一般过去时讲解ppt课件

.,SIMPLEPASTTENSE一般过去时,.,IntroductionSimplepaststructure（结构特点）PastverbsHowtouse?Exercise,Content,.,INTRODUCTION一般过去时介绍,.,1.定义：一般过去时态表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状语连用。2.时间状语：yesterday；lastnight；in1990；twodaysago等E.G:1.我昨天七点起床。Igotupat7:00yesterday.2.我爸爸昨天下午在工作。Myfatherwasatworkyesterdayafternoon.3.他去年上班总是坐公共汽车。Healwayswenttoworkbybuslastyear.,.,1.与ago连用：amomenttwominutesthreehoursfivedaysoneweeksixmonthsfouryears,ago,用于一般过去时的时间状语,.,last,timenightweekmonthtermMonday,yesterday,morningafternoonevening,thedaybeforeyesterday,2.与last连用,3.与yesterday连用：,.,4.与one连用：,one,morningeveningdayMondayafternoon,5.与that连用：,that,morningwinterdayyear,.,justnowintheolddaysinthosedaysin1980theotherdayatthattimeonceuponatime,6.其他时间状语：,.,STRUCTURE一般过去时的构成,.,所有时态都是通过动词变化来表现的,E.g.Youareright.一般现在时Iwanttogotoschool.Wearedoingourhouseworknow.现在进行时Thebusisleavingat8:00.,.,be动词(was,were)助动词(did)主语+谓语实义动词(played，worked，talked)Theywerehappy.Heplayedfootball.Youdidyourhomework.,.,VERBS谓语变化,.,1、一般词尾加-ed。staystayedhelp-helpedask-askedlooklooked2、e结尾的只加-d。hopehopedlove-loveddance-dancedlivelived,规则动词过去式的构成,.,3、辅音字母结尾词，重读闭音节先双写，然后才能加-ed。stopstoppedplan(计划)planneddrop-droppedbeg-begged4、“辅音字母+y”尾，y改为i,再加-ed。carry-carriedstudy-studied,.,巧记不规则动词过去式1.中间去e，末尾加t如：keepkept，feelfelt，sleepslept，sweepswept2.结尾d变t如：buildbuilt，lendlent，sendsent，spendspent3.遇见i改为a如：ringrang，sitsat，drinkdrank，singsang，swimswam，beginbegan，givegave,.,4.“骑(马)”“开(车)”“写(字)”把i变o如：riderode，drivedrove，writewrote5.“想”“买”“带来”“打仗”ought换上thinkthought，buybought，bringbrought，fightfought6.“教书”“抓住”aught切莫忘如：teachtaught，catchcaught7.ow/aw改为ew是新时尚如：knowknew，growgrew，throwthrew，drawdrew8.“放”“让”“读”过去式与原形一样如：putput，letlet，readread/red,.,grow-grewknow-knewthrow-threwblow-blewwrite-wrotedrive-droveride-rodeget-gotforget-forgotlend-lentsend-sentspend-spentsay-said*/sed/pay-paidstand-stoodunderstand-understoodlet-letput-putcut-cutread-read*,am,is-wasare-weredo-didgo-wenthave-hadsee-sawcan-couldmay-mightdig-dugeat-atefind-foundmake-madehear-heardrun-rantake-tookhold-heldspeak-spokeleave-left,keep-keptsleep-sleptsweep-swepttell-toldsell-soldbegin-begansing-sangsit-satswim-swamring-ranggive-gavebring-broughtbuy-boughtthink-thoughtteach-taughtcatch-caughtcome-camebecome-became,不规则动词的过去式,.,写出下列动词的过去式：,runborrowgrowwatchwritesmileopenbeginswimcarrystudyfinish,uselivewakekeepsaycleanbuyplaylearnseereadstop,gothinkbehappengivebecomegetrainstaypassanswer,wentthoughtwas/werehappenedgavebecamegotrainedstayedpassedanswered,usedlivedwokekeptsaidcleanedboughtplayedlearnt/edsawreadstopped,ranborrowedgrewwatchedwrotesmiledopenedbeganswamcarriedstudiedfinished,.,一般过去时句式变换,.,1.肯定句：主语+行为动词过去式be动词过去式(was/were)e.g.Weplayedfootballyesterday.Iwasintheofficelastnight.Hecouldntswim10yearsago.2.