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Unit12Lifeisfulloftheunexpected你能说出下列规则动词的过去式和过去分词吗？walk_______________rush______________play________________want________________walkedwalkedrushedrushedplayedplayedwantedwantedget__________________go_________________leave____________oversleep________________have_________________give_________________你能写出下列不规则动词的过去式和过去分词吗？ring_______________run__________________wake________________put__________________rangrungranrunwokewakengotgot/gottenwentgoneleftleftoversleptoverslepthadhadputputgavegiven过去完成时(1)构成：由“助动词had(用于各种人称和数)+过去分词”构成否定式：hadnot+过去分词缩写形式：hadn’t(2)用法：过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。(3)它所表示动作发生的时间是“过去的过去”。①表示过去某一时间可用by,before等构成的短语来表示。②也可以用when,before等引导的时间状语从句来表示。③还可以通过状语从句或通过上下文暗示。过去完成时和already,just,ever,yet等连用表示过去的过去。用法：例如：1.他告诉我说他们队已经赢了。Hetoldmethathisteam_________already___________(win).hadwon2.她说她仍没去过长城。Shesaidthatshe_______________(notgoto)theGreatWallyet.hadn’tbeentoIgothomenow现在9:00pm8:00pmMylittlebrotherwenttobedBythetimeIgothome,mylittlebrotherhadgonetobedpast过去过去的过去过去完成时ThePastPerfectTense过去完成时常用于:（1）含介词by到…为止,before等时间短语的句中.（2）连词when,bythetime，before等引导的时间状语从句的主句中.（3）用于主过从过的从句中.Irealizedhehadalreadylefthere.Wehadlearnt20Englishsongsbytheendoflastmonth.TheplanehadtakenoffwhenIreachedtheairport.BythetimeIgotup,mybrotherhadlefthome.3.到昨晚上，他已写完那封信。Byyesterdayeveninghe___________(write)thatletter.4.他说他以前见过你。Hesaidthathe____________(see)youbefore.5.当我进来时，他已做完了作业。WhenIcamein，he________________(finish)hishomework.hadwrittenhadseenhadfinished1.她到家之前她的孩子已经睡着了。Whenshegothomeherchildren，____________(sleep).2.在他们到达之前电影已经开始了。Beforetheyarrivedhere，thefilm_________already___________(start).hadslepthadstarted练习：用所给词的适当形式填空1)Whentheygottothestation,thetrain_________(leave).2)Bythetimeshegottoclass,theteacher_______already_________(start)teaching.3)sherealizedshe_____________(forget)tolockthedoor.4）Whenhe_________(get)tothecinema,thefilm_________________(begin).hadlefthadstartedhadforgottengothadalreadybegunDoyourememberanyunexpectedsituationinyourdailylife?Whatdoyouthinkofthepeopleinthesepictures?Theylookscared/sad…Hebrokehisarm.Heisgettinganelectricshock.Whathappenedtotheboy?Lifeisfulloftheunexpected.Iwaslateforworktoday.WhenIgotup,Ifoundmyclockhadrung.Itwas7:30.WhenIwentout,Ifoundthebushadalreadyleft.1aLookatthepictures.Whathappenedtothegirl?Tina’sBadDayTina’smorning1aHowdidTinalook?Shegotuplate.Sheoverslept.Tellastoryoversleep(overslept,overslept)v.睡过头；睡得太久复合词中的over常有“过于……”之意Don’toversleep,Dean!Youaretobelate.迪恩，别睡过头了！你要迟到了。Bythetimeshegotup,herbrotherhadalreadygottenintheshower.=when当…时候Bythetimeshegotoutside,thebushadalreadyleft.=when当…时候Shewasrunningquickly.WhatwasTinadoing?Whenshegottoschool,sherealizedshehadleftherbackpackathome.ListentoMarytalkingabouthermorning.Completethesentences.1.BythetimeIgotup,mybrother_____________already_______________intheshower.2.BythetimeIgotoutside,thebus_____________already____________.3.WhenIgottoschool,IrealizedI_____________________mybackpackathome.hadgottenhadlefthadleft1bBoy:Hi,Mary.Youlooksotired.Mary:Iam.Ihadabadmorning.Boy:Really?Whathappened?Mary:Well,firstofallI___________.BythetimeIgotup,mybrother_____already_______intheshower.Boy:Oh,whatapain!Mary:So,afterhegotoutoftheshower,Itookaquickshowerandgotdressed.ButbythetimeI________outside,thebus_______already_________.Boy:Oh,no!Mary:Oh,yes!SoIranallthewaytoschool.ButwhenIgottoschool,I________I_____________mybackpackathome.Boy:Nowonderyoulookstressed.overslepthadgottenrealizedhadwentlefthadleft通过刚才的听力训练，你来总结一下。（1）BythetimeIgotup,mybrotherhadalreadygottenintheshower.BythetimeIgotoutside,thebushadalreadyleft.WhenIgottotheschool,IrealizedIhadleftmybackpackathome.这三句话是什么时态的句子?_____________（2）过去完成时表示在过去某个时间,或动作之前已经发生或完成的动作。即“__________”。结构为：_________3）bythetime意思是_______=when,后接过去时的句子时,主语的谓语动词用____________。过去的过去过去完成时had+过去分词在…时候过去式2aListentoMarycontinueherstory.Numberthepictures[1–4]inthecorrectorder.34122bFilltheblankswiththecorrectformsoftheverbsinbrackets.Thenlistenagainandcheckyouranswers.1.WhenI________(get)home,IrealizedI________________(leave)mykeysinthebackpack.2.BythetimeI_______(get)backtoschool,thebell_________(ring).3.BythetimeI________(walk)intoclass,theteacher__________(start)teachingalready.gotgothadlefthadrungwalkedhadstarted听两遍录音，完成下面的对话。Boy:Sothenwhatdidyoudo,Mary?Mary:Well,I____________togetmybackpack.ButwhenIgothome,IrealizedI_________mykeysinthebackpack.Boy:You’rekidding!Mary:SoIranbacktoschoolwithoutmykeysormybackpack.ButbythetimeIgotbacktoschool,thebell__________.Boy:Oh,no!Mary:AndbythetimeIwalkedintoclass,theteacher______________teachingalready.Sheaskedforourhomework,butofcourseIdidn’thaveit.ranhomehadlefthadrunghadstarted2cMakeupanendingforthestoryandshareitwithyourpartner.TheteacherlookedatMaryandaskedherifshehadfinishedthehomework.Marytoldhertheunexpectedthingsshemetwiththismorningbuttheysoundlikeexcusestotheteacher.Therefore,Marywasaskedtofinishthehomeworkintheclass.WhatanunforgettabledayitisforMary!SectionA2d/SectionB1a–1eUnit12Lifeisfulloftheunexpected.SectionA2d---3a2dRole-playtheconver