when與while引導(dǎo)時(shí)間狀語(yǔ)從句的區(qū)別課件

2013年版英語(yǔ)八下Unit5

過(guò)去進(jìn)行時(shí)

與when、while2013年版英語(yǔ)八下Unit5

過(guò)去進(jìn)行時(shí)

與when、wh1（一）含義及構(gòu)成過(guò)去進(jìn)行時(shí)表示過(guò)去某一時(shí)刻或某一段時(shí)間正在進(jìn)行或發(fā)生的動(dòng)作，其結(jié)構(gòu)為：was/were+v.–ing。I/He/She/Itwas+v-ing…(第一三人稱單數(shù)用was)We/You/They+v-ing…過(guò)去進(jìn)行時(shí)（一）含義及構(gòu)成過(guò)去進(jìn)行時(shí)2（1）過(guò)去進(jìn)行時(shí)的否定句結(jié)構(gòu)為：was/were+not+v.-ing，was與not?？s寫為wasn’t，were與not?？s寫為weren’t。（2）過(guò)去進(jìn)行時(shí)的一般疑問(wèn)句結(jié)構(gòu)為：Was/Were+主語(yǔ)+v.-ing+其他？（3）過(guò)去進(jìn)行時(shí)的特殊疑問(wèn)句結(jié)構(gòu)為：疑問(wèn)詞+was/were+主語(yǔ)+v.-ing+其他？（1）過(guò)去進(jìn)行時(shí)的否定句結(jié)構(gòu)為：was/were+no3（二）用法1.表示過(guò)去某一時(shí)刻或某一段時(shí)間正在進(jìn)行或發(fā)生的動(dòng)作。與過(guò)去某一特定的時(shí)間狀語(yǔ)連用，常見(jiàn)的有：at3o’clockyesterdayafternoon,inthosedays,atthistimeyesterday等。2.表示過(guò)去一個(gè)動(dòng)作發(fā)生時(shí)，另一個(gè)動(dòng)作正在進(jìn)行，持續(xù)時(shí)間長(zhǎng)的動(dòng)作用過(guò)去進(jìn)行時(shí)，常用在while引導(dǎo)的時(shí)間狀語(yǔ)從句中。（二）用法4Ⅰ.用所給詞的適當(dāng)形式填空1.I__________(help)mymotherwithhouseworkatteno’clocklastSunday.2.Thegirl____________(have)apianolessonatthistimeyesterday.過(guò)去進(jìn)行時(shí)的用法washelpingwashavingⅠ.用所給詞的適當(dāng)形式填空過(guò)去進(jìn)行時(shí)的用法washelp53.They___________(talk)aboutthefilmwhentheteachercamein.4.Whilehe__________(wait)forthebus,hereadanewspaper.5.Hesaidhewas______(leave)forShanghaisoon.weretalkingwaswaitingleaving3.They___________(talk)ab6Ⅱ.句型轉(zhuǎn)換1.Katewasdrawingpictureswhenhermothercameback.（改為否定句）Kate_______________pictureswhenhermothercameback.2.Shewasbabysittinghersisteratthistimeyesterday.（改為一般疑問(wèn)句）______she___________hersisteratthistimeyesterday?wasn’tdrawingWasbabysittingⅡ.句型轉(zhuǎn)換wasn’tdrawingWas73.TheywerehavingapartywhenIknockedatthedoor.（就劃線部分提問(wèn)）____________they______whenyouknockedatthedoor?Whatweredoing3.Theywerehavingapartywh8Ⅲ.用when或while填空1.Whatwereyoudoing______theearthquakehappened?2.______Iwasshoppinginthesupermarket,ImetmyfriendNancy.whenWhileⅢ.用when或while填空whenWhile93.Iwassleeping______mycousincametoseeme.4.Mymotherwasdoingthehousework______Iwasdoingmyhomework.5.______thealienwasintheshop,thegirlcalledthepolice.whenwhileWhile3.Iwassleeping______myc10whenandwhileBothofthemmean”當(dāng)……的時(shí)候”.Aretheythesame?No！??！whenandwhileBothofthemmea11when引導(dǎo)的時(shí)間狀語(yǔ)從句可以表示一個(gè)時(shí)間點(diǎn),也可以表示一個(gè)時(shí)間段。從句中可以用短暫性動(dòng)詞,也可以用延續(xù)性動(dòng)詞。從句中的動(dòng)作既可與主句的動(dòng)作同時(shí)發(fā)生，又可在主句的動(dòng)作之前或之后發(fā)生。Itwassnowingwhenwegottotheairport.我們到達(dá)機(jī)場(chǎng)時(shí),天正下著雪。MykeydroppedonthegroundwhenIwaswalkinginthepark.我在公園散步時(shí),鑰匙掉在了地上。

