2. 状语从句中时态的代替.ppt

,在时间、条件、让步等状语从句中，常有以下时态方面的替换:1.用代替一般将来时,一般现在时,-Callmewhenyoulandontheisland.-I_.A.mustB.willC.canD.should补充完整：IwillcallyouwhenIlandontheisland.,Ifyougotoattendthemeeting,_?A.sodoIB.sowillIC.soIdoD.soIshall,As(随着)yourspokenEnglishimproves,_yourwrittenEnglish.A.sodoesB.sowillC.thuswillD.doesso随着你的口语的提高，你的书面英语也将会提高。-Marylookssoexcitedandhappy.-_ifyouwinthefirstprize.A.SowillyouB.SodoyouC.SowouldyouD.Sodidyou,IdontknowifI_time.IfI_time,Illgowithyou.A.willhave;haveB.have;haveC.willhave;willhaveD.have;willhave,Wheneveryou_apresent,youshouldthinkaboutitfromthereceiverspointofview.A.boughtB.haveboughtC.willbuyD.buy,Comeandseemewhenever_.A.youareconvenientB.youwillbeconvenientC.（itis）convenient（toyou）D.itwillbeconvenienttoyou注意:“对于某人来说方便”应该用Itisconvenienttosb或Itisconvenientforsbtodosth不可以用sbbeconvenient.,Sendmyregards(问候)toyourlovelywifewhenyou_(write)home.,write,Iftheirmarketingplans(营销计划)succeed,theywillincreasetheirsalesby20%.归纳：时间与条件等状语从句中用一般现在时，主句一般用_.,“will/shall+动词原形”。,-Whenwillthelecturebegin?-Whenthestudentsareseated.,Hecanaffordtobuyabighouseforhisfamilybythetimehe_thirty.A.hadbeenB.isC.willbeD.isgoingtobe,_thisjob,hewillhavetobefacedwiththechallengingsituationhehasneverexperiencedbefore.NomatterwhowilltakeonB.WhotakesonC.WhoeverwilltakeonD.Whoevertakeson=Nomatterwhotakeson不管谁承担这份工作，都将面临以前从未经历过的具有挑战性的情况。,Remembertosendmethephotosofusatschoolnexttimeyouwritetome.,主将从现(1)Bythetimeyouarrivehome,Ishallbesleeping,sopleasedontmakeanynoisewhenyoucomein.(2)Theplanewillbegoingatthepresentspeeduntilitcrossesthemountainatabouttentonight.,区分32.2013北京-Sowhatistheprocedure?-Alltheapplicants_beforeafinaldecisionismadebytheauthority.A.interviewB.areinterviewingC.areinterviewedD.arebeinginterviewed1.Wearedesigninganexperimenttofindoutwhetherglassbreaksmoreeasilywhenitiscold.分析：glassbreaksmoreeasily”玻璃更容易碎”讲的是现在的客观情况,不是表示将来的情况。2.Theproblemwillappear_adifferentwelfaresystemwillbecreated.A.unlessB.whetherC.untilD.ifUnless:willbe改成is,注意：在时间与条件等状语从句中，不可用“will/shall+动词原形”表示将来，但可以用“be+todo”以及“begoingtodo”表示将来。(2001上海)Insuchdryweather,theflowerswillhavetobewateredifthey_.HavesurviveB.aretosurviveC.WouldsurviveD.willsurviveIfyouaregoingtocometomyhouse,youdbetterphonemefirst.,2.用现在进行时代替将来进行时WakemeupatfiveoclocktomorrowmorningifIamsleeping.这里的amsleeping代替的是_.,willbesleeping,Iwilltelephonethemifthey_thereatthistimetomorrow.A.donotwaitB.arenotwaitingC.hadnotwaitedD.havenotwaited,Ifyou_infrontoftheshopwhenIpassby,Iwillgiveyoualifttoschool.A.willstandB.arestandingC.havestoodD.willbestanding,3.用现在完成时代替将来完成时,Nodecision_aboutanyfutureappointmentuntilallthecandidateshavebeeninterviewed.AwillbemadeBismadeCisbeingmadeDhasbeenmade直到所有的求职者已经被面试，才会做出关于将来任命职务的决定。这里的havebeeninterviewed代替的是_.,willhavebeeninterviewed.,-Imgoingtoleaveattheendofthismonth.-Idontthinkyoushoulddothatuntilyou_(find)anotherjob.,havefound,-Whenshallwerestartourbusiness?-Notuntilwe_ourplanAwillfinishBarefinishingCaretofinishDhavefinished“直到我们完成我们的计划，我们才重新开始我们的生意。”,-Whataniceday!Whenshallwegooutforapicnic,Dad?-NotuntilI_theworkathandAwillhavefinishedBarefinishingCamtofinishDhavefinished,Ifyouhavedonetheexperiment,youwillunderstandthetheorybetter.,Whenwilltheexpertcomeandgivethelectureonintellectualproperty?Notuntilourprogram_bytheauthorities(直到我们的项目被官方批准).A.approvesB.hasbeenapprovedC.istoapproveD.willbeapproved,Untilwehavediscussedallthedetails,nodecision_aboutanynewoperations.A.willbemadeB.ismadeC.isbeingmadeD.hasbeenmade,Dontexpectmetodothatforyou.Iwontbeavailable(有空闲的)untilI_myhomework.A.finishedB.hadfinishedC.havefinishedD.willhavefinished,Dontgetoffthebusuntilithasstopped.车停稳之前，别忙着下车。,4.用现在完成进行时代替将来完成进行时,Iwonttellthestudenttheanswertothemathproblemuntilhe_onitformorethananhour.A.hasbeenworkingB.willhaveworkedC.willhavebeenworkingD.hadworked分析：在将来告诉他答案之前，他已经一直在思考这道数学题一个多小时了，所以应该用将来完成进行时。,以上四种情况主句常用一般将来时：will/shall+动词原形,5.用代替过去将来时,一般过去时,Hepromisedmeifwe_thegame,he_usaroundofdrink.A.win,willbuyB.won,wouldbuyC.won,boughtD.wouldwin,wouldbuyHelenhadleftherkeysintheofficesoshehadtowaituntilherhusbandcamehome.,Theboypromisedthathe_hisstepmotherforherkindnesswhenhe_.A.willrepay,growsB.wouldrepay,grewC.repays,hasgrownD.repaid,wouldgrow,第五种情况主句常用过去将来时：would/should+动词原形,宾语从句,Bythetimeherealizeshe_intoatrap,itllbetoolateforhimtodoanythi