人教版高中英语必修四unit5 语法讲解课件.ppt

TheSubjunctiveMood,haddone,wouldhavedone,did(be用were),woulddo,1)did2)should+动原3)wereto+动原,woulddo,Iftherewerenoair,theskywouldbeblack.IfIgottheinformation,Iwouldletyouknow.2.Ifwehadgotenoughmoney,wewouldhaveboughtit.3.Ifyoushouldfall,youwouldbeinjured.Ifitweretorain,wewouldnotgothere.Ifyouhadavilla,Iwouldmarryyou.,现在,过去,将来,#Exercises1.IfI_moretime,Iwouldhavegonewithhim.hadB.hadhadC.havehadD.wouldhave,B,2.IfI_you,Iwouldntreturnthecall.A.beB.amC.wasD.were,D,(过去),(现在),a.Ifthey_(be)herenow,they_(take)youradvice.b.Iftheworld-war_(break)outagain,what_(happen)toourpeopleonearth?,were,wouldtake,broke,wouldhappen,PRACTICE1:Fillintheblanks.,c.IfI_(be)inyourposition,I_(ask)forteachershelp.,were,wouldask,a.IfTom_(be)morecarefulintheexam,he_(pass)italready.b.Ifyou_(get)upearlier,you_(catch)thefirsttrain.,hadbeen,wouldhavepassed,hadgot,wouldhavecaught,PRACTICE2:Fillintheblanks.,c.IfI_(meet)youyesterday,we_(go)totheconcerttogether.,hadmet,wouldhavegone,Ifhe_morecarefully,he_thecaraccidentyesterday.,haddriven,wouldnothavehad,a.Ifthere_(be)nonaturalresourceanymore,we_(make)useofnuclearpower.b.What_(happen)ifyou_(getup)toolatetomorrow?,shouldbe,wouldmake,wouldhappen,shouldgetup,PRACTICE3:Fillintheblanks,c.IfRobots_(control)theworldsomeday,here_(be)nofriendship.,weretocontrol,wouldbe,假如他来了,我们对他说什么呢？,Ifheweretocome,whatshouldwesaytohim.,假如他看见我,就会认识我。,Ifheshouldseeme,hewouldknowme.,在虚拟条件句中，若有动词were,should或had（+过去分词），可以省略if,且把这三个词放在主语之前，变成倒装句。,IfIwereabird,Iwouldflyfreely.,=WereIabird,Iwouldflyfreely.,1.Ifyouwerehandsome,Iwouldmarryyou.2.Ifheshouldcometomorrow,Iwouldgiveittohim.3.Ifitweretosnow,Iwouldnotgo.4.Ifhehadcomeyesterday,youwouldhaveseenhim.,Shouldhecometomorrow,Iwouldgiveittohim.,=Wereyouhandsome,Iwouldmarryyou.,Wereittosnow,Iwouldnotgo.,Hadhecomeyesterday,youwouldhaveseenhim.,3._hefinishedthework,hewouldnothavebeenpunished.A.IfB.wereC.hadD.has,C,(过去),Iwish,与过去愿望相反：,haddone,IwishIhadseenthatfilm.,与现在愿望相反：,did/were,IwishIwereashandsomeasyou.,与将来愿望相反：,would/could/might+动词原形,IwishIwouldtryagain.,3.HowIwishI_agrown-up!wereB.hadbeenC.wasD.am,A,(现在),IwishI_astallasyou.,were,IwishI_abird.,were,Iwisheveryday_mybirthday.,were,Iwish/wishedI_(eat)somuchwatermelon.,hadnteaten,Thepartywasterrible,IwishI_(go)toit.,hadnevergone,Iwishit_(rain)tomorrow.,wouldrain,Ifyouhadaskedhimyesterday,youwouldknowwhattodonow.,从句与过去事实相反,主句与现在事实相反,混合虚拟/错综虚拟语气,Ifthestaff_morecareful,themall_onfirenow.,hadbeen,wouldnotbe,句型练习.,1.我要是你的话,我就会把英语学好。2.如果你昨天来,你就会看见他。3.万一明天下雨,我们就不到那儿去。4.我希望我十年前认识他。,Homework,1.suggest,order,demand,request,desire,insist等动词后的宾语从句常用,Isuggest(that)he(should)gotoseethedoctortoday.,Iorderthatyounotdisturbothersinclass.,“should+动词原形”，should可以省略。,2.Itissuggested/desired/ordered/necessary/importantthat等结构后的主语从句:,Itisnecessarythatwe(should)enjoyourselvestothebars.,3.#Itistimethat,从句动词一般用过去时态或者should+V原,e.g.Itistimethatwewenttosleep.,5.asif引导的状语从句，有时用虚拟,e.g.Sheactsasifshewereabeauty.,6.ifonly,e.g.IfonlythatIwerenotsothin.,Iwouldratherthatyoupassedawayrightnow.Iwouldratheryouhadbeenhereyesterday.,7.wouldrather,3.-Doyouhaveacomputer?-No,butIwishI_one.A.haveB.hadC.havingD.havehad,B,4.-IfeelIamsotiredtonight.-Well,itistimethatyou_.A.gotobedB.wouldgotobedC.wenttobedD.goingtobed,C,(现在),(特殊),5.Itisnecessarytha