Unit4ThenandnowPartALet'slearnTodaywearegoingtovisitourschool.Now,let'sgo!grassWhatcanyoudoonthegrass?Icanplayfootballonthegrass.Youcanplaybasketballinit.SometimesyouhaveaP.Eclassinit.Guess.Whatisit?gymIplayedping-ponginthegymthreedaysago.hall大厅、礼堂diningWeoftenhavelunchinthedininghall.What’sinthepicture?buildingplaygrounddinninghallgymgrassWasthereadininghallinyourschoolsevenyearsago?dininghall三年前...yearsago…年前Yes,therewas.Therewasadininghallinmyschoolsevenyearsago.Wasthereagyminyourschoollastyear?gymNo,therewasn’t.Therewasnogyminmyschoollastyear.Lastyear去年Whatarethedifferences?twentyyearsagonowTherewasonlyoneoldbuildinginmyschooltwentyyearsago.Therearemanynewbuildingsinmyschoolnow.Wasthereagymintheschool？No,therewasn't.Isthereagymintheschool？Yes,thereis.Whatarethedifferences?Therewasnogymintheschooltwentyyearsago.Nowthereisanewoneintheschool.Attention:注意使用therebe句型三月前threemonthsago…….一天前onedayago五周前fiveweeksago两年前twoyearsago多久以前（时间名词+ago）还有哪些表示过去的时间？lastweekendlastnightyesterdaythedaybeforeyesterdaylastyear去年lastmonth上个月你会说下面单词和短语的意思吗？dinninghallgymgrass……yearsago……monthsagolastyearlastmonthFindthemistakesIntheTangdynasty…Atthattime,therewerenogyms.Peopledidn’tgobybus.Peoplecouldn’tusetheInternet.Discusswithyourgroup.FindoutthemistakesintheTangdynasty.Atthattime，therewereno______.Peopledidn'tgo________.Peoplecouldn'tuse_______.Atthattime,therewerenodinninghalls.Atthattime,therewerenopostoffices.Atthattime,therewerenocinemas.Atthattime,therewerenomotels(汽车旅馆).Atthattime,therewerenocafés（咖啡馆）.Atthattime,therewerenotelephones.Atthattime,therewerenotrafficlights.Atthattime,therewerenolights.Atthattime,peoplecouldn’tgobybikeandbytaxi.Therebe句型现在时Thereis+单数……Thereare+复数……过去时Therewas+单数……Therewere+复数……Tips:There是个近视眼，只能看到最近的，最近的是单数用is，是复数用are；如果是表示过去的，单数用was，复数用were检测练兵1、There____anappleonthetable.A.isB.wasC.are2、There____twoapplesinthebasket.A.isB.wasC.are3、There____anapple,twopearsandfivewatermelonsonthetable.A.isB.wasC.areACA4、There____nogymsinmyschool2yearsago.A.wasB.areC.were5、There____nograssinmyschoollastyear.A.wasB.areC.were6、There____nogym,nodinninghallsandnolibraryinmyschoolsixmonthsago.A.wasB.areC.wereCAA
