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1、牛津高中英语(模块六·高二上学期)AdvancewithEnglishUnit4GrammarandusageUnit4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.Ifyouhadcomeearli
2、er,youwouldhavemethim.Hadyoucomeearlier,youwouldhavemethim.IfIshouldhavetime,Iwouldcallher.ShouldIhavetime,Iwouldcallher.ExercisesIFirst,changethefollowingsentencesintoconditionals.Second,inverttheseconditionals.1.TheboywhowentswimmingintheNo-swimmingZonedrownedintheriver.Iftheboyhadn’
3、tgoneswimmingintheNo-swimmingZone,hewouldn’thavedrownedintheriver.HadtheboynotgoneswimmingintheNo-swimmingZone,hewouldn’thavedrownedintheriver.2.Billywasbadlybittenbymosquitoesbecauseheforgottousethemosquitonetlastnight.IfBillyhadrememberedtousethemosquitonetlastnight,hewouldnothavebee
4、nbittenby…HadBillyrememberedtousethemosquitonetlastnight,hewouldnothavebeenbittenby…3.Themothercarelesslyputtheknifewithinthebaby’sreach,andthebabycutherselfwhileplayingit.Ifthemotherhadcarefullyputtheknifeoutofthebaby’sreach,thebabywouldn’thavecutherself.Hadthemothercarefullyputthekni
5、feoutofthebaby’sreach,thebabywouldn’thavecutherself.ExercisesIIMultipleChoices1._____theexam,hewouldhaveattendacollege.A.IfhepassedB.HadhepassedC.WerehepassedD.IfheshouldpassB2._____fiveminutesearlier,youcouldhaveseenthemoff.A.IfyoushouldarriveB.IfyouarriveC.HadyouarrivedD.Shouldyouarr
6、iveC3._____itraintomorrow,weshouldhavetoputoffthevisittotheScienceMuseum.A.WereB.shouldC.wouldD.willB2.Impliedconditionals1.butfor,without,under,withetc.Butforelectricity,therewouldbenomodernindustry.Withoutyourhelp,wecouldnothavesucceeded.UndersuchcircumstancesIwouldprobablyhavedoneth
7、esame.2.otherwise,but,orIranallthewaytoschool,otherwiseIwouldhavebeenlate.Hefeltverytiredyesterday,orhewouldhavehelpedyou.3.butthat(要不是)Butthathewasshortofmoneyatthetime,hewouldhavecometohelpus.4.-ingphrasesandto-infinitiveYouwouldhavelaughedtoseehimjumpaside.Thissamething,happeningi
