牛津譯林版八年級英語下冊《Unit1PastandpresentWelcometotheUnit》課件

空白演示在此輸入您的封面副標(biāo)題UnitOnePastandpresentComicstrip&WelcometotheunitLearningaims:1.learnsomethingabouttransportatdifferenttimes2.Learntotalkabouttransportinthepastandatpresent3.Learnsomebasiclanguageaboutpresentperfecttense(現(xiàn)在完成時)Inthepast,(在過去)itwasapoorvillage.=Itusedtobeapoorvillage.（過去經(jīng)常做某事）PresentationAtpresent,（現(xiàn)在）itbecomesarichcity.Ourlivingareashavechangedalot.

WhataboutHoboandEddie?

1.WhatisHobolookingfor?Heislookingforhisfood.2.WhereisHobo’sfood?Eddieateit.Listenandanswer:1.WhydidEddieeatHobo’sfood?2.IsHobohappy?3.WhatdoesHobothinkofEddie?4.WhydoesHobethinkso?Readandanswer:Becausehewasveryhungry.No,heisn’t.HethinksEddieisnotkindnow./HethinksEddiehaschanged.BecauseEddiewaskindbefore.1.Eddie,haveyouseenmyfood?Eddie,你看見我的食物了嗎？（你知道我的食物在哪兒嗎？）baseform原形simplepast過去式pastparticiple過去分詞seesawseenhave/has+過去分詞[此結(jié)構(gòu)為“現(xiàn)在完成時(presentperfecttense)”,表示過去的動作一直延續(xù)到現(xiàn)在，或與現(xiàn)在有一定聯(lián)系]Somekeypoints(要點):baseform原形simplepast過去式pastparticiple過去分詞eatateeaten2.I’vejusteatenit.（I’ve=Ihave)我剛剛把它吃了?，F(xiàn)在完成時:haveeatenbaseform原形simplepast過去式pastparticiple過去分詞changechangedchanged3.You’vechanged,Eddie.(You’ve=Youhave)你（已經(jīng)）變了。現(xiàn)在完成時:havechangedbaseform原形simplepast過去式pastparticiple過去分詞seesawseeneatateeatenchangechangedchangeduseusedusedHaveatry！(想一想，試一試)現(xiàn)在完成時:have/hasusedbaseform原形seehave/hasseeneathave/haseatenchangehave/haschangedusehave/hasusedHaveatry！(想一想，試一試)presentperfecttense現(xiàn)在完成時1.Eddie,haveyouseenmyfood?2.I’vejusteatenit.（I’ve=Ihave)3.You’vechanged,Eddie.(You’ve=Youhave)baseform原形simplepast過去式pastparticiple過去分詞useusedused我已經(jīng)使用這支鋼筆長達兩年了。Ithispenfortwoyears.haveusedHaveatry！(想一想，試一試)Hobo’sfood____inthe_____anhourago.Butitisn’ttherenow.Why?Eddiehasjust____itbecausehewas______.EddiethinksHobohas_______andheisnot_____now.wasbowleatenhungrychangedkindFillintheblanks:DanielDanielfoundsomechangesofthetransport(交通工具)inBeijing.HoboandEddiehavechanged.TherearesomechangesinBeijingtoo.coachItisacomfortablebusforcarryingpeopleoveralongway.transportItisthefastestwayoftravelingtoaplacefaraway,butitwillcostyoualotofmoney.planeThousandsofpeoplegotoworkoniteveryday.Itisfastanditisundertheground.undergroundItrunsabovethegroundontracksoveralongway.trainIttravelsalongafixedrouteandhasmanystopstoletpeoplegetonandoff.busItisacarwithadriver,andyouhavetopaythedrivertotakeyousomewhere.taxiTransportatdifferenttimes______________________________coachbustaxiundergroundtrainplaneMillieandherdadaretalkingabouttransportatdifferenttimes.Listenandcompletetheform.DadMillieGotoschoolBy____.By____.WhyorWhynottakeabus?Therewere__________peopleandittooka__________towait.It’s_____and_____.bikebustoomanylongtimeeasyfastWorkinpairsandtaketurnstotalkaboutit.Usetheconversationbelowasamodel.A:Howdidyougotoschoolwhenyouwereastudent,Mum/Dad/grandma......B:Iusedtogotoschool......A:Whydidn'tyou......?B:......A:......Languagepoints1.Haveyouseenmyfood?解析：此句時態(tài)是現(xiàn)在完成時疑問形式。現(xiàn)在完成時由“主語+have/has+動詞過去分詞形式”構(gòu)成。它的要義在于表達過去已經(jīng)發(fā)生的事情對現(xiàn)在造成的某種影響，或者，強調(diào)過去發(fā)生的事情一直持續(xù)到現(xiàn)在的狀態(tài)。它的否定形式為：haven’t/hasn’t+動詞過去分詞它的疑問形式：把have或者has提到相應(yīng)主語的前面。Forexample:A:HaveyoustudiedEnglishfortenyears?B:Yes,Ihave.Andyou?A:No,Ihaven’t.B:ThenhowmanyyearshaveyoulearntEnglish?A:Ihavelearntitforeightyears.★haven’t=havenothasn’t=hasnotI’ve=IhaveYou’ve=Youhavee.g.I’vejusteatenit.我剛吃了它。You’vechanged.你變了。Shehaslivedherefortenyears.她在這住10年了。—Haveyoufinishedyourhomework?你完成家庭作業(yè)了嗎？—No,Ihaven’t.不，沒有完成。★haven’t=havenothasn’t=hasnotI’ve=IhaveYou’ve=Youhave2.I'vejusteatenit.我剛才把它吃了。justadv.意為“剛才”常與完成時連用。他們剛剛到達。Theyhavejustarrived.注意：justnow意為“剛才”，相當(dāng)于“amomentago”通常與一般過去時連用。我剛才去了圖書館。Iwenttothelibraryjustnow.3.Youusedtosharefoodwithme!你過去常與我分享食物！usedtodosth.意為“過去經(jīng)常做某事，以前常常做某事”，表示過去的習(xí)慣。本身已是過去時態(tài)，沒有人稱和數(shù)的變化，暗含現(xiàn)在已不再如此。他的父母過去住在鄉(xiāng)下。Hisparentsusedtoliveinthecountryside.Tom過去常常早起，不是嗎？Tomusedtogetupearly,didn'the?beusedtodoingsth.習(xí)慣于做某事我父親習(xí)慣晚飯后讀報。Myfatherisusedtoreadingnewspapersafterdinner.sharev.共用；分享分享某物sharesth和某人分享某物sharesthwithsb1.—你看過這部新電影嗎？—沒看過?！猒____you______thisnewfilm?—No,____________.2.她過去是一名歷史老師。She______________ahistoryteacher.3.他們過去常常步行上學(xué)。They______________toschool_______.4.我們家鄉(xiāng)變化很大。Myhometown_____________alot.二、翻譯句子：HaveseenIhaven’tusedtobeusedtogoonfoothaschanged5.presentn.現(xiàn)在，目前atpresentn.禮物4.pastn.意為“過去”。她正在回憶她的過去。Sheisthinkingofherpast.pastadj.意為“過去的”inthepast過去inthepastfewyears在過去的幾年中Tanslation1.我剛剛完成我的作業(yè)。2.過去這里有一所老房子。4.我喜歡和朋友分享我的快樂。5.我過去常常幫助李明學(xué)英語。Ihavej