Unit5SectionAGrammarFocus4c課件人教版八年級英語下冊

人教新目標(biāo)GoForIt八年級英語下冊Unit5Whatwereyoudoingwhentherainstormcame？SectionAGrammarFocus-4c21能熟悉并正確運(yùn)用本課時(shí)的重點(diǎn)單詞和短語能夠正確運(yùn)用when和while引導(dǎo)的時(shí)間狀語從句3能掌握kid的用法預(yù)習(xí)檢測1._______Helenwaswalkingonthestreet,shemethermathteacherMr.Lee.

A.While B.Before C.After D.Until2.—Iwasdoingmyhomeworkat11:00o’clocklastnight.—Solate?Youare_______.

A.sleeping B.waiting C.kidding D.working3.Couldyouplease_______theTV?IwanttowatchCCTVnews.

A.open B.close C.turnon D.turndownACC4.YesterdayeveningIwasplayingthepiano_____thedoorbellrang.

A.when B.before C.while D.where5.—Lisa,Icalledyoujustnow.Wherewereyou?—Sorry,I____ashower.A.take B.amtaking C.wastaking D.tookCA新課導(dǎo)入Whatwereyoudoingwhentherainstormcame?Iwas

taking

a

shower.Iwas

sleeping.I

posted

a

notice(通知)

on

the

WeChat

group

at

9:00

pm

last

Saturday,

but

3students

didn’treply.Whatweretheydoingthen?LeadinPresentationRevisionPre-grammarAskandanswer.Whatweretheydoingat6:00p.m.yesterday?ShewaswatchingTVatthatmoment.Hewasdoinghishomeworkatthatmoment.Theywerehavingapicnicatthatmoment.Theywereplayingbasketballatthatmoment.Iwas

cooking.Whatwereyoudoingwhentherainstormcame?Iwas

reading.___________________ateightlastnight?Iwastakingashower.__________________atthetimeoftherainstorm?Shewasdoingherhomework.__________________whentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.GrammarFocusWhatwereyoudoingWhatwasshedoing

Whatwashedoing過去進(jìn)行時(shí)Yang:Iwasdoingmyhomework

at9:00pmlastSaturday.Zhengwas

playingcomputergamesatthattime.Wenandhersisterwerestudying

whenIposted

a

notice.過去進(jìn)行時(shí)1、定義：表示過去_________或_________正在進(jìn)行的動(dòng)作。2、結(jié)構(gòu)：___________________某個(gè)時(shí)刻某段時(shí)間be(was/were)+V-ing探究學(xué)習(xí)Languagepoints過去進(jìn)行時(shí)概念：過去進(jìn)行時(shí)表示在過去某一時(shí)刻或某一時(shí)間段內(nèi)正在進(jìn)行或發(fā)生的動(dòng)作。結(jié)構(gòu)：過去進(jìn)行時(shí)由“was/were＋動(dòng)詞的-ing形式”eg:Peterwasreadingabookinthelibrarywhentherainstormcame.當(dāng)暴風(fēng)雨來臨時(shí)，彼得正在圖書館讀書。知識梳理Languagepoints過去進(jìn)行時(shí)概念：過去進(jìn)行時(shí)表示在過去某一時(shí)刻或某一時(shí)間段內(nèi)正在進(jìn)行或發(fā)生的動(dòng)作。結(jié)構(gòu)：過去進(jìn)行時(shí)由“was/were＋動(dòng)詞的-ing形式”eg:Peterwasreadingabookinthelibrarywhentherainstormcame.當(dāng)暴風(fēng)雨來臨時(shí)，彼得正在圖書館讀書。過去進(jìn)行時(shí)V-ing變化規(guī)律：口訣情況構(gòu)成規(guī)則舉例play-playingwrite-writingrun-runninglie-lying直接加-ing去e加-ing雙寫尾字母加-ingie改為y,加-ing一般不發(fā)音e結(jié)尾重讀輔元輔結(jié)尾ie結(jié)尾直去雙改小試牛刀：read-__________help-__________shop-__________take-___________swim-__________clean-__________leave-__________die-____________readinghelpingshoppingtakingswimmingcleaningleavingdying探究學(xué)習(xí)WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.標(biāo)志：過去進(jìn)行時(shí)的常用時(shí)間狀語：過去進(jìn)行時(shí)常用then(那時(shí)),lastnight(昨晚),atthattime(當(dāng)時(shí)),atthreeyesterday(昨天3點(diǎn)),thewholemorning(整個(gè)上午)，atthistimeyesterday(昨天這個(gè)時(shí)候)等作時(shí)間狀語。eg:Whatwereyoudoingat9:30yesterdayevening?

