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1、Unit4ThenandnowPartB过来看一看老照片穿一件粉色T恤在班级中活跃单车骑地好骑车好的锻炼comeandlookatoldphotoswearapinkT-shirtbeactiveinclassridemybikewellgocyclinggoodexercises课时回顾Let’slearnWuYifan:Ididn’tlikewinterbefore.Ithoughtitwastoocold,andIcouldn’tgocycling.Mike:Howaboutnow?WuYifan:NowIlovetoice-skate,soIlikewinte
2、r.gocycling骑自行车ice-skating滑冰footballbasketballswimmingping-pongbadmintonice-skatecyclingkungfuDoyoulike________?Ilikeditthreeyearsago.Howaboutnow?NowIlike______________.It’sveryinteresting.ping-pongplayingbasketballA:B:A:B:Let’swrapitupChangesareallaroundus.Talkaboutthechangesbelow.Chen
3、Jiewasshort.Nowsheis1.5metrestall.Itwasanegg.Now….Itwasraining.Now….Insummerthetreewasgreen.Now….Therewasabuildingbefore.Now….Thecatwasonthechair.Now….Cavemenoftenaterawmeat.Theydidn’tcooktheirfood.Nowtherearemanythingstohelpyoucook.In2050,therewillbehouserobots.Theywillcook,cleanandwas
4、hthedishes.Oh,cavemendidn’tcooktheirmeat?It’sOK.Theydidn’tdothedisheseither.Thereweremanytrees,andthereweremanycleanrivers.Now,therearemoreandmorebuildings.Look!Howbeautifultheworldwas!Oh!Whatwillthebirdsdo?Don’tworry.Peoplewillhelpthem.Beforehumanslivedontheearth,whalesalreadylivedinth
5、esea.Now,therearenotmanywhales.1.Listentotheirconversation.John,comeandlookatMike’soldphotos.That’sfunny,Mike.You’rewearingapinkT-shirt.Yes,butIdon’tlikepinknow.Wearealldifferentnow.Right.Before,Iwasquiet.Now,I’mveryactiveinclass.Howaboutyou?Well,Iwasshort,soIcouldn’tridemybikewell.Now,
6、Igocyclingeveryday.Ilikeitverymuch.That’sgoodexercise.StorytimeSixyearsago,Nancycouldreadanddraw,butshecouldnotwrite.Nowshecandomanythings.1.Whatcouldn’tshedo?2.Whatcanshedonow?Let’ssayA:Fiveyearsago,Mikemadefriendsatschool.Heboughtthingsfromshops.B:Nowhehase-friendsfromallovertheworld.
7、HedoesshoppingontheInternettoo.Grammartime过去时与现在时的对比时态一般现在时：一般过去时：(TheSimplePresentTense)(TheSimplePastTense)一般现在时：(TheSimplePresentTense)一般现在时：一般过去时：(TheSimplePastTense)一般过去时：(TheSimplePastTense)一般过去时：(TheSimplePastTense)一般过去时：经常或习惯性的动作或存在的状态。过去某个时间或时间段发生的动作或存在的状态。always,usual
