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1、高二英语语法---虚拟语气虚拟语气(Subjunctivemood)概念:一种表示愿望，建议，假设的语气，用来表示说的话不是事实，或者可能性很小的情况。虚拟语气分五个部分一、三条公式二、省略倒装三、错综句四、含蓄条件句五、特殊（其他）情况一、虚拟语气三条公式（动词形式对应）动词形式时间从句主句与将来事实可能相反与现在事实相反did/werewould/should/could/might+动词原形与过去事实相反would/should/could/might+动词原形did/wereshould+动词原形weretodohaddonewould/could/should/mignt
2、havedone【跟踪演练】1.要是我上个学期努力学习英语的话，我就不会考试失败了。2.假如他今晚能回来的话，他也许会给你一些建议。IfIhadstudiedEnglishhardlastterm,Iwouldn’thavefailedtheexam.Ifheweretocomebackthisevening,hemightgiveyousomeadvice.3.要是我是你，我明天就向老师道歉。4.要是我是你，我就听老师的建议。IfIwereyou,Iwouldapologizetotheteachertomorrow.IfIwereyou,Iwouldfollowtheteach
3、er’sadvice.二、虚拟语气从句的省略倒装如果if从句中含有should,had,were时，则可以省略if，把这三个词放于句首（if溜，had,should,were句首走）1.IfIwereyou,Iwouldattendtheparty.→WereIyou,Iwouldattendtheparty.2.Ifitweretorain,whatwouldyoudo?→------------------?3.Ifyouhadcomeearlier,youwouldhavecaughtthefirstbus.→Wereittorain,Hadyoucomeearlier1._
4、____todothework,Ishoulddoitsomeotherday.A.IfwereIB.IwereC.WereID.WasI【跟踪演练】2._____difficulties,wewouldbesuccessful.A.ShouldweovercomeB.WouldweovercomeC.MightweovercomeD.Couldweovercome3._____theexam,hewouldhaveattendedcollege.A.IfhepassedB.HadhepassedC.WerehepassedD.Ifheshouldpass4._____fivemi
5、nutesearlier,youcouldhaveseenthemoff.IfyoushouldarriveB.IfyouarriveC.HadyouarrivedD.Shouldyouarrive找准时间灵活对应三、错综句：(主从句时态不一致）1.Iftheyhadstudiedhard,theycoulddoiteasilynow.2.Ifhehadnottakenmyadvice,hewouldn’tdoitmuchbetterlikethis.3.IfIwereyou,Iwouldhavegonetoherbirthdayparty.【跟踪演练】翻译：（2013北京）1.如
6、果我们早一点订了桌子，我们就不会再这儿排队了(standinaqueue)2.如果我是你的话，我早就出国了。Ifwehadbookedthetableearlier,wewouldnotbestandinghereIfIwereyou,Iwouldhavegoneabroad.四、含蓄条件句当条件句被without,otherwise,or，butfor等词汇或短语替代时，就叫做含蓄条件句1.Withoutsunlight,people’slifewouldbedifferentfromthattoday.2.Butforyourhelp,Iwouldn’thavefinished
7、thework.3.I’mgladthatIwentoverallmynotes;otherwiseIwouldhavefailedtheexam.【跟踪演练】1.Iwasillthatday,otherwiseI____________________thesportsmeet....否则我早参加了运动会。2.Withoutelectricity,humanlife_________quitedifficult.A.isB.willbeC.wouldbeD.woul
