高中英语 Unit4 Helping people around the world Grammar and usage2课件 牛津译林版选修6.ppt

牛津高中英语,(模块六高二上学期),AdvancewithEnglish,Unit4,Grammarandusage,Unit4,课件描述：,本课件主要运用于帮助学生巩固虚拟语气的各个规则，并进行归纳和练习。,1.InversionofConditionalOmissionof“if”,虚拟条件句的从句部分如果含有were,should,或had,可将if省略，再把were,should或had移到从句句首，实行倒装。,Iftheywereherenow,theycouldhelpus.Weretheyherenow,theycouldhelpus.Ifyouhadcomeearlier,youwouldhavemethim.Hadyoucomeearlier,youwouldhavemethim.IfIshouldhavetime,Iwouldcallher.ShouldIhavetime,Iwouldcallher.,ExercisesI,First,changethefollowingsentencesintoconditionals.Second,inverttheseconditionals.,1.TheboywhowentswimmingintheNo-swimmingZonedrownedintheriver.,IftheboyhadntgoneswimmingintheNo-swimmingZone,hewouldnthavedrownedintheriver.,HadtheboynotgoneswimmingintheNo-swimmingZone,hewouldnthavedrownedintheriver.,2.Billywasbadlybittenbymosquitoesbecauseheforgottousethemosquitonetlastnight.,IfBillyhadrememberedtousethemosquitonetlastnight,hewouldnothavebeenbittenby,HadBillyrememberedtousethemosquitonetlastnight,hewouldnothavebeenbittenby,3.Themothercarelesslyputtheknifewithinthebabysreach,andthebabycutherselfwhileplayingit.,Ifthemotherhadcarefullyputtheknifeoutofthebabysreach,thebabywouldnthavecutherself.,Hadthemothercarefullyputtheknifeoutofthebabysreach,thebabywouldnthavecutherself.,ExercisesII,MultipleChoices,1._theexam,hewouldhaveattendacollege.,A.IfhepassedB.HadhepassedC.WerehepassedD.Ifheshouldpass,B,2._fiveminutesearlier,youcouldhaveseenthemoff.,A.IfyoushouldarriveB.IfyouarriveC.HadyouarrivedD.Shouldyouarrive,C,3._itraintomorrow,weshouldhavetoputoffthevisittotheScienceMuseum.,A.WereB.shouldC.wouldD.will,B,2.Impliedconditionals,1.butfor,without,under,withetc.Butforelectricity,therewouldbenomodernindustry.Withoutyourhelp,wecouldnothavesucceeded.UndersuchcircumstancesIwouldprobablyhavedonethesame.,2.otherwise,but,orIranallthewaytoschool,otherwiseIwouldhavebeenlate.Hefeltverytiredyesterday,orhewouldhavehelpedyou.3.butthat(要不是)Butthathewasshortofmoneyatthetime,hewouldhavecometohelpus.,4.-ingphrasesandto-infinitiveYouwouldhavelaughedtoseehimjumpaside.Thissamething,happeninginwartime,wouldamounttodisaster.5.Ifitwere(hadbeen)notfor要不是Ifitwerenotforpeace,wecouldnotbelivingahappylifetoday.Ifithadnotbeenforyouradvice,Iwouldnothaveacceptedthejob.,Exercises,Makesomesentencesofimpliedconditionals,3.UnrealSituations,Wecanuseevenif,asif,asthoughandifonlytointroduceunrealsituations.,1.evenifIwouldnevergotohishomeevenifIwereinvitedto.2.IfonlyIfonlytheweatherwerefiner!Ifonlyyouhadntoffendedhim!,3.asif/asthoughShealwaystalkstomeasifsheweremysister.Hewalksslowlyasifhehadhurthisleg.Shelooksasifshewouldcry.在某些语境中，如果不表示假设意义，就不必用过去式。Itlooksasifitisgoingtorain.Thefishsmellsasifithasgonebad.,Exercises,MultipleChoices,1.Whenapencilispartlyinaglassofwater,itlooksasifit_.,A.breaksB.hasbrokenC.werebrokenD.hadbeenbroken,C,2.Theactoris58yearsold.Butheactsasifhe_ayoungman.,A.isB.willbeC.amD.were,D,3.Thecloudsaregettingdarkeranddarker.Itlooksasifit_rain.,A.isgoingtoB.willC.wasgoingtoD.would,A,4.Subjunctivemoodinwish-clauses,用于wish后面的从句，表示与事实相反的情况，或表示将来不太可能实现的愿望。1.wish(that)+s+v-ed(were)IwishIwereasyoungasyou.2.wish(that)+s+haddoneIwishthatIhadnotmethimyesterday.3.wishthat+s+would/could/mightdoIsntityourwishthatyoucouldbuyacarlikethat?,Iwish和Ihope都表示“希望”。但Ihope并不表示假设意义，随后的动词形式除表示婉转口气外很少用过去形式。Ihopeyourecomingtoourparty.Wehopeyouwillbeveryhappy.,Exercises,Thepictureexhibitionboredmetodeath.IwishI_toit.,A.hadntgoneB.haventgoneC.didntgoD.couldnothavegone,A,2.HowIwishI_that!Everybodypresentwasangrywithme.,A.didntgoB.hadntdoneC.wouldntdoD.wasntdoing,B,3.Heisabraveman.Yes,IwishI_hiscourage.,A.HaveB.hadC.willhaveD.wouldhave,B,4.Tomcantakehiscarapartandputitbacktogetheragain.Icertainlywishhe_mehow.,A.teachesB.willteachC.hastaughtD.wouldteach,D,5.Subjunctivemoodin:1)Its(high/above)timethatsomebodydid.,2)Awouldrather(that)B:现在did过去haddone将来did,1)Its(about/high)time+that,shoulddo,did,你该走了。,我们该吃饭了。,Itshightimethatyouwent.Itshightimethatyouweregoing.Itshightimeth