whenwhen引導(dǎo)的時(shí)間狀語(yǔ)從句可以表示一個(gè)時(shí)間點(diǎn),也可以表示一個(gè)12whilewhile引導(dǎo)的時(shí)間狀語(yǔ)從句常指一個(gè)時(shí)間段,從句中的動(dòng)詞必須為延續(xù)性動(dòng)詞。while有時(shí)還可表示主句的動(dòng)作與從句的動(dòng)作同時(shí)發(fā)生。Whilehewasreading,thephonerang.他正在看書(shū)時(shí),電話鈴響了。Somestudentswerereadingwhileotherswerewriting.一些學(xué)生在讀書(shū),另一些學(xué)生在寫字。whilewhile引導(dǎo)的時(shí)間狀語(yǔ)從句常指一個(gè)時(shí)間段,從句中13tips:當(dāng)時(shí)間狀語(yǔ)從句中的動(dòng)作與主句中的動(dòng)作同時(shí)發(fā)生，且從句動(dòng)作為延續(xù)性動(dòng)詞時(shí)，when與while都可以使用。when說(shuō)明從句的動(dòng)作各主句的動(dòng)作可以是同時(shí)發(fā)生，也可以是先后發(fā)生，while則強(qiáng)調(diào)主句的動(dòng)作在從句動(dòng)作的發(fā)生過(guò)程中發(fā)生或者主從句動(dòng)作同時(shí)發(fā)生。tips:當(dāng)時(shí)間狀語(yǔ)從句中的動(dòng)作與主句中的動(dòng)作同時(shí)發(fā)生，且從14tips:通常情況下when能替代while,但while不能替代when.當(dāng)從句和主句都用過(guò)去進(jìn)行時(shí)的時(shí)候，多用while引導(dǎo)。tips:通常情況下when能替代while,但while15(2009四川瀘州)Whatwereyoudoing_____ZhangFancamein?A.whenB.whileC.where【解析】三個(gè)選項(xiàng)分別意為“當(dāng)……時(shí)”、“與……同時(shí)”、“哪里”，結(jié)合題意“當(dāng)張凡進(jìn)來(lái)時(shí)，你正在做什么？”可排除B、C二項(xiàng)，故選A。(2009四川瀘州)Whatwereyoudoi161.What______(be)you______(do)whenhearrived?2.Jim______________(sleep)whenIcamein.3.They_____________(watch)TVat8:00yesterdayevening.4.Nowhe___________(read)and__________.weredoingwassleepingwerewatchingisreadingwritingA.Fillintheblankswiththegivenwords.1.What______(be)you______17B.TranslatethesesentencesintoEnglish.1.上課鈴響時(shí)，你在干什么？What________you______whentheclassbellrang?2.當(dāng)我媽媽進(jìn)來(lái)時(shí)我正在看書(shū)。I______________whenmymothercamein.3.昨天晚上十點(diǎn)鐘她正在做飯。She____________atteno’clock__________________________________.weredoingwasreadingwascookinglastnight/yesterdayeveningB.Translatethesesentencesi184.當(dāng)天開(kāi)始下雨時(shí),孩子們正在玩游戲。Thechildren______________gameswhenit______torain.5.當(dāng)我進(jìn)來(lái)時(shí)，那只貓?zhí)优芰?。Thecat_________whenI________.wereplayingbeganranawaycamein4.當(dāng)天開(kāi)始下雨時(shí),孩子們正在玩游戲。wereplay196.飛機(jī)在倫敦著陸時(shí),天正下著雨。It___________whentheplane________inLondon.7.電話鈴響的時(shí)候,我正在吃早飯。I____________breakfastwhenthetelephone_______.8.琳達(dá)睡覺(jué)時(shí)發(fā)生了什么事？_________________whileLindawassleeping?wasraininglandedwashavingrangWhathappened6.飛機(jī)在倫敦著陸時(shí),天正下著雨。wasraining20Dotheotherexercisesinthispart.Dotheotherexercisesinthis21when與while引導(dǎo)時(shí)間狀語(yǔ)從句的區(qū)別課件222013年版英語(yǔ)八下Unit5

