过去进行时(已改精讲)PPT课件

.,1,过去进行时,ThePastContinousTense,.,2,基本概念：过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。基本结构主语+was/were+doing+其他内容注:doing就是现在分词，词形变化与现在进行时相同,.,3,V-ing变化规则：1）一般加ing.如:play-playing玩watch-watching看2）以不发音的e结尾,去e加ing.如:take-taking拿make-making做come-coming来live-living居住3）重读闭音节，末尾只有一个辅音字母，先双写再加ing。如：run-running跑cut-cutting切swim-swimming游泳sit-sitting坐get-getting获得shop-shopping购物stop-stopping停止win-winning赢put-putting放forget-forgetting忘记begin-beginning开始,.,4,常用的时间状语-判断标志,thismorning,thewholemorning,alldayyesterday,atthattimefromninetotenlastevening,when,while,justnow，at7p.m.lastnight|yesterday,.,5,句型变化,肯定句：主语+was/were+doing+其它否定句:主语+was/were+not+doing+其它一般疑问句:Was/Were+主语+doing+其它特殊疑问句:特殊疑问词+was/were+主语+doing+其它,.,6,1.Iwassingingsongsyesterdaymorning.否定句：_一般疑问句：_2.Theyweredrawingpictureswhentheteachercamein.否定句：_一般疑问句：_3.Shewaswashingthewindowwhenthetelephonerang.否定句：_一般疑问句：_,.,7,按要求转换下列句型。1.WewerehavingaPEclassatfouryesterdayafternoon.（改为否定句）We_aPEclassatfouryesterdayafternoon.2.Katewasreviewingherlessonsateightlastnight.（改为一般疑问句，并做肯、否定回答）_Kate_herlessonsateightlastnight?_,she_._,she_.,.,8,其它用法,.,9,1.过去进行时表示现在主要是为了使语气委婉、客气。如：Iwaswonderingifyoucouldgivemealift.我不知你能否让我搭一下车【注】一般过去时也有类似用法，但比较而言，用过去进行时显得更客气，更不肯定。能否让我搭一下车。,.,10,2.过去进行时表示感情色彩与现在进行时相似，过去进行时也可表示满意、称赞、惊讶、厌恶等感情色彩，也通常与always,forever,continually等副词连用。如：（1）、Theywerealwaysquarrelling.他们老是吵架。（2）、Myfatherwasalwayssmokingwhenhewasyoung.,.,11,3.动词be的过去进行时也可表示过去一时的表现或暂时的状态。比较：Hewasfriendly.他很友好。(指过去长期如此)Hewasbeingfriendly.他当时显得很友好。(指当时一时的表现),.,12,S1:WhatwereyoudoingwhileLiJiewasgettingreadytogoout?S2:IwassleepingwhileLiJiewasgettingreadytogoout.S1:Whatwereyoudoingwhileshewastavellingontheunderground?S2:I_whileshewastravellingontheunderground.,While用法：表示在过去的某个时间，前后两个动作是同时进行的。,如果主要动作和背景动作都是延续的或同时发生的，那么主从句的动词都可用过去进行时,Practice,.,13,When和while用法：描述一件事发生的背景；一个长动作发生的时候，另一个短动作发生。Mybrotherfellwhilehewasridinghisbicycle.Itwasrainingwhentheyleftthestation.,短,短,长,长,过去进行时常与when,while连用，意思是当之时。while后面一般跟延续性动词，常用进行时；when后面既可跟延续性动词，也可跟瞬间动词，常用过去式。,.,14,一般过去时与过去进行时的区别,1、一般过时往往表示某一动作已经完成，而过去进行时却表示动作在持续或未完成。比较：Shewrotealettertoherfriendlastnight.她昨晚给朋友写了封信。(信写完了)Shewaswritingalettertoherfriendlastnight.她昨晚一直在给朋友写信。(信不一定写完),.,15,2、一般过去时表示只做一次动作，而过去进行时却表示动作反复地进行。如：Shewavedtome.她朝我挥了挥手。Shewaswavingtome.她一直朝我挥手。,.,16,3、句中有amomentago之类的短语一般用一般过去时。4、句中有atthistimelastSunday,from8to9yesterday之类的状语一般用过去进行时。过去进行时可以用来代替一般过去时，表示更为偶然而非预定的动作：IwastalkingtoTomtheotherday那天我跟汤姆聊天来着。