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1、Unit5Whatwereyoudoingwhentherainstormcame?SectionA3Grammarfocus-4cWhenI…Hewasdoing…WhenIcalledhimup,hewassleeping.Makeupthesentences.WhenI…Hewasdoing…WhenIwalkedtoschool,hewaseating.WhenI…Hewasdoing…WhenIreadthenewspaper,hewaswatchingTV.Whatwereyoudoingateightlastnight?Iwastaki
2、ngashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.GrammarFocus读下列句子,你能总结出句子中包含的语法吗？Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.Whatw
3、asJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.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+动词-ing过去进行时肯定式：I/He/She/Itwasworking.We/You/They/wereworking.否定式:I/He/She/Itwasnotworking.We/You/They/werenotw
4、orking.3.句式(以work为例)疑问式和简略回答:WasIworking?Yes,youwere.No,youwerenot.Wereyouworking?Yes,Iwas.No,Iwasnot.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
5、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:Davidwrotealettertohisfriendlastnight.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。)根据各题后括号内的要求完成下列各题，每空一词（含缩略形式）。1.Iwasrunningintheparkat7:00yesterdaymorning. (改为一般疑问句并作肯定
6、回答)—________________________intheparkat7:00yesterdaymorning?—________,________________.YesIwasWereyourunning2.IwasflyingkiteswithmyfriendsatthistimelastSunday. (对划线部分提问)________________________________atthistimelastSunday?3.Theywereplayingbasketballfromthreetofouryesterday. (改
7、为否定句)They________________basketballfromthreetofouryesterday.weren’tplayingWhatwereyoudoingwhen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。过去进行时中的when和while①IwaswalkingtoschoolwhenIsawacatinatree.②WhenSallyarrivedhome,hermotherwascleaningthehouse.主句的动
8、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
