牛津译林版八年级英语下册《Unit1PastandpresentWelcometotheUnit》课件

空白演示在此输入您的封面副标题空白演示在此输入您的封面副标题1UnitOnePastandpresentComicstrip&WelcometotheunitUnitOneComicstrip&WelcometotheLearningaims:1.learnsomethingabouttransportatdifferenttimes2.Learntotalkabouttransportinthepastandatpresent3.Learnsomebasiclanguageaboutpresentperfecttense(现在完成时)Learningaims:1.learnsomethingaInthepast,(在过去)itwasapoorvillage.=Itusedtobeapoorvillage.（过去经常做某事）PresentationInthepast,(在过去)itwasapoorvillaAtpresent,（现在）itbecomesarichcity.Atpresent,（现在）itbecomesarichciOurlivingareashavechangedalot.

WhataboutHoboandEddie?

Ourlivingareashavechangedalot.1.WhatisHobolookingfor?Heislookingforhisfood.2.WhereisHobo’sfood?Eddieateit.Listenandanswer:Listenandanswer:1.WhydidEddieeatHobo’sfood?2.IsHobohappy?3.WhatdoesHobothinkofEddie?4.WhydoesHobethinkso?Readandanswer:Becausehewasveryhungry.No,heisn’t.HethinksEddieisnotkindnow./HethinksEddiehaschanged.BecauseEddiewaskindbefore.Readandanswer:Becausehewasvery1.Eddie,haveyouseenmyfood?Eddie,你看见我的食物了吗？（你知道我的食物在哪儿吗？）baseform原形simplepast过去式pastparticiple过去分词seesawseenhave/has+过去分词[此结构为“现在完成时(presentperfecttense)”,表示过去的动作一直延续到现在，或与现在有一定联系]Somekeypoints(要点):1.Eddie,haveyouseenmyfood?Eddibaseform原形simplepast过去式pastparticiple过去分词eatateeaten2.I’vejusteatenit.（I’ve=Ihave)我刚刚把它吃了。现在完成时:haveeatenbaseformsimplepastpastparticipbaseform原形simplepast过去式pastparticiple过去分词changechangedchanged3.You’vechanged,Eddie.(You’ve=Youhave)你（已经）变了。现在完成时:havechangedbaseformsimplepastpastparticipbaseform原形simplepast过去式pastparticiple过去分词seesawseeneatateeatenchangechangedchangeduseusedusedHaveatry！(想一想，试一试)现在完成时:have/hasusedbaseformsimplepastpastparticipbaseform原形seehave/hasseeneathave/haseatenchangehave/haschangedusehave/hasusedHaveatry！(想一想，试一试)presentperfecttense现在完成时baseformseehave/hasseeneathave1.Eddie,haveyouseenmyfood?2.I’vejusteatenit.（I’ve=Ihave)3.You’vechanged,Eddie.(You’ve=Youhave)baseform原形simplepast过去式pastparticiple过去分词useusedused我已经使用这支钢笔长达两年了。Ithispenfortwoyears.haveusedHaveatry！(想一想，试一试)1.Eddie,haveyouseenmyfood?2.I’Hobo’sfood____inthe_____anhourago.Butitisn’ttherenow.Why?Eddiehasjust____itbecausehewas______.EddiethinksHobohas_______andheisnot_____now.wasbowleatenhungrychangedkindFillintheblanks:Hobo’sfood____inthe_____anhourDanielDanielfoundsomechangesofthetransport(交通工具)inBeijing.HoboandEddiehavechanged.TherearesomechangesinBeijingtoo.DanielDanielfoundsomechangesofcoachItisacomfortablebusforcarryingpeopleoveralongway.transportcoachItisacomfortablebusforcarItisthefastestwayoftravelingtoaplacefaraway,butitwillcostyoualotofmoney.planeItisthefastestwayoftravelingtoThousandsofpeoplegotoworkoniteveryday.Itisfastanditisundertheground.undergroundThousandsofpeoplegotoworkoniteItrunsabovethegroundontracksoveralongway.trainItrunsabovethegroundontracksovIttravelsalongafixedrouteandhasmanystopstoletpeoplegetonandoff.busIttravelsalongafixedrouteandhaItisacarwithadriver,andyouhavetopaythedrivertotakeyousomewhere.taxiItisacarwithadriver,andyouhaveTransportatdifferenttimes______________________________coachbustaxiundergroundtrainplaneTransportatdifferenttimes_____Millieandherdadaretalkingabouttransportatdifferenttimes.Listenandcompletetheform.DadMillieGotoschoolBy____.By____.WhyorWhynottakeabus?Therewere__________peopleandittooka__________towait.It’s_____and_____.bikebustoomanylongtimeeasyfastMillieandherdadaretalkingaboutWorkinpairsandtaketurnstotalkaboutit.Usetheconversationbelowasamodel.A:Howdidyougotoschoolwhenyouwereastudent,Mum/Dad/grandma......B:Iusedtogotoschool......A:Whydidn'tyou......?B:......A:......WorkinpairsandtaketurnstotalkaLanguagepointsLanguagepoints1.Haveyouseenmyfood?解析：此句时态是现在完成时疑问形式。现在完成时由“主语+have/has+动词过去分词形式”构成。它的要义在于表达过去已经发生的事情对现在造成的某种影响，或者，强调过去发生的事情一直持续到现在的状态。它的否定形式为：haven’t/hasn’t+动词过去分词它的疑问形式：把have或者has提到相应主语的前面。1.Haveyouseenmyfood?解析：此句时态是现在Forexample:A:HaveyoustudiedEnglishfortenyears?B:Yes,Ihave.Andyou?A:No,Ihaven’t.B:ThenhowmanyyearshaveyoulearntEnglish?A:Ihavelearntitforeightyears.★haven’t=havenothasn’t=hasnotI’ve=IhaveYou’ve=YouhaveForexample:★haven’t=havenothase.g.I’vejusteatenit.我刚吃了它。You’vechanged.你变了。Shehaslivedherefortenyears.她在这住10年了。—Haveyoufinishedyourhomework?你完成家庭作业了吗？—No,Ihaven’t.不，没有完成。★haven’t=havenothasn’t=hasnotI’ve=IhaveYou’ve=Youhavee.g.★haven’t=havenothasn’t=has2.I'vejusteatenit.我刚才把它吃了。justadv.意为“刚才”常与完成时连用。他们刚刚到达。Theyhavejustarrived.注意：justnow意为“刚才”，相当于“amomentago”通常与一般过去时连用。我刚才去了图书馆。Iwenttothelibraryjustnow.2.I'vejusteatenit.3.Youusedtosharefoodwithme!你过去常与我分享食物！usedtodosth.意为“过去经常做某事，以前常常做某事”，表示过去的习惯。本身已是过去时态，没有人称和数的变化，暗含现在已不再如此。他的父母过去住在乡下。Hisparentsusedtoliveinthecountryside.Tom过去常常早起，不是吗？Tomusedtogetupearly,didn'the?beusedtodoingsth.习惯于做某事我父亲习惯晚饭后读报。Myfatherisusedtoreadingnewspapersafterdinner.3.Youusedtosharefoodwithme!sharev.共用；分享分享某物sharesth和某人分享某物sharesthwithsbsharev.共用；分享1.—你看过这部新电影吗？—没看过。—_____you______thisnewfilm?—No,____________.2.她过去是一名历史老师。She______________ahistoryteacher.3.他们过去常常步行上学。They______________toschool_______.4.我们家乡变化很大。Myhometown_____________alot.二、翻译句子：HaveseenIhaven’tusedtobeusedtogoonfoothaschanged1.—你看过这部新电影吗？—没看过。二、翻译句子：Haves5.presentn.现在，目前atpresentn.礼物4.pastn.意为“过去”。她正在回忆她的过去。Sheisthinkingofherpast.pastadj.意为“过去的”inthepast过去inthepastfewyears在过去的几年中5.present4.pastn.意为“过去”。Tanslation1.我刚刚完成我的作业。2.过去这里有一所老房子。4.我喜欢和朋友分享我的快乐。5.我过去常常帮助李明学英语。Ihavejustfinishedmyhomework.Therewasanoldhous