過(guò)去進(jìn)行時(shí)

與when、while2013年版英語(yǔ)八下Unit5

過(guò)去進(jìn)行時(shí)

與when、wh23（一）含義及構(gòu)成過(guò)去進(jìn)行時(shí)表示過(guò)去某一時(shí)刻或某一段時(shí)間正在進(jìn)行或發(fā)生的動(dòng)作，其結(jié)構(gòu)為：was/were+v.–ing。I/He/She/Itwas+v-ing…(第一三人稱單數(shù)用was)We/You/They+v-ing…過(guò)去進(jìn)行時(shí)（一）含義及構(gòu)成過(guò)去進(jìn)行時(shí)24（1）過(guò)去進(jìn)行時(shí)的否定句結(jié)構(gòu)為：was/were+not+v.-ing，was與not?？s寫為wasn’t，were與not?？s寫為weren’t。（2）過(guò)去進(jìn)行時(shí)的一般疑問(wèn)句結(jié)構(gòu)為：Was/Were+主語(yǔ)+v.-ing+其他？（3）過(guò)去進(jìn)行時(shí)的特殊疑問(wèn)句結(jié)構(gòu)為：疑問(wèn)詞+was/were+主語(yǔ)+v.-ing+其他？（1）過(guò)去進(jìn)行時(shí)的否定句結(jié)構(gòu)為：was/were+no25（二）用法1.表示過(guò)去某一時(shí)刻或某一段時(shí)間正在進(jìn)行或發(fā)生的動(dòng)作。與過(guò)去某一特定的時(shí)間狀語(yǔ)連用，常見(jiàn)的有：at3o’clockyesterdayafternoon,inthosedays,atthistimeyesterday等。2.表示過(guò)去一個(gè)動(dòng)作發(fā)生時(shí)，另一個(gè)動(dòng)作正在進(jìn)行，持續(xù)時(shí)間長(zhǎng)的動(dòng)作用過(guò)去進(jìn)行時(shí)，常用在while引導(dǎo)的時(shí)間狀語(yǔ)從句中。（二）用法26Ⅰ.用所給詞的適當(dāng)形式填空1.I__________(help)mymotherwithhouseworkatteno’clocklastSunday.2.Thegirl____________(have)apianolessonatthistimeyesterday.過(guò)去進(jìn)行時(shí)的用法washelpingwashavingⅠ.用所給詞的適當(dāng)形式填空過(guò)去進(jìn)行時(shí)的用法washelp273.They___________(talk)aboutthefilmwhentheteachercamein.4.Whilehe__________(wait)forthebus,hereadanewspaper.5.Hesaidhewas______(leave)forShanghaisoon.weretalkingwaswaitingleaving3.They___________(talk)ab28Ⅱ.句型轉(zhuǎn)換1.Katewasdrawingpictureswhenhermothercameback.（改為否定句）Kate_______________pictureswhenhermothercameback.2.Shewasbabysittinghersisteratthistimeyesterday.（改為一般疑問(wèn)句）______she___________hersisteratthistimeyesterday?wasn’tdrawingWasbabysittingⅡ.句型轉(zhuǎn)換wasn’tdrawingWas293.TheywerehavingapartywhenIknockedatthedoor.（就劃線部分提問(wèn)）____________they______whenyouknockedatthedoor?Whatweredoing3.Theywerehavingapartywh30Ⅲ.用when或while填空1.Whatwereyoudoing______theearthquakehappened?2.______Iwasshoppinginthesupermarket,ImetmyfriendNancy.whenWhileⅢ.用when或while填空whenWhile313.Iwassleeping______mycousincametoseeme.4.Mymotherwasdoingthehousework______Iwasdoingmyhomework.5.______thealienwasintheshop,thegirlcalledthepolice.whenwhileWhile3.Iwassleeping______myc32whenandwhileBothofthemmean”當(dāng)……的時(shí)候”.Aretheythesame?No?。?！whenandwhileBothofthemmea33when引導(dǎo)的時(shí)間狀語(yǔ)從句可以表示一個(gè)時(shí)間點(diǎn),也可以表示一個(gè)時(shí)間段。從句中可以用短暫性動(dòng)詞,也可以用延續(xù)性動(dòng)詞。從句中的動(dòng)作既可與主句的動(dòng)作同時(shí)發(fā)生，又可在主句的動(dòng)作之前或之后發(fā)生。Itwassnowingwhenwegottotheairport.我們到達(dá)機(jī)場(chǎng)時(shí),天正下著雪。MykeydroppedonthegroundwhenIwaswalkinginthepark.我在公園散步時(shí),鑰匙掉在了地上。

