英语人教版八年级下册Unit5 Section A Grammar focus .ppt

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1、人教版初中英语八年级下册人教版初中英语八年级下册Unit5Whatwereyoudoingwhentherainstormcame?SectionA（3a-3c）永年区第八中学 宁献龙Iwasreading.Whatwereyoudoingwhentherainstormcame?Iwascooking.Iwasinthekitchen.Wherewereyouwhentherainstormcame?Iwasintheliving-room.WhenIHewasdoingWhenIcalledhimup,hewassleeping.Makeupthesentences.WhileIHewas

2、doingWhileIwalkedtoschool,hewaseating.WhenIHewasdoingWhenIreadthenewspaper,hewaswatchingTV.Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.Grammar Focus读读下列句子下列句子,你能你能总结总结出句子中包含的出句子中包含的语语法法吗吗？Whatwashedoingwhentherainstormcame?Hewasrea

3、dinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.when和和while都可表示都可表示“当当的的时候时候”，引导时间状语从句。你知道两，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者在过去进

4、行时中的用法有什么不同吗？when表示表示“当当的时候的时候”。从句中既可用延续性。从句中既可用延续性动词动词,又可用非延续性动词又可用非延续性动词,这些动词既可以这些动词既可以表示动作表示动作,又可表示状态。又可表示状态。从句中的动作既可从句中的动作既可和主句的动作同时发生和主句的动作同时发生,又可在主句的动作之前又可在主句的动作之前或之后发生。或之后发生。如：如：MarywashavingdinnerwhenIsawher.Theboywasstillsleepingwhenhismothergothomeyesterdaymorning.IwaswalkingtoschoolwhenIs

5、awacatinatree.WhenSallyarrivedhome,hermotherwascleaningthehouse.主句的动作是持续性的，而从句动作是主句的动作是持续性的，而从句动作是短暂性的，此时用短暂性的，此时用_引导时间状语从引导时间状语从句，主句用句，主句用_时态，从句用一般时态，从句用一般过去时态。过去时态。过去进行过去进行whenWhileIwassleepinginthebedroom,someoneknockedatthedoor.Davidfellwhilehewasridinghisbike.主句的动作是短暂性的，从句的动作主句的动作是短暂性的，从句的动作是持续

6、性的，此时用是持续性的，此时用_引导从引导从句，主句用句，主句用_时态，从句时态，从句用过去进行时态。用过去进行时态。一般过去一般过去while1.总结总结1)when可指时间点可指时间点,又可指时间段又可指时间段,从句中从句中可用可用延续性动词延续性动词,也可用也可用非延续性动词。非延续性动词。2)while总是指一个时间段总是指一个时间段,从句中从句中必须用延必须用延续性动词续性动词。2.过去进行时过去进行时1.概念概念:表示过去某一时刻或某段时间内正进行的动作。表示过去某一时刻或某段时间内正进行的动作。2.构成构成:was/were+动词现在分词动词现在分词3.用法用法:a:表示某一时刻

7、正进行的行为表示某一时刻正进行的行为,与特定的过去时间状与特定的过去时间状语连用语连用,常见的时间有常见的时间有:at8lastnight,atthistimeatthattime,atthatmoment等等e.g.Whatwereyoudoingat10yesterdaymorning?Iwaswritingalettertomyfatheratthatmoment.b:表示过去某段时间内正进行的动作。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：否定句和疑

8、问句：e.g.Wewerenotsleepingathome.Washefeelingwell?Lookatthetableandwritesentenceswithbothwhileandwhen.4a1.WhileJohnwastakingphotos,Maryboughtadrink.JohnwastakingphotoswhenMaryboughtadrink.2.WhileJohnwasplayingthepiano,Maryleftthehouse.JohnwasplayingthepianowhenMaryleftthehouse.3.WhileJohnwascleaninghi

9、sroom,Maryturnedontheradio.JohnwascleaninghisroomwhenMaryturnedontheradio.4.WhileJohnwasshopping,Marytookthecartothecarwash.JohnwasshoppingwhenMarytookthecartothecarwash.Fillintheblankswithwas,were,whenorwhile.At7:00a.m.,Iwokeup._I_makingmybreakfast,mybrother_listeningtotheradio._Iwaseating,theradio

10、newstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook._wegottotheplaceoftheaccident,thecar_inbadshapefromhittingatree.Butluckilythedriver_fine.Theroads_icybecauseoftheheavysnowfromthenightbefore.WhilewaswasWhileWhenwaswaswere4bWhat were you doing at these times last Sunday?

11、Fill in the chart.Then ask your partner.4cA:WhatwereyoudoingatnineoclocklastSundaymorning?B:Iwassleeping.Howaboutyou?A:Iwasdoingmyhomework.B:Yourekidding!1.What_(be)you_(do)whenhearrived?2.Jim_(sleep)whenIcamein.3.They_(watch)TVat8:00yesterdayevening.4.Nowhe_(read)and_(write).weredoingwassleepingwer

12、ewatchingisreadingwriting用所给词的正确形式填空用所给词的正确形式填空5.Mother_(wash)clotheswhenI_(get)homefromschoolyesterdayafternoon.6.Look,mysister_(be)thereinthebarbershop.Thebarber_(cut)herhair.7.-When_you_(see)theaccident?-I_(see)itfifteenminutesago.waswashinggotisiscuttingdidseesaw5.Mother_(wash)clotheswhenI_(get)

13、homefromschoolyesterdayafternoon.6.Look,mysister_(be)thereinthebarbershop.Thebarber_(cut)herhair.7.-When_you_(see)theaccident?-I_(see)itfifteenminutesago.waswashinggotisiscuttingdidseesawHomework1.口头作业：利用早读，朗读或背诵课文，体会过去口头作业：利用早读，朗读或背诵课文，体会过去进行时的含义和用法。进行时的含义和用法。2.书面作业：书面作业：1）记忆所学单词、短语或重点句型。）记忆所学单词、短语或重点句型。2）FinishofftheexercisesinExerciseBook.