过去进行时讲解

过去进行时过去进行时：Iwaswalkingdownthestreetwhenitbegantorain.WhenitbegantorainIwaswalkingnowIwaswalkingdownthestreetwhenitbegantorain.Iwasnotwalkingdownthestreetwhenitbegantorain.Wereyouwalkingdownthestreetwhenitbegantorain?•1关键词：was/weredoing•2、句子结构：•肯定句：主语+was/were+现在分词+其他•否定句：主语+wasnot/werenot+现在分词+其他•疑问句：was/were+主语+现在分词+其他•⑴肯定句：主语+was/were+(doing)+其他.•Iwasplayingbasketballat6:30yesterday.•Hewasplayingthepianoatthatmoment.•Theyweredoinghomeworkat8:00lastnight(2)否定句：主语+was/were+not+（doing）+其他•Iwasn’tplayingbasketballat6:30yesterday.•Hewasn’tplayingthepianoatthatmoment.•Theyweren’tdoinghomeworkat8:00lastnight.⑶一般疑问句：Was/Were+主语+(doing)+其他•Wereyouplayingbasketballat6:30yesterday?---Yes,Iwas./No,Iwasn’t.•Washeplayingthepianoatthatmoment?---Yes,hewas./No,hewasn’t.⑷特殊疑问句：特殊疑问词+一般疑问句•Whatwereyoudoingat8:00pmyesterday?•Wherewasheworkingatthattime?•3、标志性词语•（1）atthattime.atthatmoment.yesterdayevening•（2）以when引导的谓语动词是一般过去时的时间状语II:用法•1.表示过去某一时刻正在进行的动作。•今天下午5点的时候，他在打篮球。Hewasplayingbasketballat5thisafternoon.当我进去的时候，她正在写一篇作文。ShewaswritingacompositionwhenIentered.2.表示过去一段时间内持续进行的动作。昨天夜里下了一夜的雪。Itwassnowinglastnight.比较：Itwassaidthatshewaswritinganovellastyear.Itwassaidthatshewroteanovellastyear.据说，她去年一直在写一本小说。0据说，她去年写了一本小说。3.常用于介绍故事的背景。（一）OnceanJackwastravelinginthedesert.（二）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（长动作用过去进行时，短动作用一般过去时）。也可以表示两个动作同时发生，此时均用过去进行时•WhenIsawhimhewascleaninghisroom.•Whilehewaswaitingforthebus,hewasreadinganewspaper.•HewascleaninghiscarwhileIwascooking.4.When/While“当……的时候”的区别•①when既指时间点，也可指段时间，while只指段时间，因此when引导的时间状语从句中的动词可以是短暂性动词，也可以是延续性动词，而while从句中的动词必须是延续性动词。Iwaslisteningtothemusicwhenshecamehere.Iwaslisteningtothemusicwhileshecamehere.•②when说明从句的动作和主句的动作可以是同时，也可以是先后发生；while则强调主从句动作同时发生。•Theyweresingingwhileweweredancing.•③when和while还可作并列连词。when表示“在那时”；while表示“而，却”，表对照关系。如：•a.Thechildrenwereplayingwhentheyheardthesoundofamotorbike.•b.Heisstrongwhilehisbrotherisweak.•5.通常不能用于过去进行时的动词主要有：agree,be,believe,belong,care,forget,hate,have(拥有),hear,know,like,love,mean,mind,notice,own,remember,seem,suppose,understand,want,wish等。例如：•Iwasknowingtheanswer.Iknewtheanswer.•Iwasn’tunderstandinghim.•Ididn’tunderstandhim.一般过去时1.一般过去时表示一个动作或情况在过去某个的时间开始和结束.Iwalkedtoschoolyesterday.Iboughtanewcarthreedaysago.nowwalked,bought2.表示过去经常性的动作或情况。Ioftengotupat6:00lastyear.英语动词的四种形式：1、原形learn2、过去形式learned3、过去分词learned4、现在分词learning动词的一般过去形式：1.listen—listened2.study---studied3.stop-----stopped4.come----came二、一般过去时态的构成•Be动词:•(1)肯定句:主语+be动词的过去式（was,were）+…•(2)否定句：主语+be动词的过去式（was,were）+not…•(3)疑问句：be动词的过去式（was,were）+主语…？