whenwhen引導(dǎo)的時(shí)間狀語(yǔ)從句可以表示一個(gè)時(shí)間點(diǎn),也可以表示一個(gè)34whilewhile引導(dǎo)的時(shí)間狀語(yǔ)從句常指一個(gè)時(shí)間段,從句中的動(dòng)詞必須為延續(xù)性動(dòng)詞。while有時(shí)還可表示主句的動(dòng)作與從句的動(dòng)作同時(shí)發(fā)生。Whilehewasreading,thephonerang.他正在看書(shū)時(shí),電話鈴響了。Somestudentswerereadingwhileotherswerewriting.一些學(xué)生在讀書(shū),另一些學(xué)生在寫字。whilewhile引導(dǎo)的時(shí)間狀語(yǔ)從句常指一個(gè)時(shí)間段,從句中35tips:當(dāng)時(shí)間狀語(yǔ)從句中的動(dòng)作與主句中的動(dòng)作同時(shí)發(fā)生，且從句動(dòng)作為延續(xù)性動(dòng)詞時(shí)，when與while都可以使用。when說(shuō)明從句的動(dòng)作各主句的動(dòng)作可以是同時(shí)發(fā)生，也可以是先后發(fā)生，while則強(qiáng)調(diào)主句的動(dòng)作在從句動(dòng)作的發(fā)生過(guò)程中發(fā)生或者主從句動(dòng)作同時(shí)發(fā)生。tips:當(dāng)時(shí)間狀語(yǔ)從句中的動(dòng)作與主句中的動(dòng)作同時(shí)發(fā)生，且從36tips:通常情況下when能替代while,但while不能替代when.當(dāng)從句和主句都用過(guò)去進(jìn)行時(shí)的時(shí)候，多用while引導(dǎo)。tips:通常情況下when能替代while,但while37(2009四川瀘州)Whatwereyoudoing_____ZhangFancamein?A.whenB.whileC.where【解析】三個(gè)選項(xiàng)分別意為“當(dāng)……時(shí)”、“與……同時(shí)”、“哪里”，結(jié)合題意“當(dāng)張凡進(jìn)來(lái)時(shí)，你正在做什么？”可排除B、C二項(xiàng)，故選A。(2009四川瀘州)Whatwereyoudoi381.What______(be)you______(do)whenhearrived?2.Jim______________(sleep)whenIcamein.3.They_____________(watch)TVat8:00yesterdayevening.4.Nowhe___________(read)and__________.weredoingwassleepingwerewatchingisreadingwritingA.Fillintheblankswiththegivenwords.1.What______(be)you______39B.TranslatethesesentencesintoEnglish.1.上課鈴響時(shí)，你在干