一般过去时38083ppt课件

.,课件名称：一般过去时多媒体CAI课件运行平台：Windows98制作软件：MicrosoftPowerPoint2000,.,知识结构,一般过去时,构成,用法,常用时间,动词的过去式,1、表示过去某个时间发生的动作或存在的状态。2、表示过去经常或反复发生的动作。,yesterdaylastnightin1990twodaysago,.,动词过去式的构成,规则动词,不规则动词,构成,读音,.,一、规则动词过去式的构成,构成规则,例词,1、一般在动词原形末尾加edlooklookedplayplayedstartstarted2、结尾是e的动词加-dlivelivedhopehopeduseused,3、末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加ed,stopstoppedplanplannedtriptripped,4、结尾是“辅音字母+y”的动词，先变“y”为“i”再加ed,studystudiedcarrycarried,.,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/,即ed在/t/d/音后面念/id/例：wantedshoutedneededcounted,.,Irregularverbs不规则动词过去式,be(amisare)beginbitebreakbringbuycancatchcomedig,dodrawdrinkdriveeatfallfeelfindflygetgivego,was,were,began,bit,broke,brought,bought,could,caught,came,did,drew,drank,drove,ate,fell,felt,found,flew,got,gave,went,是,开始,咬,打破,带来,买,能、会,抓住,来,做,画,喝,驾驶,吃,感觉,找到,飞,得到，到达,给,去,掉下,常见的,.,growforgetHave、hearhitleavehaslosemakeputreadring,comesayseesellsinggositsleepspeakstandstealdo,grew,had,heard,hit,left,lost,made,put,read,rang,said,saw,sold,sang,sat,slept,spoke,stood,stole,生长，长大,有,听到,打,离开,丢失,制造,放,读,（铃）响,说,看见,卖,唱,去,坐,睡觉,说,站,偷,went,did,做,came,来,had,有,forgot,忘记,.,Irregularverbs,swimtaketellwearwrite,swam,took,told,wore,wrote,游泳,取、拿,告诉,穿，戴,写,二、用法,1、表示过去某个时间发生的动作或存在的状态。Hewashereyesterday.Igotupatsixthirtyyesterdaymorning.Myfatherwasatworkyesterdayafternoon.Didyouhaveagoodtimelastsummer?,2、表示过去经常或反复发生的动作。Myfatheroftenwenttoworkbybuslastyear.WhenIwasachild,Ioftenlistenedtomusic.,.,三、常用时间,常与一般过去时态连用的时间有：,yesterdayyesterdaymorning(afternoon,evening)lastnight(week,month,year)twodaysago,aweekago,threeyearsagoin1990,(in1998),.,四、一般过去式结构（1）,1.be动词的过去式。,be,was,were,e.g.Peterisastudentnow.(lastyear),was,Peterastudentlastyear.,.,一般过去式结构（2）,2.行为动词的过去式。,行为动词,过去式,e.g.Idomyhomeworkeveryday.(lastnight),did,Imyhomeworklastnight.,.,一般过去式结构（3）,e.g.Petergoestoschoolbybus.(yesterday),Petertoschoolbybusyesterday.,went,e.g.Theylikesports.(in1999),Theysportsin1999.,liked,.,五、句型转换（1）,1、行为动词的否定句。,一般现在时,动词前+donot或doesnot，后面动词用原形,e.g.Hegoestoschooleveryday.,e.g.Hedoesnotgotoschooleveryday.,过去式,动词前+didnot,后面动词用原形,e.g.Hewenttoschoolyesterday.,e.g.Hedidnotgotoschoolyesterday.,.,句型转换（2）,2、行为动词的一般疑问句。,一般现在时,将Do或Does放句子前面，其余照写后面动词用原形,e.g.Hegoestoschooleveryday.,e.g.Doeshegotoschooleveryday?,过去式,e.g.Hewenttoschoolyesterday.,e.g.Didhegotoschoolyesterday?,将Did放句子前面，其余照写后面动词用原形,.,六、Exercises：A、将下列句子改在否定句。,Ididmyhomeworkyesterday.Peterwenttoschoolat7:00thismorning.Timplayedfootballlastweek.Hesangasongtwohoursago.TheysawafilmlastSunday.,Ididntdomyhomeworkyesterday.,Peterdidntgotoschoolat7:00thismorning.,Timdidntplayfootballlastweek.,Hedidntsingasongtwohoursago.,TheydidntseeafilmlastSunday.,.,B、将下列句子改为一般疑问句。,Ididmyhomeworkyesterday.Peterwenttoschoolat7:00thismorning.Timplayedfootballlastweek.Hesangasongtwohoursago.TheysawafilmlastSunday.,Didyoudoyourhomeworkyesterday?,DidPetergotoschoolat7:00thismorning?,DidTimplayfootballlastweek?,Didhesingasongtwohoursago?,DidtheyseeafilmlastSunday?,.,C、.划线部分提问1.Theylistenedtotheradiolastnight.Whatdidtheydolastnight?2.Ilikedthebluecar.Whichcardidyoulike?3.Thestudentwateredtheflowersanhourago.Whatdidthestudentwateranhourago?4.Wehadmeatandriceforlunchyesterday.Whatdidyouhaveforlunchyesterday?5.WewenttotheChildrensParklastSunday.WheredidyougolastSunday?6.Thechildcriedforhislostmoney.Whocriedforhislostmoney?,.,7.Iplayedfootballat5oclock.Whattimedidyouplayfootball?8.Hestoleacomputerfromtheshop.Whatdidhestealfromtheshop?9.ThestudentsflewkitesintheparklastSunday.Whendidthestudentflykitesinthepark?10.Isawhimoutsidethestoreroom.Wheredidyouseehim？11.Sheworeabluedress.Whichdressdidshewear？12.Theydidtheirhomeworkfor2hourslastnight.Howlongdidtheydotheirhomeworklastnight?,.,13.TheoldmanoftengoestoAmericabyair.HowdoestheoldmanoftengotoAmerica?14.Shehaslunchattwelveeveryday.Whattime/Whendoesshehaveluncheveryday?15.ThechildrenusuallygototheparksonSu