否定句didnot/didnt+行为动词原形wasnot/wasnt+其他成分werenot/werent+其他成分e.g.Iwasnotintheofficelastnight.IdidntsingasongatKangkangsparty.Ididntplayvideogames.,.,3.一般疑问句did+主语+行为动词原形was/were+主语+其他成分eg.-Didyougoshoppingyesterday?-Yes,Idid./No,Ididnt.-Wasshe15yearsoldlastyear?4.特殊疑问句特殊疑问词+did+主语+行为动词原形特殊疑问词+was/were+主语+其他成分eg.-Didyougoshoppingyesterday?Whenandwherewereyouborn?,.,III.句型转换TheycametoChinain1990.(变一般疑问句)_they_toChinain1990?2.Iwasillfortwodayslastweek?(同上)_youillfortwodayslastweek?3.Thetwinsgotoschoolonfooteveryday.(同上)_thetwins_toschoolonfooteveryday?4.ShewashedtheclotheslastSunday.(变否定句)She_theclotheslastSunday,Did,come,Were,Do,go,didnt,wash,.,5.Sheisgoingtogoshoppingtomorrow.(变否定句)_6.Mymotherlikesherstudents.(变一般疑问句)_7.DoyouwatchTVonSunday?(用lastSunday改写成过去时态的句子)_8.WeiHuaboughtanewpenyesterday.(变否定句)She_anewpenyesterday.,Sheisntgoingtogoshoppingtomorrow.,Doesyourmotherlikeherstudents?,DidyouwatchTVlastSunday?,didnt,buy,.,EXERCISES,.,用括号里动词的适当形式填空。1.He_(read)thatbooklastweek.2.Lastnighthe_(arrive)justintimefortheshow.3.Mary_(marry)Thomasyesterday.4.Tom_(show)uswheretositatthemeetingyesterday.5.Lastsummerwe_(visit)UncleJack.6.It_(rain)almosteverydaylastmonth.7.John_(like)toplaypianowhenhewasinsecondaryschool.8.Betty_(work)hardalllastyear.9.We_(change)thecolorofouruniformslastChristmas.10.LastyearFrances_(buy)hermotheraprettywatchforherbirthday.,read,arrived,married,showed,visited,rained,liked,worked,changed,bought,.,11.They_(notwatch)TVjustnow.12.They_(carry)waterforGrandpaLiuthreedaysago.13.MikeandJack_(make)themodelplanelastmonth.14._yourfriends_(have)agoodtimeintheparkthatday?15.Myfather_(go)toBeijingaweekago.16._Mary_(study)attheNo.1MiddleSchooltheyearbeforelast?17.Hisparents_(notgo)outforawalkaftersupperyesterday.18.Where_(be)MeiFanglastnight?,didntwatch,carried,made,Did,have,went,Did,study,didntgo,was,.,用括号内所给动词的一般过去时填空：I_(have)agooddayatworktoday.Themeeting_(go)wellthismorning.Bob_(notbe)there.He_(oversleep)becausehe_(nothear)thealarm.Lunch_(be)terrible.We_(try)thenewFrenchrestaurantinthetowncenter.Thefood_(taste)awful.ThisafternoonI_(phone)BillinAmerica.He_(tell)mewevegotanewcontractthere.It_(be)anawfuldrivehome.Thetraffic_(be)terrible.,had,went,wasnot,overslept,didnthear,was,tried,tasted,phoned,told,was,was,.,I.改错题HowisJaneyesterday?_Hegetstoschoolatsixyesterday._Heoftengoeshomeat6:00lastmonth._Icanflykitessevenyearsago._Didyousawhimjustnow._TomwasntwatchTVlastnight._Ididmyhomeworklater._Hewaitforyouthreehoursago._Whofinditjustnow?_,was,got,went,could,see,didnt,willdo(amgoingtodo),waited,found,.,根据要求改写下列句子。1.Theyhadameetingyesterday.(改为一般疑问句)2.MrsBlackdoessomecleaningeverySunday.(改为一般疑问句)3.Imgoingtoturnontheradio.(改为否定句)4.TherewerenoclasseslastSaturdayafternoon.(改为反意疑问句)5.Thosestudentsdidtheirbest.(改为否定句)6.ItwasNovember10ththedaybeforeyesterday.（向划线部分提问）7.MybrotherwenttoShanghaithreedaysago.（向划线部分提问）8.Theyaregoingtovisitth