人教版 选修六 Unit 4 Global warmingGrammar课件 (75张PPT).ppt

subjunctivemood虚拟语气 iwishi be astallasyou were iwisheveryday be mybirthday were iwish wishedi eat somuchwatermelon hadn teaten 英语动词有种语气陈述语气祈使语气虚拟语气 用来表示说的话不是事实 或者是不太可能发生的情况 而是一种愿望 建议 假设的语气叫虚拟语气 三 虚拟语气的考点1 条件句中的虚拟语气的用法 2 条件句中虚拟语气的倒装 3 名词性从句中虚拟语气的用法 4 几种特殊结构中虚拟语气的用法 5 虚拟语气时态的判定 if引导的虚拟条件句 区别 ifitrainstomorrow thecropswillbesaved ifitrainedtomorrow thecropswouldbesaved 陈述语气 虚拟语气 主从句的谓语形式 时间 if从句的谓语形式 主句的谓语形式 现在 过去 将来 did were haddone would could should might v 原 would could should might have p p 1 did were2 shoulddo3 weretodo would could should might v 原 1 ifiwereyou iwouldgiveanaidspatientahug 2 ifshehadtoldhimaboutthedanger hewouldnothavegothurt 3 iftheteacheraskedmetosolvetheproblemnexttime icouldtrymybest 4 ifheshouldfailintheexperimentthistime hewouldtryagain 5 ifweweretopanic wewouldnotbeabletohelp ifyou tomorrow you findthenewmanagerworkingintheoffice shouldcome wouldb wouldcome wouldc willcome shouldd comes might iftheparents atthehospitalearlieraftertheaccident thechildwouldhavebeensaved arrivesarrivec hadarrivedd hasarrived ifhe he thatfood luckilyhewassenttothehospitalimmediately a waswarned wouldnothavetakenb hadbeenwarned wouldnothavetakenc wouldbewarned hadnottakend wouldhavebeenwarned hadnottaken if虚拟句的倒装 万一下雨 我们将不得不推迟比赛 wewillhavetoputoffthesportsmeet incaseitrains incaseofrain ifitshouldrain shoulditrain 如果条件状语中有were had should时 可以倒装成 were should had 主 其他 wereiyou hadhebeenthereyesterday shoulditsnowtomorrow ifiwereyou iwouldtryitagain ifhehadbeenthereyesterday hewouldhaveseenthefilm ifitshouldsnowtomorrow wewouldn tgoout 如果我是你 我会再试一次 如果他昨天在那儿的话 他就会看那部电影了 如果明天下雪 我们就不出去了 有时为了表达需要 并不总是出现if引导的条件句 而通过其他手段来代替条件句 1 iwasillthatday 0therwise i take partinthesportsmeet 2 i give youmorehelp butiwastoobusy 3 withoutelectricity it hardforustolive 4 butforwater it be impossibletoliveinthedesert wouldhavetaken mighthavegiven wouldbe wouldbe theexam hewouldhaveattendedacollege a ifhepassedb hadhepassedc werehepassedd ifheshouldpass 2 fiveminutesearlier youcouldhaveseenthemoff a ifyoushouldarriveb ifyouarrivec hadyouarrivedd shouldyouarrive 名词性从句中的虚拟语气及几种虚拟语气特殊句型 1 a 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1 insist2 order command3 advise suggest propose recommend advice suggestion proposal 4 demand require request desire这些词引导的名词性从句要使用虚拟语气 即从句中的动词使用should 动词原形 或者将should省略 mydemandisthatshe come toseemeonceaweek allofusarefortheadvicethatthechemicalworks be closeddown hesuggestedthatwe go tobeijingforsightseeing theproposalthatwe go outforapicnicwaswarmlywelcomed should go should come should be should go 表语从句 同位语从句 宾语从句 同位语从句 注意 如suggest insist用于其本意 暗示 表明 坚持认为 时 宾语从句用陈述语气 1 theguardatgateinsistedthateverybody obey therules 2 heinsistedthatshe be seriouslyillandthat send tothehospitalatonce 3 hesuggestedthatwe have ameetingatonce 4 hispalefacesuggestedthathe be ill obey was besent have was b it ssuggested requested orderedetc结构的主语从句中 1 it srequestedthatmisscai should giveaperformanceattheparty 2 it sorderedthatthesoldiers should setoffrightaway c suggestion proposal order 等后面的表语从句和同位语从句 1 mysuggestionisthatwe should sendafewpeopletohelptheothergroups 2 theorderswerethatwe should staywherewewere 在虚拟语气中 should v 或完成式 表示惊奇 惶恐 怀疑 不满等 a 在expect