人教版八（下）Unit5 Section A gr-4c

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1、Unit5Whatwereyoudoingwhentherainstormcame?SectionAGrammarfocus-4c沙市第十一中学梁静教学目标：1.语言目标：能掌握过去进行时的构成和用法。2.技能目标：能听懂有关过去发生事件，能简单描写过去发生的事件。3.情感目标：能通过学习本课，培养学生在困境中互帮互助的品质。教学内容：单词短语:havealook,icy句子:1.Whatwereyoudoingateightlastnight?Iwastakingashower.2.Whatwasshe

2、doingatthetimeoftherainstorm?Shewasdoingherhomework.3.Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.4.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.5.WhatwasJennydoingwhileLindawa

3、ssleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework教学重点：过去进行时的构成和时间状语以及它的用法教学难点: when,while引导的时间状语从句教学过程：Step1GreetingsGreetstudentsanddividestudentsintosixgroupstohaveacompetition.Step2Presentation1.Lookattheappletree,makestudentsreviewthe

4、fourrulesofP.P2.AskstudentstofindmoreP.Pinthepassageonpage35,theaskstudentsthequestion:WhentouseP.P?3.Whentousethepastcontinuoustense?Askstudentsreadmoresentencesingrammarfocus,andunderlinethetimeofadverbial.Askstudentstoconcludethestructureofpastcontinuo

5、ustense.1.Aguessinggame.Whatweretheydoing?Thenlookatthesentencesandwritedownstructuresoffoursentencepatterns.2.Watchavideoonstudents’pad,learnthedifferencesbetween“when”and“while”when和while都可表示“当……的时候”，引导时间状语从句。你知道两者在过去进行时中的用法有什么不同吗？请仔细观察下面的例句，然后补全空格中的内容。

6、①IwaswalkingtoschoolwhenIsawacatinatree.②WhenSallyarrivedhome,hermotherwascleaningthehouse.主句的动作是持续性的，而从句动作是短暂性的，此时用_______引导时间状语从句，主句用_____________时态，从句用一般过去时态。③WhileIwassleepinginthebedroom,someoneknockedatthedoor.④Davidfellwhilehewasridinghisbike.主句的动作

7、是短暂性的，从句的动作是持续性的，此时用_________引导从句，主句用____________时态，从句用过去进行时态。⑤WhileAndywaswaitingforthebus,hewasreadinganewspaper.⑥HewascleaninghiscarwhileIwascooking.主句和从句的动作在过去的某时刻或某段时间同时发生，而且动作都是持续性的，此时用_________引导从句，而且主句和从句都用_____________时态。Step3Practice1.Doexercise

8、inactivity4aLookatthetableandwritesentenceswithbothwhileandwhen.JohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash1.Doexerciseinactivity4bFillintheblankswithwas,