unit 4 A lets learn.ppt

Unit4Thenandnow,ALetslearn,Freetalk:1.Istherealibraryinyourschool?2.Arethereanycomputersinyourschool?3.Arethereanytalltreesinyourschool?4.Arethereanydesksinyourclassroom?,1.表示某个地方“有”用therebe.2.therebe句型:Thereis/was单数名词或不可数名词地方。Thereare/were复数名词地方。3.therebe句型中be的用法:单数is/was，复数are/were，有并列时用就近原则。,Youcanreadbooksinit.,Whereisit?,Therearemanybooksinit.,library,我们学校有一个图书馆。,Thereisalibraryinourschool.,Thereis,Therewasalibraryinourschool.,Thereareteachersinit.Theyoftenworkthere.Andyouoftenhandin（上交）yourhomeworkthere.Whereisit?,teachersoffice,Therearemanyteachersofficesinourschool.,Thereare,Thereweremanyteachersofficesinourschool.,Youusuallydomorningexercisesthere.,Youoftenplaybasketballtheretoo.,Whereisit?,playground,grassgr:s,dininghalldanh:l,饭厅,Thereisagyminourschool.,Therewasagyminourschool.,Therewasnogyminourschool10yearsago.,gymdm,十年前,ago,以前,体育馆,三天前threedaysago,两周前,twoweeksago,五年前,fiveyearsago,四个月前,fourmonthsago,一年前,oneyearago,=lastyear,onemonthago,lastmonth,yearsago,monthsago,lastyear,lastmonth,年前,月前,去年,上个月,lastnight,lastMonday,lastweekend,yesterday,thedaybeforeyesterday,weeksago,daysago,goldeneyes,lastmonth,threemonthsago,twoyearsago,gym,grass,dininghall,onedayago,lastyear,flash,Now,10daysago,Thereisahorseonthegrassnow.,Thereweremanyhorsesonthegrass10daysago.,Now,1hourago,Thereisnopeopleinthegymnow.,Thereweremanypeopleinthegym1hourago.,Now,3monthsago,ThereisaTVinthedininghallnow.,TherewasnoTVinthedininghall3monthsago.,Canyoufindthedifference?你能找到不同并用英语介绍吗？,2monthsago,now,Therewasapictureonthewalltwomonthsago.Therewasaclockonthewalltwomonthsago.Thereisacatonthebednow.,2daysago,now,Thereweretwoballsunderthechairtwodaysago.Therewerentanybooks/Therewerenobooksonthebedtwodaysago.Thereisaballunderthechairnow.Therearemanybooksonthebednow.,Findthemistakes,therewerenogyms,peopledidntgobybus,peoplecouldntusetheInternet,mistakes,buildings（建筑）gymdininghallpostofficecoffeeshopmotelcinematrafficlight（红绿灯）streetlight（路灯）,traffic（交通）gobybusgobybike,activities(活动)watchTVusethephoneusetheInternet,Atthattime，therewerenogyms.Peopledidntgobybus.PeoplecouldntusetheInternet.,Pairwork,Discusswithyourgroup.FindoutthemistakesintheTangdynasty.,Atthattime，therewere/wasno_.Peopledidntgo_.Peoplecouldntuse_.,Therebe句型:,一般现在时,一般过去时,Therewas+单数、不可数名词,Thereare+复数,Thereis+单数、不可数名词,Therewere+复数,There是个近视眼，只能看到最近的。最近单数用is/was,如是复数则用are/were。,某地有某物、某人,Usefultips:1.过去某地有：Therewas/were过去某地没有：Therewasnt/werent2.现在某地有：Thereis/are现在某地没有：Thereisnt/arent,therebe句型的一