Module4-Grammar-公开课课件（二）

GrammarPresentperfecttenseXiaoLilivesinXiamen.NowheandhisfriendJohnMartinisvisitinghishometown.It___________(be)sixyearssincetheylast_____(see)eachother.AndthisisthefirsttimeJohnMartin___________(visit)XiaoLi’shometown.He_________(see)quitealotofChinaand_________(visit)somebeautifulcities,buthethinksXiaMenisoneofthemostattractiveplaceshe_______(be)to.Thecityislivelyanditspeoplearesofriendly.XiaoLisaysthathefeelsfortunatelivinghere.Manymodernbuildings_______________(putup),andtherearesomegreatshoppingmallsinthebusinessdistrict.XiaoLi’swife________________(justbuy)abeautifuldressfromoneoftheshopsthere.AndnowJohnMartinisstarving,sotheydecidetoparktheircartohavelunchinanicelittlefishrestaurant.XiaoLilivesinXiamen.NowheandhisfriendJohnMartinisvisitinghishometown.It___________(be)sixyearssincetheylast_____(see)eachother.AndthisisthefirsttimeJohnMartin___________(visit)XiaoLi’shometown.He_________(see)quitealotofChinaand_________(visit)somebeautifulcities,buthethinksXiaMenisoneofthemostattractiveplaceshe_______(be)to.Thecityislivelyanditspeoplearesofriendly.XiaoLisaysthathefeelsfortunatelivinghere.Manymodernbuildings_______________(putup),andtherearesomegreatshoppingmallsinthebusinessdistrict.XiaoLi’swife________________(justbuy)abeautifuldressfromoneoftheshopsthere.AndnowJohnMartinisstarving,sotheydecidetoparktheircartohavelunchinanicelittlefishrestaurant.hasbeensawhasvisitedhasseenhasvisitedhasbeenhavebeenputuphasjustboughtThePresentPerfectTensedefinitionstructureUsagesadverbialsThePastSimpleTense表示动作发生在过去，强调过去的动作对现在的影响。presentpastfuture肯定句：否定句：疑问句：被动句：have/has+S+doneS+have/hasnotdoneS+have/hasdoneS+have/has+beendone--Hasthebossleftyet?--Yes,hehas.leaveyetDescribethepictureinthePresentPerfectTensewiththewordsgivenyetdoyourhomework--Haveyoudoneyourhomeworkyet?--Yes,Ihave.nowThecompletionoftheaction------Howlonghaveyoulivedhere?------I’velivedherefortwentyyears.------Twentyyears!That’salongtime.------Yes,I’vebeenheresince1976.nowThecontinuationoftheactionHewillcomeassoonashehasfinishedhiswork.futureHewillcomeassoonashehasfinishedhiswork.在时间或条件状语从句中表示将来完成的动作。

Tosumup--Haveyoudoneyourhomeworkyet?--Yes,Ihave.表示动作在说话时已经完成，但对现在产生某种后果或影响。I’velivedherefortwentyyears.表示动作发生在过去，一直持续到现在，并且还可能持续下去。Payattetion:IhaveboughtanewcarIhaveboughtanewcarfortwoweeks.Ihavehadanewcarfortwoweeks.瞬时性动词可以有现在完成时，但是不可以与表示时间段的时间状语连用；必须与表示时间段的状语连用时，要用相应的延续性动词来代替。AnexcitingtripI

(justreceive)aletterfrommybrother,Tim.HeisinAustralia.He

(be)thereforsixmonths.Timisanengineer.Heisworkingforabigfirmandhe

(alreadyvisit)agreatnumberofdifferentplacesinAustralia.He

(justbuy)anAustraliancarand

(go)toAliceSprings,asmalltowninthecentreofAustralia.HewillsoonvisitDarwin.Fromthere,hewillflytoPerth.Mybrother

(neverbe)abroadbefore,soheisfindingthistripveryexciting.havejustreceivedhasgonehasalreadyvisitedhasjustboughthasbeenhasneverbeenHehaslosthiskey.Helosthiskeyyesterday,butnowhehasfoundit.

yesterday--Hasthebossleftyet?--Yes,hehas.leaveyet----Whendidheleave?----Helefttenminutesago.yetdoyourhomework--Haveyoudoneyourhomeworkyet?--Yes,Ihave.---Whendidyoudoit?---Ididithalfanhourago.现在完成时强调对现在造成的影响或产生的结果，落脚点在现在。一般过去时着重说明动作发生在过去，强调动作本身，落脚点在过去。NowrongnumbersMr.JamesScotthasagarageinSilburyandnowhe

______(justbuy)anothergarageinPinhurst.PinhurstisonlyfivemilesfromSilbury,butMr.Scottcannotgetatelephoneforhisnewgarage,sohe______(justbuy)twelvepigeons.Yesterday,apigeon_______(carry)thefirstmessagefromPinhursttoSilbury.Thebird(cover)thedistanceinthreeminutes.Uptonow,Mr.Scott

(send)agreatmanyrequestsforsparepartsandotherurgentmessagesfromonegaragetotheother.Inthisway,he

(begin)hisownprivate‘telephone’service.hasjustboughthasjustboughtcarriedcoveredhassenthasbegunMakeupaplaywiththeknowledgewehavelearnttodayandactitout