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1、Unit12 Lifeisfulloftheunexpected.SectionA1a–2cWarmingupDoyourememberanyunexpectedsituationinyourdailylife?Whatdoyouthinkofthepeopleinthesepictures?Theylookscared/sad…Iwaslateforworktoday.WhenIgotup,Ifoundmyclockhadrung.Itwas7:30.WhenIwentout,Ifoundthebushadalreadyleft.1aLookatthepi
2、ctures.Whathappenedtothegirl?Tina’sBadDayShewokeuplate.Shewantedtousethebathroombutsomeonewasinthebathroom.TellastorySherantocatchthebus.Thebushadjustleft.Shegottoschoolandrealizedshehadleftherbagathome.1bBythetimeIgotup,mybrotheralreadyintheshower.2.BythetimeIgotoutside,thebusalre
3、ady.3.WhenIgottoschool,IrealizedImybackpackathome.gottenhadhadhadleftleftTask1:listenandfillintheblanks.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
4、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____________。观察与思考：过去的过去过去完成时had+过去分词在…时候过去式Igothomenow现在9:00pm8:00pmMylittlebrotherwenttobedBythetimeIgothome,mylittlebrotherhadgonetobedpast过去过去的过去过去完成时过
5、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。2aNumberthepictures1-4inthecorrectorder.12342b1.WhenI(gethome),I(realize)I(leave)
6、mykeysinthebackpack.2.BythetimeI(get)backtoschool,thebell(ring).3.BythetimeI(walk)intoclass,theteacher(start)teachingalready.gothomegothadrungwalkedhadstartedrealizedhadleftFillintheblankswiththecorrectverbforms,finish2b.RetellthisstoryaboutMary.Task2oversleptgotuphadtakenashowergo
7、toutsidehadleftrantoschoolgottoschoolrealized,hadleftherbackpackMary'sbadmorning.ranbacktoschoolwithout…gotbacktoschoolbellhadrungwalkedintoclasshadstartedteachinggothomerealized,hadleftkeysWhateverweface,weshouldsmileeveryday.Thankyou
