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1、Unit5Whatwereyoudoingwhentherainstormcame?SectionA3(Grammarfocus-4c)教学目标：1语言目标：复习巩固过去进行时。2技能目标：让学生掌握由when和while引导的时间状语从句。3情感目标：能过学习本课，培养学生在困境中互帮互助的品质。教学重点单词短语:havealook,icy,kid,takeashower,helpwith,takephotos,playthepiano,turnon,andsoon.句子:1.Whatwere
2、youdoingateightlastnight?Iwastakingashower.2.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.3.Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.4.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,B
3、enwashelpinghismommakedinner.5.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework语法：过去进行时。教学难点: when,while引导的时间状语从句中的过去时和过去进行时课时划分SectionA3(GrammarFocus-4c)。1课时Step1Revision过去进行时1.基本概念：过去进行时表示在过去某一时刻或一段时间内
4、正在进行的动作。这一特定的过去时间除有上下文暗示以外,一般用时间状语来表示。2.结构was/were(not)+动词-ing3.句式肯定式：I/He/She/Itwasworking.We/You/They/wereworking.否定式:I/He/She/Itwasnotworking.We/You/They/werenotworking.疑问式和简略回答:WasIworking?Yes,youwere.No,youwerenot.Wereyouworking?Yes,Iwas.No,Iwas
5、not.Washe/she/itworking?Yes,he/she/itwas.No,he/she/itwasnot.Werewe/you/theyworking?Yes,you/we/theywere.No,you/we/theywerenot.注：1)wasnot常缩略为wasn’t;werenot常缩略为weren’t。2)一般过去时与过去进行时用法的比较:一般过去时表示在过去某个时间发生过的动作或存在的状态,而过去进行时则表示在过去某一时刻或某一段时间正在进行的动作。例如:Davidw
6、rotealettertohisfriendlastnight.大卫昨晚给他的朋友写了封信。(信写完了。)Davidwaswritingalettertohisfriendlastnight.大卫昨晚一直在给他的朋友写信。(信不一定写完。)Practice:1.选择填空2.Lookatthepictureandmakeupthedialogues.(课件附举例)Step2GrammarFocus读下列句子，能否总结出句子中包含的语法？1.Whatwereyoudoingateightlastni
7、ght?Iwastakingashower.2.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.3.Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.4.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommak
8、edinner.5.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.Step3Lookatthepicturesandmakeupthesentences.Step4过去进行时中的when和whilewhen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。①I
