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1、Unit12Lifeisfulloftheunexpected.SectionA1a-2d学习目标Keywords&phrases:unexpected，backpack，oversleep，give…alift，bythetime(that)Keysentences:1.BythetimeIgotup，mybrotherhadalreadygottenintheshower.2.WhenIgothome，IrealizedIhadleftmykeysinthebackpack.ReadandlearnWordsandexpressions新课导入WarmingupDoyouremem
2、beranyunexpectedsituationinyourdailylife?Whatdoyouthinkofthepeopleinthesepictures?Hebrokehisarm.Heisgettinganelectricshock.Whathappenedtotheboy?Lifeisfulloftheunexpected.Iwaslateforworktoday.WhenIgotup,Ifoundmyclockhadrung.Itwas7:30.WhenIwentout,Ifoundthebushadalreadyleft.课文展现1aLookatthepictures
3、.Whathappenedtothegirl?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,someonehadalreadygotteninthebathroom.Sherushedoutthedoor.在……以前Thebushadleftbeforeshegottothestation.Whenshegot
4、toschool,sherealizedshehadleftherbackpackathome.….n.背包；旅行包1.BythetimeIgotup,mybrother_____already_______intheshower.2.BythetimeIgotoutside,thebus_____already______.3.WhenIgottoschool,IrealizedI___________mybackpackathome.1bListentoMarytalkingabouthermorning.Completethesentences.hadgottenhadlefth
5、adleft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。例如：WhenIgotthere,youhadalreadyeatenyourmeal.当我到达那里时，你已经开始吃了。Bythetimehegothere,thebushad
6、left.在他到达那里之前，汽车已经离开了。Practice1cTaketurnsbeingMary.Lookatthepicturesandtalkaboutwhathappenedthismorning.Ioverslept.BythetimeIgotup,mybrotherhadalreadygottenintheshower.Whathappened?So,afterhegotoutoftheshower,Itookaquickshowerandgotdressed.ButbythetimeIwentoutside,thebushadalreadyleft.Oh,whatapa
7、in!Oh,yes!SoIranallthewaytoschool.ButwhenIgottoschool,IrealizedIhadleftmybackpackathome.Oh,no!Nowonderyoulookstressed.2aListentoMarycontinueherstory.Numberthepictures[1-4]inthecorrectorder.43122bFillintheblankswiththecorrect
