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1、Unit12Lifeisfulloftheunexpected.SectionA1(1a-2d)一、学习目标：1.语言知识目标：1)能掌握以下单词及短语：unexpected,bythetime,backpack,oversleep,ring,give…alift,2）掌握BythetimeIgotoutside,thebushadalreadyleft.WhenIgottoschool,IrealizedIhadleftmybackpackathome.3)掌握过去完成时时态，结构及用法。2.情感态度价值观目标：能学会合理安排自己的学习和生活，做到守时守信。二、
2、教学重难点1.教学重点：过去完成时的用法,能正确使用由when,before,bythetime引导的时间状语从句表达过去发生的事情。2.教学难点：用过去完成时叙述过去的事件。三、教学过程Ⅰ.Warm-upGreeting.Ⅱ.Lead-inDoyourememberanyunexpectedsituationinyourdailylife?展示几张令人尴尬的图片。Ask:Whatdoyouthinkofthepeopleinthesepictures?Ss:Theylookscared/bad.T:Whathappenedtotheboy?Ss:Hebrokeh
3、isarm.Heisindanger.T:Iwaslateforworktoday.WhenIgotup,Ifoundmyclockhadrung.Itwas7:00.BythetimeIwenttothebathroom,mymotherhadbeenin.SoIhadtowait.WhenIwentout,Ifoundmybikehadbrokendown.(老师讲述自己不愉快的经历，激起学生对一下内容的学习)。Nowlookatthepicture,let’slearnsomethingaboutMary’sbadday。Ⅲ.Presentation1.Wo
4、rkon1a.AskSstolookatthepicturesin1aandask:Whathappenedtothegirl?2.Thinkanddiscussingroup:Whathappenedtothegirl?Possibleanswers:Shegotuplate.Bythetimeshegotup,someonehadalreadygotteninthebathroom.Sherushedoutthedoor.Thebushadleftbeforeshegottothestation.Whenshegottoschool,sherealizedsh
5、ehadleftherbackpackathome.….3.AskSstotellastoryaboutthegirl.Ⅳ.ListeningWorkon1b.1.Listentothetapeof1b.Completethesentences.1.BythetimeIgotup,mybrother_____already_______intheshower.2.BythetimeIgotoutside,thebus_____already______.3.WhenIgottoschool,IrealizedI___________mybackpackathome
6、.2.过去完成时用法：(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：WhenIgothome,youhadalreadyfinishedyourhomework.当我到达家时，你已经完成了作业。Bythetimehe
7、gottoschool,thebellhadrung.在他到达学校之前，铃已经响了。V.PairworkWorkon1c.TaketurnsbeingMary.Lookatthepicturesandtalkaboutwhathappenedthismorning.A:Whathappened?B:Ioverslept.BythetimeIgotup,mybrotherhadalreadygottenintheshower.…VI.Listening1.Listentothetapeforthefirsttimeandfinish2a.ListentoMaryco
8、ntinu
