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Unit12Lifeisfulloftheunexpected.SectionA1a–2cget__________________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/gottenwentgoneleftleftoversleptoverslepthadhadputputgavegivenDoyourememberanyunexpectedsituationinyourdailylife?Maybeyouareablackhorse.Whatdoyouthinkofthepeopleinthesepictures?Theylookscared/sad…Hebrokehisarm.Heisgettinganelectricshock.Whathappenedtotheboy?Unit12Lifeisfulloftheunexpected.Iwaslateforworktoday.WhenIgotup,Ifoundmyclockhadrung.Itwas7:30.WhenIwentout,Ifoundthebushadalreadyleft.1aLookatthepictures.Whathappenedtothegirl?Tina’sBadDayShegotuplate.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Whenshegottoschool,sherealizedshehadleftherbackpackathome.ListentoMarytalkingabouthermorning.Completethesentences.1.BythetimeIgotup,mybrother_____________already_______________intheshower.2.BythetimeIgotoutside,thebus_____________already____________.3.WhenIgottoschool,IrealizedI_____________________mybackpackathome.hadgottenhadlefthadleft忘记某物真特殊，后有地状用leave.()Iforgotmyhomeworkathome.()Ileftmyhomeworkathome.TF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…时候过去完成时ByVilla看timeline来比较过去完成时与一般过去时的不同，也比较两种时态。时间过去的过去过去现在（过去完成时）（过去时）构成：had+过去分词过去完成时态ThePastPerfectTense定义：过去完成时是一个相对的时态，表示的时间是过去的过去。只有和过去某时或某动作相比较时才用到这个时态。这个时态常常用于宾语从句中。用法：1.过去完成时动词表示过去某一时间或某一动作之前完成的动作或状态。在强调过去某一动作发生在另一动作之前时。在强调过去某一个动作发生在另一个动作前常常用过去完成时态。1.他说他以前见过你。Hesaidthathe______________(see)youbefore.hadseen2.到六点钟为止他们已经工作八小时了。Bysixo’clockthey______________(work)foreighthours.hadworked2.过去完成时词可以表示过去某一时刻之前发生的动作或呈现的状态，这一动作一直持续或将继续下去。Bysixo’clockthey____________(work)foreighthours.WhenIcametoGZ,he_____________(be)thereforalongtime.用法：1.到了六点钟为止，他们已经工作了八小时了。2.我到广州时，他在那里很长时间了。hadworkedhadbeen3.到上个月中旬我们在北京住了有五年时间了。Bythemiddleoflastmonthwe______________(live)inBeijingforfiveyears.hadlivedThePastPerfectTense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.1.到昨晚上，他已写完那封信。Byyesterdayeveninghe___________(write)thatletter.2.他说他以前见过你。Hesaidthathe____________(see)youbefore.3.当我进来时，他已做完了作业。WhenIcameinhe________________(finish)hishomework.记住时间状语：bythen(截止到那时);by9o’clock(直到九点钟)bytheendof…(在…结束/末之前);bythetime…(在…时之前);by+过去时间点uptillthen(直到那时);upuntillastnight(直到昨晚）等连用，表示过去的过去。hadwrittenhadseenhadfinished3.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’tbeento用法：过去完成时与when,before,assoonas,till/until等引导时间状语的从句连用，强调动作发生的时间前后。例如：1.她到家之前她的孩子已经睡着了。Whenshegothomeherchildren____________(sleep).hadslept2.在他们到达之前电影已经开始了。Beforetheyarrivedherethefilm_________already___________(start).hadstartedLastnight,assoonasI_______________(finish)myworkIwenttosleep.3.我完成作业了就去睡觉了。hadfinished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’tbeento3.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).hadlefthadstartedhadforgottengothadbegun1.Afterhe______________(finish)hisworkhewentout.hadfinished2.Thechildrenranawayafterthey___________(break)thewindow.hadbroken3.IwenttoTom’shousebuthe__________(go)out.hadgone4.Annietoldmethathisfather____________(go)toParisandhe____________(come)backinafewdays.hadgonewouldcome5.Myfriend__________(buy)thecartwoyearsago.He________________(buy)itfortwoyears.boughthashadListentoMarycontinueherstory.Numberthepictures[1–4]inthecorrectorder.3412Filltheblankswiththecorrectformsoftheverbsinbrackets.Thenlistenagainandcheckyouranswers.1.WhenI________(get)home,Irealiz