,.,17,典型的例子,1)Mary_adresswhenshecutherfinger.A.madeB.ismakingC.wasmakingD.makes答案C.割伤手指是已发生的事情，应用过去时。同时，when表时间的同时性，玛丽在做衣服时提供事情发生的背景，因此用过去进行时。,.,18,2)Asshe_thenewspaper,Granny_asleep.read；wasfallingB.wasreading；fellC.wasreading；wasfallingD.read；fell答案B.句中的as=when,while，意为当之时。描述一件事发生的背景时，用过去进行；一个长动作发生的时候，另一个短动作发生。句意为在她看报纸时，奶奶睡着了。句中的fell(fall的过去时)，是系动词，后跟形容词，如：fallsick。,.,19,用所给动词的正确形式填空：Doyouknowwhatthey_(do)thistimeyesterday?They_(have)supperwhenwe_(go)intotheroom.It_(rain)from7to9lastnight.Whenshe_(arrive)I_(telephone)Harry.What_you_(do)yesterdayat7pm?WhenI_(go)downstairs(楼下),they_(eat)breakfast.Whenwearrived,she_(make)somefreshcoffee.Ibrokeaglass,whileI_(cook)thedinner.,.,20,按要求转换下列句型。1.WewerehavingaPEclassatfouryesterdayafternoon.（改为否定句）We_aPEclassatfouryesterdayafternoon.2.Katewasreviewingherlessonsateightlastnight.（改为一般疑问句，并做肯、否定回答）_Kate_herlessonsateightlastnight?_,she_._,she_.,.,21,3.Heraninthepark.（用atthistimeyesterday改写）He_intheparkatthistimeyesterday.4.Theywereplayingcomputergamesatninelastnight.（对划线部分提问）_they_atninelastnight?5.Iwasreadinganovelatthreeyesterdayafternoon.（对划线部分提问）_you_atthreeyesterdayafternoon?,.,22,填入以下单词的正确形式。1Itwaswarm,soI_(take)offmycoat.2Jane_(wait)formewhenI_(arrive).3Suewasnthungry,soshe_(eat)anything.4MybrothercameintothebedroomwhileI_(dance).5_he_(lie)onthegroundatnineyesterdayevening?,took,waswaiting,arrived,ate,wasdancing,Waslying,Exercise:,.,23,6What_Jim_(write)whentheteachercamein?7MikeandI_(play)basketballatthattimeyesterdayafternoon.8Mybrother_(fall)whilehe_(ride)hisbicycleandhurthimself.9IfirstmetLisathreeyearsago.She_(work)ataradioshopatthetime.10.WhenIarrivedathisoffice,he_onthephone.(speak),waswriting,wereplaying,fell,wasriding,wasspeaking,Exercise:,wasworking,.,24,根据汉语提示完成句子。1他们那时不在打排球。They_volleyballatthattime.2当你回来时，他在看电视吗？_he_TVwhenyoucameback?3昨天中午他在哪里等你？_he_foryouatnoonyesterday?4当我离开时，他正在做家庭作业。He_hishomeworkwhenIleft.5正当他们扫地的时候，老师进来了。Whilethey_thefloor,theteachercamein.,wereplaying,Waswatching,Wherewaswaiting,wasdoing,weresweeping,Exercise:,.,25,(1)I_ashoweratthattime.A.haveB.hadC.amhavingD.washaving(2)Asshe_thenewspaper,Granny_asleep.A.read;wasfallingB.wasreading;fellC.wasreading;wasfallingD.read；fell(3)Mary_adresswhenshecutherfinger.A.madeB.ismakingC.wasmakingD.makes,Exercises,D,B,C,.,26,Exercise,I.用所给动词的适当形式填空。1.We_(play)footballwhenitbegantorainheavily.2.Youshouldtellwhatyou_(do)ateightyesterday.3.They_(talk)loudlywhentheteachercame