人教版英语选修六unit1语法(共43张PPT)

Unit1GrammartheSubjunctiveMood虚拟语气ifIwereaboyIfIwereabutterfly,I’dthankyouLordforgivingmewings.IfIwerearobininatree,I’dthankyouLordthatIcouldsing.Thesesentencesrefertoawishthatcan’tbetrue.（不可能实现的愿望）IfIfeeldepressedIwillsing.IfIfeelsadIwilllaugh.IffeeluncertainIwillraisemyvoice.Thesesentencesrefertoatruesituatoin.（一个事实）•subjunctivemoodisusuallyusedtotalkaboutthesituationsthatarenottrueornotlikelytobecometrue.•表示说话人所说的话不是事实，而是一种假设、愿望或推测。theSubjunctiveMoodin“if”clause一、虚拟语气在“if”条件句中的用法•IfIwereyou,Iwouldstudyhard.•IfIhadalotofmoneynow,Iwouldtravelaroundtheworld.•IfIlivedonthemoonatpresent,Imightseethebeauty—Chang’e.【Findtherules（自我发现）】If…________sth,…________________sth.did/were（过去式）would/could/might/shoulddo（动词原形）1.Contrarytothepresent（与现在事实相反）1.Ifit(be)finenow,I(go)shopping.werewouldgo【即学即用】2.IfI(have)alotofmoney,I(help)thosepoorpeople.hadwouldhelpwouldbe3.Ifeveryone__________(live)alow-carbonlifenow,theearth_________(be)saved.lived----Whatwouldyoudoifyouhadonemilliondollars?----IfIhadonemilliondollars,Iwould________________.AnswermyquestionIfyouhadattendedthemeetingyesterday,youwouldhavemether.Ifthedoctorhadcomelastnight,theboywouldhavebeensaved.If…______sth,…________________sth.2.Contrarytothepast（与过去相反）haddone（过去完成）would/could/might/shouldhavedone（现在完成）【Findtherules（自我发现）】4.IfI_______(have)timelastnight,I______________(see)theLoveoftheHawthornTree.wouldhaveseenhadhad【即学即用】5.Ifhe_________(drive)morecarefully,he____________________________________(nothave)anaccidentyesterday.haddrivenwouldnothavehad•IfIhadtimenextweek,Iwouldhelpyou.•IfIshouldhavetimenextweek,Iwouldhelpyou.•IfIweretohavetimenextweek,Iwouldhelpyou.If…_______sth,…_________________sth.would/could/might/shoulddo（原形）3.Contrarytothefuture（与将来事实相反）didweretodoshoulddo【Findtherules（自我发现）】6.Ifit_________________________(be)ChristmasDaytomorrow,I_____________(get)somegifts.were/should/weretobewouldget【即学即用】7.Ifyou_______________________(get)afullmarknexttime,I_____________(treat)youtocandies.got/weretoget/shouldgetwouldtreatMark:1008.IfI___________________________(have)timeonNov12th,I_________(go)toGuangzhoutowatchthe16thAsianGames.had/weretohave/shouldhavewouldgothemascotsofthe16thAsianGames.一、小结：虚拟语气在条件从句中的用法条件从句If从句谓语形式主句的谓语形式现在(Present)过去(Past)未来(Future)would/could/should/might+V.(原)would/could/should/might+havedone过去完成式(haddone)过去式(did/were)过去式/should/wereto+Vwould/could/should/might+V.(原)•Ifitshouldraintomorrow,Iwouldstayathome.•Shoulditraintomorrow,Iwouldstayathome.•Ifwehadworkedharder,wewouldhavewonthegame.•Hadweworkedharder,wewouldhavewonthegame.二、条件句中虚拟语气的倒装IfIwereyou,Iwouldstudyhard.=WereIyou,Iwouldstudyhard.IfIamafish,Icouldswimfreelyinthesea.___1.Correctthemistakewere2.IfmyEnglishteacherhadn’thelpedme,I_________thefirstprizeintheEnglishWritingCompetition.A.wouldnotwinB.wouldnothavewonC.wouldwinD.wouldhavewon3.变为倒装句Ifitshouldraintomorrow,wewouldhavetoputoffthevisittothepark.Shoulditraintomorrow_______________________,wewouldhavetoputoffthevisittothepark.4.Thismachineisofgoodquality.Ifit_________breakdowninthefirstyear,wewouldrepairitatourexpense.A.wouldB.shouldC.couldD.might【2009天津高考】IfIwereabird,Iwouldflyinthebluesky.IfIwereababy,Iwouldnevercry.IfIwereabrightstar,Iwouldshineatnight.IfIwereamillionaire,Iwouldtraveleverywhere.ButsadlyI’mnot,soImustmakethebestoflifeasitis.”（4）从句表示的行为和主句表示的行为所发生的时间不一致Ifyouhadaskedhimyesterday,youwouldknowwhattodonow.(从句说的是过去，主句指的是现在)Ifyouhadfollowedthedoctor’sadvice,youwouldbewellnow.混合条件句，又叫错综时间条件句蕴含条件句•5）假设的条件是借助介词短语或上下文(but;or;otherwise)表示出来，而不用if•Withoutwater,therewouldbenolife.•Withoutyourhelpyesterday,Icouldn’thavefinishedthework.•Butforthebadweather,wewouldhavearrivedearlier.•Theygottwofreetickets,or/otherwisetheycouldneverhavebeenabletoaffordtogotoCanada.•Icouldhavegivenyoumorehelp,butIwastoobusy.•二、虚拟语气在宾语从句中的运用1.wish引导的宾语从句中的虚拟语气与现在事实相反与过去事实相反与将来事实相反过去时（were）had+过去分词would/could/might+动词原形IwishIcouldflytothemoononeday.Hewishedhe_____________________insuchaffairs(notinvolve)IwishI______abird.(be)hadn’tbeeninvolvedwere2.wouldrather宾语从句中虚拟语气的使用•Iwouldratheryoupostedtheletteratonce.•Iwouldratheryoudidn’tdoitnow.•Iwouldratheryouhadreturnedthebooktothelibrary.Butyoudidn’t.wouldrather引导的宾语从句中的虚拟语气与现在事实相反与过去事实相反与将来事实相反过去时过去时（were）had+过去分词IwishIcouldflytothemoononeday.Hewishedhe_____________________insuchaffairs(notinvolve)IwishI______abird.(be)hadn’tbeeninvolvedwere3.表示要求,命令,建议的虚拟语气一个坚持______________两个命令______________三个建议__________________________四个要求__________________________宾语从句中的动词用should+v,或should省略。insistorder,commandadvise,suggest,proposedemand,require,request,desire•Thedoctororderedsheshouldbeoperated.•Thedoctorsuggestedthathe(should)trytolosehisweight.•Thesmileonhisfacesuggestedthathewashappy.•Heinsistedthatwe(should)tellhimthenews.•Heinsistedthathedidn’tstealthering.•在suggestion，proposal，order，plan，idea，advice，decision等名词后面的表语从句、同位语从句用should＋V•Mysuggestionisthatwe(should)gothereatonce.•Myideaisthatwe(should)getmorepeopletoattendtheconference.三.表语从句、同位语从句中的虚拟语气•Imakeaproposalthatwe(should)hold