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1、Unit5 Whatwereyoudoingwhen therainstormarrived?Period3SectionA4a-4c&Grammarfocus学习目标1.重点词汇及短语的用法havealook,icy,realize2.继续学习如何使用过去进行时。3.能够正确使用when和whileWhatwereyoudoingwhentherainstormcame?Iwastakingashower.Iwassleeping.Iwascooking.Whatwereyoudoingwhentherains
2、tormcame?Iwascuttinghair.Iwasreading.Whatwereyoudoingwhentherainstormcame?IwaswatchingTV.Zx.xkIwasinthebathroom.Wherewereyouwhentherainstormcame?Iwasinthebedroom.Iwasinthekitchen.Wherewereyouwhentherainstormcame?Whatwereyoudoingateightlastnight?Iwastakingasho
3、wer.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.读下列句子,你能总结出句子中包含的语法吗？Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.What
4、wasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.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。从句常用一般过去时。2)while总是指一个时间段,从句中必须用延续性动词。从句常用进行时。1.以when和while引导的时间状语从句注意：如果强调从句和主句的动作同时发生，两句都用过去进行时，则多用while。如Theyweresingingwh
5、ileweweredancing.延续性动词和非延续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.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,attha
6、tmoment等e.g.Whatwereyoudoingat10yesterdaymorning?Iwaswritingalettertomyfatheratthatmoment.b:表示过去某段时间内正进行的动作。e.g.Wewerebuildingahouselastwinter.Theywerewaitingforyouyesterday.否定句和疑问句：e.g.Wewerenotsleepingathome.Washefeelingwell?Lookatthetableandwritesentencesw
7、ithbothwhileandwhen.JohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash4ae.g.WhileJohnwastakingphotos,Maryboughtadrink.JohnwastakingphotoswhenMaryboughtadrink.WhileJohnwasplayingthepiano,Maryleftthehouse.Jo
8、hnwasplayingthepianowhenMaryleftthehouse.WhileJohnwascleaninghisroom,Maryturnedontheradio.JohnwascleaninghisroomwhenMaryturnedontheradio.WhileJohnwasshopping,Marytookthecartothecarwash.Jo
