Unit1Pastandpresent【ComicstripandWelcometotheunit】Learingaims:•1.ToknowaboutthetransportatdifferenttimesinBeijing.•2.Totalkaboutdifferentformsoftransportusedinthepastandatpresentbyyourself,yourfamilyorfriends.•3.ToknowPresentperfecttense(现在完成时）simply.Freetalk(3'•1.Wheredidyouoryourfamilygoduringthewinterholiday?•2.Howdidyou,heorshegothere?GuideOne1.Lookatthefollowingpicturesandsaytheirnames.(2'coachbustrainundergroundplanetaxi•2.DanielwantstoknowaboutthedifferentformsoftransportinBeijing.Helphimwritethecorrectnamesunderthepictures.•FinishPartAonPage7.(1'•3.Millieandherdadaretalkingabouttransportatdifferenttimes.Let'slistenandanswerthefollowingquestion.(2'•(1).HowdidMillie'sfathergotoschoolwhenhewasastudent?•4.Openyourbookandlistenagain,andthenanswermorequestions.(3'•(1).Whydidn'tMillie'sdadtakeabus?•(2).HowdoesMilliegotoschoolatpresent?•(3).Whydoesshetakeabus?GuideTwo•1.Readtheconversationwithyourpartner.•Haveamatch.Whoreadsbest?(3'•2.Usetheconversationasamodel.Workinpairsaccordingtotheinformationintheformon•Page7.(4'•FromMillieandherdad'sconversation,weknowthattransporthaschangedalotovertheyears.OurfriendsEddieandHobohavealsochanged.Doyouknowwhatchangeshavehappenedtothem?Let’slistentotheirconversationandfindouttheanswer.GuideThree•1.Listenandanswerthefollowingquestions.(3')•(1).Whatwasinthebowlanhourago?(2)WhydidEddieeatHobo’sfood?•2.Openyourbooks,listenandfinishtheblanks.(3'•Eddieusedto______________,butnowhedoesn't.•Hobousedto______________,butnowheisn't.•Whathappened?________________________.sharefoodwithHobobekindtoEddieTheyhavechanged.Theyhavechanged.(现在完成时的句子。现在完成时的结构：have/has+动词的过去分词•3.Findthesentenceslikethis.(1'•(1).Eddie,haveyouseenmyfood?•(2).I'vejusteastenit.(3).You'veeatenmyfood?•(4).You'vechanged,Eddie.(5).You'vechangedtoo.现在完成时是一种涉及过去又联系现在的时态，一般表示影响，结束，继续和经历四种意思GuideFour•1.Readthedialoguealoudwithyourpartner.(3'•2.Actoutthedialogue.•Haveamatch.Whichgroupisthebest?(3'Practiceinclass(10'•完成《课课练》P2
