Unit5Whatwereyoudoingwhentherainstormcame？SectionAGrammarFocus-4c课件人教版英语八年级下册

人教新目标GoForIt八年级英语下册Unit5Whatwereyoudoingwhentherainstormcame？SectionAGrammarFocus-4c1.Isawhiminthelibraryyesterday.He______abookatthattime.A.reads B.isreading C.wasreadingD.willread2.I______inthesupermarketwhenyoucalledme.A.wasshoppingB.amshoppingC.didshoppingD.wentshopping3.Mymother________whileIwasdoingmyhomework.A.cooksB.iscooking C.cooked D.wascookingPreview(预习)1.预习检测：1.icyadj.2.kidv.3.realizev.4.makeone’sway5.havealook6.wakeup7.acaraccident8.rightaway9.inbadshape10.heavysnow11.You’rekidding!12.walkby覆盖着冰的；冰冷的开玩笑认识到；领会；理解费力地前进；前往看一看醒来车祸立刻变形大雪你开玩笑吧！路过Presentation

动词现在分词的变化规则：口诀规则例子直1.一般情况下，直接在动词之后+ing.play--playingstudy--studying去2.以不发音的e结尾的动词，去e再加ing.take--takingdance--dancing双3.重读闭音节的动词，双写尾字母再加ing.cut--cuttingswim--swimming变4.以ie结尾的动词，把ie变为y再加ing.lie--lyingdie--dyingtie--tyingeg:Thestudentswerehavingmathclassatthreeyesterdayafternoon.昨天下午3点学生们正在上数学课。Wewerenotplayingbasketballatthattime.那个时候我们没在打篮球。Washeplayingbasketballthistimeyesterday昨天这个时候他正在打篮球吗？Whatwashedoingatninelastnight昨天晚上9点他正在做什么？GrammarFocus

When和While引导的时间状语从句共同点不同点when都可以引导时间状语从句，意为“当......的时候”引导时间状语从句时，既可以表示时间点，也可以表示时间段；从句中的谓语动词既可以是非延续性动词，也可以是延续性动词.（多用于过去时态）while引导时间状语从句时，从句只表示时间段；从句中的谓语动词必须用延续性动词。（多用于进行时态）Presentation

过去进行时的结构肯定形式否定形式问句形式was/were+doingHewassleepingatthattime.was/were+not+doingHewasnotsleepingatthattime.Was/Were+主语+doingWashesleepingatthattime?___________________ateightlastnight?Iwastakingashower.__________________atthetimeoftherainstorm?Shewasdoingherhomework.__________________whentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.GrammarFocusWhatwereyoudoingWhatwasshedoing

Whatwashedoing过去进行时Grammar

1.过去进行时：was/were+V-ing2.when,while引导的时间状语从句。Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.Whatwashedoing

whentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoing

whenitbegintorainheavily?Whenitbegintorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.句式构成肯定句主语+was/were+现在分词…否定句主语+was/were+not+现在分词…一般疑问句Was/Were+主语+现在分词…?特殊疑问句特殊疑问词+was/were（＋主语）+现在分词…?各种句式：Lookatthetableandwritesentenceswithbothwhileandwhen.4aJohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash洗车处WhileJohnwasplayingthepiano,Maryleftthehouse.JohnwasplayingthepianowhenMaryleftthehouse.____________________________________________________________________________________________________________________________________________________________________________________________WhileJohnwastakingphotos,Maryboughtadrink.JohnwastakingphotoswhenMaryboughtadrink.I

posted

a

notice(通知)

on

the

WeChat

group

at

9:00

pm

last

Saturday,

but

3students

didn’treply.WhatweretheydoingthenLeadinLookandfillintheblanks1.—Whatwereyoudoingateightlastnight—I____________apicture.2.—Whatwashedoingatthetimeof

therainstorm—He____________thedishes.3.—Whatweretheydoingwhenthe

rainstormcame—They______________thelivingroomwhentherainstormcame.wasdrawingwasdoingwerecleaningPresentationRevisionPre-grammarAskandanswer.Whatweretheydoingat6:00p.m.yesterdayShewaswatchingTVatthatmoment.Hewasdoinghishomeworkatthatmoment.Theywerehavingapicnicatthatmoment.Theywereplayingbasketballatthatmoment.Yang:Iwasdoingmyhomework

at9:00pmlastSaturday.Zhengwas

playingcomputergamesatthattime.Wenandhersisterwerestudying

whenIposted

a

notice.过去进行时1、定义：表示过去_________或_________正在进行的动作。2、结构：___________________某个时刻某段时间be(was/were)+V-ing探究学习过去进行时V-ing变化规律：口诀情况构成规则举例play-playingwrite-writingrun-runninglie-lying直接加-ing去e加-ing双写尾字母加-ingie改为y,加-ing一般不发音e结尾重读辅元辅结尾ie结尾直去双改小试牛刀：read-__________help-__________shop-__________take-___________swim-__________clean-__________leave-__________die-____________readinghelpingshoppingtakingswimmingcleaningleavingdying探究学习过去进行时可表示两个动作同时进行。eg:WhileIwasdoingmyhomework,mymotherwascooking.当我写作业时，我妈妈在做饭。用法：1.过去进行时常表示过去某一时刻或过去某一阶段内正在进行的动作。eg:Iwastalkingwithmymotheratthistimeyesterday.昨天的这个时候我正和我妈妈聊天。Fillintheblankswithwas,were,whenorwhile.4bAt7:00a.m.,Iwokeup.______I______makingmybreakfast,mybrother_______listeningtotheradio._______Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook.WhilewaswasWhileWhileJohnwascleaninghisroom,Maryturnedontheradio.JohnwascleaninghisroomwhenMaryturned

ontheradio.WhileJohnwasshopping,Marytookthecartothecarwash.JohnwasshoppingwhenMarytookthecartothecarwash.表示过去的状态、感觉及心理活动的静态动词(如be,like,love,hate,fear,own,hear,see,know,want,notice)可用于一般过去时，但通常不用于进行时。

eg:Ihateditwhenamanspokewithhismouthfulloffood.我讨厌人们说话时口里含着食物。一般过去式和过去进行时的区别过去进行时强调动作在过去某时刻正在进行或持续，而一般过去时表示动作的完成。eg:Hewasdoinghishomeworklastnight.他昨晚在写作业。(不一定写完)Hedidhishomeworklastnight.他昨晚写了他的作业。(已经写完)4cWhatwereyoudoingatthese