但几乎没取得什么进步。此外,有时while也可以引导让步状语从句,但一般要位于句首。如:WhileIlikethecolour,Idon’tliketheshape.我虽然喜欢那颜色,但不喜欢那形状。Evenif/thoughheispoor,sheloveshim.You’llhavetoattendtheceremonywhetheryou’refreeorbusy/ornot.即使他很穷,但她还是爱他。不管你忙不忙,都要参加这个典礼。无论发生了什么,他都不会介意的。Nomatterwhat/whateverhappened,hewouldnotmind.Whoeveryouare,youmustkeepthelaw.Whateveryousay,Iwon’tbelieveyou.I’lleatwhateveryougiveme.Whoevercomeswillbewelcome.1._________Ifeellonely,Ithinkaboutyou.2.________heis,heisveryrudetome.3._________Igo,Ialwaysmeetinterestingpeople.4.Youcaninvite_______youliketotheparty.WheneverWhoeverWhereverwhoeverCompletethesentenceswithwhoever,wherever,wheneverorhowever.5.________lateyouarrive,I’llcomeandmeet.6.Ifeelshy________shesayshellotome.7.Ihearthatsong_________Iswitchontheradio.8.________muchIstudy,Ifindtheseexercisesdifficult.Howeverwhene...