昨天晚上9:30你在干什么？Itwasrainingheavilyatthistimeyesterday.昨天的這個(gè)時(shí)候雨正下得很大。when/while用法區(qū)別1)*when:既指時(shí)間點(diǎn)，也可指一段時(shí)間while:只表示一段時(shí)間*when引導(dǎo)的時(shí)間狀語從句中的動(dòng)詞可

以是瞬間性動(dòng)詞，也可是延續(xù)性動(dòng)詞

while從句中的動(dòng)詞必須是延續(xù)性動(dòng)詞1)Wewerehavingdinnerwhenthephonerang.2)IlivedinasmallvillagewhenIwasayoungboy.3)Whilemysisterwasdoingtheironing,Icookeddinner.[探究2when和while]1．相同點(diǎn)when和while都可以作從屬連詞。引導(dǎo)時(shí)間狀語從句。都有“當(dāng)……的時(shí)候”的意思。句式構(gòu)成肯定句主語+was/were+現(xiàn)在分詞…否定句主語+was/were+not+現(xiàn)在分詞…一般疑問句Was/Were+主語+現(xiàn)在分詞…?特殊疑問句特殊疑問詞+was/were（＋主語）+現(xiàn)在分詞…?各種句式：eg:Thestudentswerehavingmathclassatthreeyesterdayafternoon.昨天下午3點(diǎn)學(xué)生們正在上數(shù)學(xué)課。Wewerenotplayingbasketballatthattime.那個(gè)時(shí)候我們沒在打籃球。Washeplayingbasketballthistimeyesterday?昨天這個(gè)時(shí)候他正在打籃球嗎？Whatwashedoingatninelastnight?昨天晚上9點(diǎn)他正在做什么？2．不同點(diǎn)（1）引導(dǎo)的時(shí)間狀語從句從句中的謂語動(dòng)詞whenwhile指時(shí)間段，也可以指時(shí)間點(diǎn)可以是延續(xù)性動(dòng)詞，也可以是終止性動(dòng)詞一般指一段時(shí)間表狀態(tài)的延續(xù)性動(dòng)詞用法：1.過去進(jìn)行時(shí)常表示過去某一時(shí)刻或過去某一階段內(nèi)正在進(jìn)行的動(dòng)作。eg:Iwastalkingwithmymotheratthistimeyesterday.昨天的這個(gè)時(shí)候我正和我媽媽聊天。Practice

Fillintheblankswiththeappropriateformofthegivenword.1.Sallytookaphotoofherfriendswhilethey_____________(play)computergames.2.Justaminute!Mybrother___________(wash)hiscarinthegarden.3.—CanPeterplaygameswithus,Mrs.Hawking?—Waitaminute.He_________(take)ashower.4.Myuncle__________(read)booksintheroomatthistimeyesterday.5.Iwasplayingcomputergameswhenmymothercameintomyroom.(同義句轉(zhuǎn)換)

.wereplayingwaswashingistalkingwasreadingWhile/WhenIwasplayingcomputergames,mymothercameintomyroom.PresentationSimplesentences:現(xiàn)在進(jìn)行時(shí)Sheisdrinkingwater.Heissinging.Theyaredancing.過去進(jìn)行時(shí)Shewasdrinkingwater.Hewassinging.Theyweredancing.

過去進(jìn)行時(shí)和When

連用

A

was/were+doing

sthWhen

B+did

sth.

長時(shí)動(dòng)作短時(shí)動(dòng)作過去進(jìn)行時(shí)可表示兩個(gè)動(dòng)作同時(shí)進(jìn)行。eg:WhileIwasdoingmyhomework,mymotherwascooking.當(dāng)我寫作業(yè)時(shí)，我媽媽在做飯。Grammar

1.過去進(jìn)行時(shí)：was/were+V-ing2.when,while引導(dǎo)的時(shí)間狀語從句。Whatwereyoudoingateightlastnight?Iwastakingas