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1、Unit5Whatwereyoudoingwhentherainstormcame?SectionAGrammarFocusWhatwereyoudoingwhentherainstormcame?Iwastakingashower.Iwassleeping.Iwascooking.Iwasreading.Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.GrammarFocusWhatwashe
2、doingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.1.以when和while引导的时间状语从句1)延续性动词和非延续
3、性动词延续性动词指动作可以延续一段时间,而不是瞬间结束。如:work、study、drink、eat等。非延续性动词指动作极为短暂，瞬间结束。如:start、begin、hit、jump、knock等。2)在本单元中,出现了以when和while引导的时间状语从句。when表示“当……的时候”。从句中既可用延续性动词,又可用非延续性动词,这些动词既可以表示动作,又可表示状态。从句中的动作既可和主句的动作同时发生,又可在主句的动作之前或之后发生。如：MarywashavingdinnerwhenIsawher.Theboywasstillsleepingwhenhismo
4、thergothomeyesterdaymorning.while表示“在……的时候”、“在……期间”。从句中必须是表示动作或状态的延续性动词。如：WhilewewereswimmingsomeonestoleourclotheswhileLindawassleeping,jennywasdoingherhomework.总结1)when可指时间点,又可指时间段,从句中可用延续性动词,也可用非延续性动词。2)while总是指一个时间段,从句中必须用延续性动词。1._______Jenniferwasreadingamagazine,hissisterwaslisteni
5、ngtothepopmusic.A.WhileB.WhenC.Whattime2.Iwastryingtodrawacatontheboard_________theteachercamein.(非延续性动词）A.whileB.whenC.whattime3.MybestfriendvisitedmyhousewhileI_______dinnerinthekitchen.A.cookedB.cookingC.wascooking练一练ABC6.—Dickgavemeanote while I______inthelibrary. —Iguesshemadeittos
6、ay“sorry”toyou.(2007黄冈市) A.amreadingB.wasreadingC.reads D.willreadB2.过去进行时1.概念:表示过去某一时刻或某段时间内正进行的动作。2.构成:was/were+动词现在分词3.用法:a:表示某一时刻正进行的行为,与特定的过去时间状语连用,常见的时间有:at8lastnight,atthistimeatthattime,atthatmoment等e.g.Whatwereyoudoingat10yesterdaymorning?Iwaswritingalettertomyfatheratthatmome
7、nt.否定句和疑问句：be动词后加note.g.Wewerenotsleepingathome.Washefeelingwell?当暴风雨来时，他正在图书馆读书。HewasreadinginthelibrarywhentherainstormCame.昨晚八点我正在洗澡。Iwastakingashowerateightlastnight.当Mary在买饮料时，john在拍照。Johnwastakingphotos,whenMaryboughtadrink.当Mary离开家时，join在弹钢琴。joinwasplayingthepiano,