•实意动词：•(1)肯定句：主语+动词过去式+其他•(2)否定句：主语+didnot+动词原形+其他•(3)一般疑问句：Did+主语+动词原形+其他Forexample•Shewasateacherfiveyearsago.•Shewasnotherelastmonth.•Wasshetherelastnight?•Iwalkedtoschoolyesterday.•Ididn’twalktoschoolyesterday.•Didyouwalktoschoolyesterday?三、标志性词语•(1)yesterday,thedaybeforeyesterday,yesterdaymorning(evening,afternoon)•(2)lasttimelastterm,lastFriday,,lastmonth(3)2hoursago,aweekago,3yearsago•(4)justnow=amomentago•(5)in1989•(6)attheageof5,oneday,longlongago,onceuponatime•(7)inthepast用一般过去时或过去进行时填空。1.Idon’twanttogotothezootodaybecauseitisraining.Thesamethinghappenedyesterday.I(want,not)____togotothezoobecauseit(rain)____.didn’twant,wasraining2.I(call)____Rogeratninelastnight,buthe(be,not)____athome.He(study)____atthelibrary.called;wasnot;wasstudying3.I(hear,not)___thethunderduringthestormlastnightbecauseI(sleep)____.didn’thear;wassleeping4.Mybrotherandsister(argue)____aboutsomethingwhenI(walk)____intotheroom.werearguing;walked6.WhileMrs.Emerson(read)____thelittleboyastory,he(fall)____asleep,soshe(close)_____thebookandquietly(tiptoe)____outoftheroom.wasreading,fell,closed,tiptoedWritingpractice:假设你目击一起交通事故。警察局让你写一份材料，报告当时所见情况。根据下列图画写出几个句子来描述当时的情景。7.----Nancyisnotcomingtonight.----Butshe____!A.promisesB.promisedC.willpromiseD.hadpromised链接高考：8.Shirley___abookaboutChinalastyearbutIdon’tknowwhethershehasfinishedit.A.haswrittenB.wroteC.hadwrittenD.waswriting9.IfirstmetLisathreeyearsago.She___ataradioshopatthetime.A.hasworkedB.wasworkingC.hadbeenworkingD.hadworked10.Idon’tthinkJimsawme;he___intospace.A.juststaredB.wasjuststaringC.hasjuststaredD.hadjuststared11.Asshe____thenewspaper,Granny____asleep.A.read;wasfallingB.wasreading;fellC.wasreading;wasfallingD.read;fell12.---Youphonenumberagain?I____quitecatchit.---It’s9568442.A.didn’tB.couldn’tC.don’tD.can’t13.---Wecouldhavewalkedtothestation,itwassonear.----Yes,ataxi___atallnecessary.A.wasn’tB.hadn’tbeenC.wouldn’tbeD.won’tbe14.Tom___intothehousewhennoone___.A.slipped,waslookingB.hadslipped,lookedC.slipped,hadlookedD.wasslipped,looked15.ThereportersaidtheUFO_____easttowestwhenhesawit.A.traveledB.wastravelingC.hadbeentravelingD.wastotravel16.---Hey,lookwhereyouaregoing!---Oh,I’mterriblysorry._____.A.I’mnotnoticingB.Iwasn’tnoticingC.Ihaven’tnoticeD.Idon’tnotice17.Whatanicebike!Where___you___it?A.do;buyB.have;boughtC.did;buyD.will;buy18.Thestudents___busilywhenMissBrownwenttogetabookshe___intheoffice.A.hadwritten;leftB.werewriting;hasleftC.hadwritten;hadleftD.werewriting;hadleft19.Mary__