believe think suspect等动词的否定或疑问形式后的宾语从句 1 ineverexpectedthattheproblemshouldbesocomplicated theyjustcouldn tbelievethatthestadiumshouldbesobig b 在it sapity it sashame it sstrange it snowonder it snatural it snecessary important等结构后的主语从句中 1 it sagreatpitythathe should besoconceited 2 it sstrangethatshe should havefailedtoseeherownshortcomings 3 it squitenaturalthatsuchfears should arise c 在i msorry weweresurprised theyweredisappointed 1 i msorrythatheshouldbeinsuchpoorhealth 2 weweresurprisedthatheshouldbesostubborn 在下面的状语从句中的谓语动词要用虚拟语气 a 在asif asthough引导的状语从句中 1 heactsasifhewereanexpert 2 hespoketomeasifiwereadeaf 3 theytalkedasiftheyhadbeenfriendsforyears b 在inorderthat sothat引导的目的状语从句中的谓语动词多用may might 1 theteacherspokeslowlyinorderthatthestudentscould might hearclearly 2 shetookataxisothatshecouldgetthereintime c 以lest forfearthat incase引导的从句中 1 hetookhisraincoatwithhimlestit should rain 2 heputhiscoatoverthechildforfearthathe should catchacold 3 here ssomemoneyincaseyou should needit 虚拟语气在其他情况下的应用 1 onlyif 只有ifonly 如果 就好了 也可用于陈述语气 iwakeuponlyifthealarmclockrings 只有闹钟响了 我才会醒 ifonlythealarmclockhadrung 当时闹钟响了就好了 虚拟语气 说明当时闹钟没响 ifonlyheknewhowwemisshim ifonlyicouldseehimonce 2 在wish引导的宾语从句中 iwish that iwereabirdandcouldflyfreelyinthesky 2 hewishedhehadn tmadethebigmistake 3 howhewisheshewouldhaveonemorechance 虚拟语气特殊句型 wish ifonly 现在 过去 未来 did were haddone woulddo iwishiwereabird 现在 iwishihadn tmadesuchamistake 过去 wewishourparentswouldn tpunishus 将来 3 it s about high time that should v 过去时 你该走了 我们该睡觉了 it shightimethatyouwent it shightimethatyoushouldgo it s about timethatwewenttobed it stimethatweshouldgotobed 4 在wouldrather引导的宾语从句中 1 iwouldratheryoudidn tdoanythingaboutitforthetimebeing i dratheryoustayedinbedandhadarestatleastfor3weeks 3 iwouldratherhehadfollowedmyadvice 虚拟语气时态的判定 注意 假设条件从句谓语动词发生的时间与主句所假设的谓语动词不一致情况下的虚拟语气 混合条件句 这时动作的形式应根据它所表示的时间加以调整 1 ifshehadn ttrainedsohard she not be abletorunsofasttoday 2 they help butcouldn tgethereintime wouldn tbe wouldhavehelped 1 hadyoulistenedtothedoctor you allrightnow a areb werec wouldbed wouldhavebeen2 anychangeaboutthedate pleasetellmeimmediately a willtherebeb shouldtherebec therewillbed thereshouldbe practise 3 today hewouldgettherebyfriday a wouldheleaveb washeleavingc werehetoleaved ifheleave4 shoulditrain thecrops a wouldbesavedb wouldhavebeensavedc willbesavedd hadbeensaved 5 you comeearlier thebusleftamomentago a wouldb shouldhavec mayd have6 whatshouldwedoifit tomorrow a shouldsnowb wouldsnowc snowd willsnow 7 you suchaseriousmistakeifyouhadfollowedhisadvice a maynotmakeb mightnotmakec shouldhavemaded mightnothavemade8 ifitwerenotforthefactthatyou ill iwouldaskyoutodothisrightnow a wereb hadbeenc ared shouldbe 高考链接 1 elizarememberseverythingexactlyasifit yesterday 2006全国 a washappeningb happensc hashappenedd happened 2 don tyouthinkitnecessarythathe tomiamibuttonewyork iagree buttheproblemis hehasrefusedto 2005江苏 a willnotbesent thatb notbesent thatc shouldnotbesent whatd shouldnotsend what 3 ifi plantodoanythingiwantedto i dliketogototibetandtravelthroughasmuchofitaspossible 2005湖北 wouldb shouldc hadtod oughtto multiplechoice 1 wedemandedthatwe ofanychangeintheplan a informedb wouldbeinformedc beinformedd hadbeeninformed2 it snecessarythathe