新概念英语课件unit20

PastNowHairHeightBuildHobbyHaveIchanged?Report:SurveyWechangeallthetime.I‘vechangedalot.Forexample,Iusedto____,butnowI____.2

ChangethefollowingintoEnglish1．你以前常去那儿吗？

Didyouusetogothere?2．过去我常在晚饭后散步。Iusedtotakeawalkafterdinner.3．他过去不常吃鱼。Hedidn’tusetoeatfish.4．他们过去常唱英文歌。TheyusedtosingEnglishsongs.5．Lily过去是个工人。Lilyusedtobeaworker.6．凯特过去上学常迟到。Kateusedtobelateforschool.Iusedtohasadog.Heusestoplayfootballeveryweekendbuthedoesn'thavetimenow.Didyouusedtogoswimmingwhenyouwereatschool?Ididn'tusetolikingcartoons,butIlovethemnow.Ineverusetolikehotdog.CorrectthesentencesThePastTenseofVerbs5converttheverbstothepasttenseofverbsneed---work---want---1.直接在词尾加-ed。like---live---use---move---2.以不发音的e结尾的在词尾加-d。stop---3.元音字母+辅音字母，双写辅音字母，+-edstudy---carry---marry---play---enjoy---4.以辅音字母+y结尾的动词，y变成i，再加—ed。6PastTenseofIrregularVerbs7YesterdayI_____toschool.TodayIgotoschool.wentButyesterdayI___anaughtyboy.NowIamahandsomeboy.wasButyesterdaywe___naughtyboys.Nowwearehandsomeboys.were1.Anna_______alotoffoodinthesupermarketyesterday.A.buysB.buyedC.boughtD.buy2.Twodaysago,Justin_____backfromschool.A.comedB.comeedC.cameD.camed3.Alicecan______acarwhenshe____twoyearsold.A.drive;wasB.drove;isC.drived;was4.Harry____abighamburgeryesterday.A.eatsB.eatedC.ateD.eattedChoosethecorrectwordsfeel:feeledfeetfeltfellfeelledfly:flyedfliedflewflawfleedput:puttedputputedread:readreadedreaddedride:roderidedriddenrideedsee:seedseelsawsewsell:soldseltselledseldsit:sitsatsitedsittedgive:gavegivedgifedgifChoosethecorrectthepasttenseirregularVERBSbingobuyboughtcomecamedodidam/iswasareweregowentsitsatfeelfeltflyflewputputreadreaddrivedroveeatateseesawriderodeseedriveeatflyfeelbuydocomeputridereadgosellsitSpeedwordsThePastParticiples动词的过去分词的变化：规则变化和不规则变化规则变化:a)一般情况下，在动词后直接加ed,如play---played

work---,park---,finish---b)以“辅音字母+y”结尾的动词,把y变成i再加ed

carry---study---c)以不发音的e结尾的动词，直接加d.phone---skate---live---like---c)以一个辅音字母结尾的动词要双写最后一个辅音字母，再加edstop---，shop---hurry---watch---talk---go---be---enjoy---talk---want---study---stop---like---play---skate---do---写出下列动词的过去分词：passbedodrivefallfindhas/havebeenhas/havefallenhas/havedrivenhas/havedoneHas/havefoundhas/havelosthas/havegonehas/havehadhas/haveknownloseknowhavegohas/haverunhas/havesoldhas/havespokenhas/havetaughthas/havemademakesellrunspeakhas/havewrittenteachwriteStory-tellingtimeDebbie22023/12/30BecauseDebbie2haddone

manyterriblethingsbeforeshewenttojail.2023/12/30Debbie2

hadput

afrogonGuo'sbedbeforeshegotup.2023/12/30Debbie2

hadputalotofsaltinGuo'scoffee

beforeshewenttoschool.2023/12/30Guowassick.2023/12/30Debbie2

had_____alotofmoneyonGuo’stablebefore

she_____out.foundwentfind2023/12/30Debbie2

had________themoneyonthetablebefore

she_______out.takenwenttake2023/12/30Debbie2

________alotoffood

after

she___________themoney.takenboughthad2023/12/30Debbie2

_______thecarafter

she______

______thefood.haddrovebought2023/12/30ThenDebbie2ranaway.2023/12/30她在绿灯亮之前就跑过去。Shehadrun

beforethetrafficlightturnedgreen.2023/12/30她在绿灯亮之前就开过去。Shehaddriventhecarbeforethe

trafficlightturnedgreen.2023/12/30bump她回到家之前撞到了人。Shehadbumpedamanbeforeshearrivedherhouse.2023/12/30

Debbie2ranaway.2023/12/30她逃进森林之前警察找到了她。Thepoliceman

hadfoundherbeforesheran

intotheforest.But,2023/12/302023/12/30过去完成时(ThePastPerfect)Debbie2hadfoundthecarbeforesheleftthepark.定义：表示过去某一时间或动作以前已经完成了的动作。S.bhaddone______befores.bdid________.Debbie2boughtalotoffoodaftershehadtakenthemoney.S.bdid______afters.bhaddone________.“过去的过去”readknowthehomeworkcleanWCdrivetoparkrunbrushteethwriteawordhaveanapplesellpeopleplayyoyoShehad_____beforeshedidhomework.2023/12/30Listenandchange1.ViviwenttoW.Cafter________________________.2.Davidcaughtapolicemanafter_______________.3.Iwenttothesupermarketafter________________.4.Theyhadanappleafter______________________.5.Jasonphonedafriendafter___________________.2023/12/30Writeastory（根据图片写故事，要用上过去完成时哦）2023/12/30There'salwaysafirsttime2023/12/30doorbell2023/12/30wedding2023/12/30homemovieamoviemadeathome2023/12/302023/12/30Listenandfindthesentenceswith