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1、Unit5湖北十堰鄖陽區(qū)青曲中學楊霞GrammarFocus—4cSectionA【學習目標】知識技能目標?掌握并靈活運用本課的重點詞匯icykid?重點短語wakeup,havealook,inbadshape,thenightbefore,?重點語法:過去進行時的用法;when與while引導的時間狀語從句?學會講故事Tellastory;學會談論難以忘記的事情Talkaboutpastevents情感態(tài)度目標?在困難時期應該互相幫助Whatwereyoudoingat9o’clocklastni
2、ght?Iwasdoingsomehousework.Iwashavingdinner.Askandanswer.Whatwereyoudoingbetween7o’clockand9o’clockyesterday?Iwasdoingmyhomework.IwaswatchingTV.Whatwasyourfatherdoingwhenyoucamebackhomeyesterday?Hewascooking.Whatwasyourbrotherdoingwhenyousawhimhalfanhou
3、rago?Hewasplayingcomputergames.WhatwasTomdoingatthattimelastSunday?Hewasplayingthepiano.Hewasridingabike.HowaboutDavid?Whatweretheydoingatthattimelastweek?Theywereshopping.Howaboutthem?Theywerehavingapicnic.【課堂探究】請讀并觀察GrammarFocus中的句Whatdidyoufind?(你發(fā)現(xiàn)了
4、什么?)________________________Bothofthemmean“當……的時候”.Aretheythesame?No?。。henandwhile【繼續(xù)探究】Whatarethedifferences?區(qū)別whenwhen引導的時間狀語從句可以表示一個時間點,也可以表示一個時間段。從句中可以用短暫性動詞,也可以用延續(xù)性動詞。Itwassnowingwhenwegottotheairport.我們到達機場時,天正下著雪。MykeydroppedonthegroundwhenIwasw
5、alkinginthepark.我在公園散步時,鑰匙掉在了地上。while引導的時間狀語從句常指一個時間段,從句中的動詞常為延續(xù)性的。while有時還可表示主句的動作與從句的動作同時發(fā)生。Whilehewasreading,thephonerang.他正在看書時,電話鈴響了。Somestudentswerereadingwhileotherswerewriting.一些學生在讀書,另一些學生在寫字。while1)若從句是一個短暫性動作,主句是一個持續(xù)性動作,可用when但不用while:Itwasra
6、ininghardwhenwearrived.我們到達時正下著大雨。2)表示主、從句正在進行的動作或狀態(tài)的對比時多用while:Whileshewasmakingaphonecall,Iwaswritingaletter.when和while的區(qū)別3)when可用作并列連詞,表示“這時(突然)”,但while不可以;while可以用作并列連詞,表示“而、卻”(表示對比),但when沒有這種用法。Wewereaboutto(打算)startwhenitbegantorain.Helikescoffee,
7、whileshelikestea.1.Iwassleeping______mycousincametoseeme.2.Mymotherwasdoingthehousework______Iwasdoingmyhomework.3.______thealienwasintheshop,thegirlcalledthepolice.whenwhileWhile知識點撥WhatdoyouknowaboutPastprogressiveTense(過去進行時)?你對過去進行時知多少?1.定義:2.結(jié)構(gòu):3.標
8、志詞:4.句型:5.過去進行時與一般過去時的區(qū)別:4aLookatthetableandwritesentenceswithbothwhileandwhen.WhileJohnwastakingphotos,Maryboughtadrink.JohnwastakingphotoswhenMaryboughtadrink.WhileJohnwasplayingthepiano,Maryleftthehouse./Johnwasplayingthepiano