arecognizedqualification a hasb havec hadd having3 it shightimewe ourattentiontothisproblem a turnedb turnc hadturnedd wouldturn 4 ifonlyyou himwhatisaid everythingwouldhavebeenallright a didn ttoldb hadn ttoldc wouldnottelld wouldhavenottold5 hemusthavehadanaccident orhe herethen a wouldhavebeenb hadbeenc shouldhavebeend couldbe6 muchlabourwouldhavebeensavediftheelectroniccomputers before a hadinventedb wereinventedc shouldhavebeeninventedd hadbeeninvented 7 ceaseadvertising priceswouldbesignificantlyreduced a weretheytob couldtheyc iftheyd wouldthey8 fiveminutesearlier andwe thelastbus a hadcaughtb shouldhavecaughtc couldhavecaughtd caught9 you theclothes wehaveawasherwomantodothatsortofthing a shouldn thavewashedb mustn thavewashedc cannothavewashedd needn thavewashed 10 jeandoesn twanttoworkrightawaybecauseshethinksthatifshe ajobsheprobablywouldn tbeabletoseeherfriendsveryoften a hastogetb weretogetc hadgotd couldhavegot11 themadmanwasputinthesoft paddedcelllesthe himself a shouldinjureb hadinjuredc injuredd wouldinjure12 itispolitelyrequestedbythehotelmanagementthatradios after11o clockatnight a werenotplayedb nottoplayc notbeplayedd didnotplay 13 youdon thavetobeinsuchahurry iwouldratheryou onbusinessfirst a wouldgob willgoc wentd havegone14 itisimportantthatenoughmoney tofundtheproject a becollectedb mustbecollectedc wascollectedd canbecollected15 ifonlythecommittee theregulationsandputthemintoeffectassoonaspossible a approveb willapprovec canapproved wouldapprove 16 idon tthinkitadvisablethattom tothejobsincehehasnoexperience a isassignedb willbeassignedc beassignedd hasbeenassigned17 you herinherofficelastfriday she sbeenoutoftownfortwoweeks a needn thaveseenb musthaveseenc mighthaveseend can thaveseen18 wedidn tknowhistelephonenumber otherwisewe him a wouldhavetelephonedb musthavetelephonedc wouldtelephoned hadtelephoned 19 itisrecommendedthattheproject untilallthepreparationshavebeenmade a isnotstartedb willnotbestartedc notbestartedd isnottobestarted20 iwishi longerthismorning butihadtogetupandcometoclass couldhavesleptb sleptc mighthavesleptd haveslept 21 i hertothepartybutididn tknowherwell a oughthaveinvitedb wouldhaveinvitedc shouldinvited mayhaveinvited22 you totowntoseethefilmlastweek itwillbeontvtomorrow a needn tgob shouldnotgoc hadbetternotgod needn thavegone 23 wouldyouhavecalledheruphaditbeenpossible yes buti busydoingmyhomework a wasb werec hadbeend wouldbe24 itwasessentialthattheapplicationforms backbeforethedeadline a mustbesentb wouldbesentc besentd weresent25 itisimportantthatwe a shallclosethewindowbeforeweleaveb willclosethewindowbeforeweleavec mustclosethewindowbeforeweleaved closethewindowbeforeweleave ifhe metomorrow iwouldlethimknow a shouldcallb shouldnothavebeenablec werenotabled arenotable2 she stalkingaboutaustraliaasifshe there whileactuallyshehasneverleftherhometown a hadbeenb hasbeenc hadgoned hasgone choosethebestanswers a a 3 juliafeelslonelyinthiscityandwishesshe withherparents a werelivingb islivingc willlived haslived a 5 hesuggestedthatthemeeting putoff a notbeb shouldnotc wouldn td benot6 iwishi myuncleyesterday a metb havemetc wouldmeetd hadmet a d 7 ifonlyi tomyparents advice a listeningb listenc amlisteningd hadlistened8 ifit rainnextweek thefarmerscoulds