英语多媒体课件.ppt

英语多媒体课件,语法训练,过去时,过去时是用来表述过去事情的，在英语里表述过去的事情必须用过去时，过去时是通过动词词尾的变化来实现的。,一般过去时态（TheSimplePastTense)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；也表示过去经常或反复发生的动作，常和表示频度的时间状语连用。2.时间状语：yesterdaylastnightin1990twodaysago等3.频度副词：often,usually,always等eg:Ioftenplayitin1990.,用法,1、表示过去某个时间发生的动作或存在的状态。Hewashereyesterday.Igotupatsixthirtyyesterdaymorning.Shewasatworkyesterdayafternoon.Didyouhaveagoodtimelastsummer?,2、表示过去经常或反复发生的动作。Myfatheroftenwenttoworkbybuslastyear.WhenIwasachild,Ioftenlistenedtomusic.,1)一般情况加-edstaystayed2)以e为接尾的加-dlikeliked3)以辅音字母加y为结尾的去y加-iedstudystudied4)重读闭音节结尾只有一个辅音字母双写这个辅音字母再加-edstopstopped,过去式变化规则,清念/t/,元浊/d/;/t/d/之后念/id/,规则动词词-ed的读音,说明：1、清念/t/，即ed在清辅音后面念/t/,例：finishedhelpedpassedcooked2、元浊/d/,即ed在元音，浊辅音后面念/d/,例：borrowedenjoyedcalledmoved3、/t/d/之后念/id/例：wantedshoutedneededcounted,get-gotgo-wentis-wasare-weretake-tookmake-madesay-saidsee-sawtell-toldbuy-boughtbring-broughtam-was,不规则变化,come-camecan-couldmay-mightleave-leftread-readdo-dideat-atehave-hadwrite-wroteput-putthink-thoughthear-heard,不规则变化,sing-sangbreak-brokemay-mightleave-leftfall-fellfind-foundhas-hadsit-sat,不规则变化,动词过去式,look2.live3.stop4.go5.hope6.trip7.call8.eat9.want10.are11.go12.have13.do14.gete16.say,looked,wanted,stopped,went,hoped,tripped,called,ate,lived,were,went,had,did,got,came,said,17.see18.put,19.write20.take21.read22.buy23.sing24.hear25.make26.fall27.see28.find29.break30.think,动词过去式,巧记动词过去时态,动词一般过去时，表示过去发生事；be用was或用were,have,has变had；谓语动词过去式，过去时间坐标志；一般动词加-ed，若是特殊得硬记。否定句式很简单，主语之后didnt添；疑问句式也不难，did放在主语前；谓语之前有did，谓语动词需还原；动词若是was,were,否定就把not添。,思考？,一般现在时与一般过去时有什么不同呢？,shewaitedforme.,Shewaitsforme.,HewatchesTV.,Itdanceshappily.,Heplaysbasketball.,Shegoestoschool.,HewatchedTV.,Itdancedhappily.,Heplayedbasketball.,Shewenttoschool.,现在与过去,Iamtwelveyearsold.,Iwaselevenyearsold.,HeisinBeijingnow.,HewasinShanghaiyesterday.,TheyareinChinatoday.,TheywereinJapanyesterday.,小结：,Pleaselookatthefollowingsentences,Helikesplayingbasketball.)Heplaysbasketballeveryday.Itrainedyesterday.Hecouldntplaybasketball.)Heplayedping-pongballyesterday.,1)Hetalkedtotheteacheryesterday.2)Wealllikedhimverymuch.3)Tomaskedapolicemanforhelp.4)Ifinishedmyhomeworkatnineoclock.5)Theycleanedtheirclassroomtogetheryesterday.,过去时一般疑问句：Tomlikesbasketball.Doeshelikefootball?Yes,hedoes./No,hedoesnt.Helikedfootballthreeyearsago.Didhelikefootballthreeyearsago?Yes,hedid./No,hedidnt.在过去时中要用did来做助动词。疑问句就是把did放在句首，然后谓语动词要变成原型。,Theyhadameetinglastweek.Everyonewashereyesterday.MissLigottoschooltwentyminutesago.IdidhomeworkonSaturdayafternoon.,Didtheyhaveameetinglastweek?Waseveryonehereyesterday?DidMissLigettoschooltwentyminutesago?DidyoudohomeworkonSaturdayafternoon?,而否定句就是在谓语动词前面加上didnt然后动词变成原型。,Theyhadameetinglastweek.MissLigottoschooltwentyminutesago.IdidhomeworkonSaturdayafternoon.,Theydidnthaveameetinglastweek.MissLididntgettoschooltwentyminutesago.IdidntdohomeworkonSaturdayafternoon.,特殊疑问句的练习:TimplayedfootballlastSundayafternoon.1)WhoplayedfootballlastSundayafternoon?2)WhatdidTimdolastSundayafternoon?3)WhendidTimplayfootball?,过去时的特殊疑问句1)MyparentsstudiedintheUSAWhentheywereyoung.2)ThetwinslearnedChineseinBeijingfortwoyears.,一般过去时态练习用动词的过去式填空,1._you_(remember)tobuytheoranges?2.Who_(invent)thecomputer.3.We_(go)tothecinemalastnight.Thefilm_(be)verygood.4.Whattime_you_(get)toschoolthismorning?5.Jim_(do)alotyesterday.He_(go)shoppingand_(cook)supper.,一般过去时态练习用动词的过去式填空,1.Didyouremember(remember)tobuytheoranges?2.Whoinvented(invent)thecomputer.3.Wewent(go)tothecinemalastnight.Thefilmwas(be)verygood.4.Whattimedidyouget(get)toschoolthismorning?5.Jimdid(do)alotyesterday.Hewent(go)shoppingandcooked(cook)supper.,PRACTISE,改写句子：1、Lucydidherhomeworkathome.（改否定句）Lucy_herhomeworkathome.2、Hefoundsomemeatinthefridge.（变一般疑问句)_he_meatinthefridge?3、Shestayedthereforaweek.（对划线部分提问）_she_there?4、Therewassomeorangeinthecup.（变一般疑问句)_there_orangeinthecup?,didntdoDidfindanyHowlongdidstayWasany,Thatsgreat,用动词的正确形式填空,Ioften_(eat)lunchat12:00lastyear.Didyou_(play)socceryesterday?Lastnight,I_(play)theguitarwithmyfriends.,ate,play,played,4.Arethewoman_(shop)?5.Whocookedsupper?Mother_(do).6.Nobody_(know)whyhesatonachair.7.Look!They_(play)volleyball.,areplaying,knows,did,shopping,8.I_(be)ateachernow,butI_(