单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,The Present Perfect Tense,Winter has already come.Can spring be far behind?,冬天来了，春天还会远吗？,Revision,.,The Present Perfect TenseWinte,Free talk,I,have taught,English,since,2006.,I,have,lived,in Chaozhou,for,28 years.,I,have been to,many places,such as Guangzhou.,I,have,never,been to,Zhaoqing,before.,You and Me,Free talkI have taught Englis,in the past,Now,The classroom is clean.,What have my students done?,in the pastNowThe classroom is,They,have swept,the floor,already,.,They,have,already,cleaned,the windows.,They,have cleaned,the blackboard.,They have swept the floor alre,The Present Perfect Tense,Usage 1,（,用法）,1,）,现在完成时态表示,_,发生的动作对,_,造成的,_,或,_,。,e.g.They,have cleaned,the classroom,already,.,(Now the classroom is,clean,.),2)Adverbials of time,（时间状语）,yet ever never just before,have/has +P.P.(,过去分词,),过去,现在,影响,结果,already,Structure,（,结构）,The Present Perfect TenseUsage,Game,Help Le Yangyang find the gym,play,live,study,stop,need,visit,plant,eat,play,ed,liv,ed,studi,ed,stop,p,ed,need,ed,visit,ed,plant,ed,go,give,sing,take,see,run,come,speak,gone,given,seen,taken,eaten,spoken,run,come,sung,/d/,/d/,/d/,/t/,/id/,/id/,/id/,irregular verb,不规则动词,regular verb,规则动词,V+ed,不发音,e,结尾,+d,辅音字母,+y,改,y,为,i+ed,双写辅音字母,+ed,Game Help Le Yangyang find the,Both his parents look sad.Maybe they _(know)whats happened to him.,I_(have)my lunch and Im not,hungry now.,3.We cant find him anywhere.Perhaps he _,_(go)home.,4.They_(study)the word,“exam”already,and now they can use it!,5.Have you finished your work _?,-Yes,I have _ done it.(already/yet),环保加油站,The green gas station,have known,have had,has,gone,have studied,yet,already,Both his parents look sad.May,Here We Meet Again,重逢,Have you,ever,heard the song?,Here We Meet Again重逢Have you e,Sunday November 28,th,2010 Sunny,How beautiful Guangzhou is!Guangzhou has changed greatly since it bid for(,申办,)the 16th Asian Games.People have planted a lot of trees.Also they have taken good care of them since then.So far,the river has been clear with the help of the government.It has been safe to drive on the road since Guangzhou held the Asian Games.In the last few years,the environment of Guangzhou has improved a lot.,I enjoyed my days in Guangzhou,and I am looking forward to visiting Guangzhou again.,Task 1:,Underline,the changes.,Task 2:Circle the adverbials of time,(,时间状语,).,现在完成时表示,_,发生的动作或状态，持续到,_,也许还会,_,下去。,过去,现在,持续,Sunday November 28,The Asian Games,has been over,for,three weeks.,I,have been away,from Guangzhou,for,three weeks.,I,have left,Guangzhou,for,three weeks.,I,have had,some souvenirs,for,three weeks.,I,have bought,some souvenirs,for,three weeks.,be in,be dead,have,keep,be away,be open,be on,be closed,瞬间动词与延续性动词的转换,Change,be over,be asleep,be a member of/be in,become/come/go die,borrow leave,buy join,start/begin finish/end,close open,fall asleep,The Asian Games has been over,Michael has left Guangzhou for 3 days.,2.The football match has begun since,8:00a.m.,3.How long have you bought the car?,4.They have gone to Zhongshan twice.,5.Jane has fallen asleep since I come back home.,6.I have lived in America for two years ago.,大家来找茬,Pick holes,been away from,been on,had,been,been,came,since,ago,Michael has left Guangzhou for,_,_,_,for,three days,since,eight,since,two weeks,ago,since,I came back home.,since+,for,+_,时间点,时间段,+ago,从句,(,一般过去时）,Usage 2,（用法）,1),现在完成时表示,_,发生的动作或状态，持续到,_,也许还会,_,下去。,过去,现在,持续,时间段,（,注意：句中谓语动词要用延续性动词,）,The Present Perfect Tense,since then/so far/in the last few years,2)Adverbials of time(,时间状语）,_for three dayssince ei,in the past,Now,Information Card,In the past,people _ litter everywhere.,they _ a lot of paper.,Since several years ago,So far,they _ both sides of paper.,students _ many old books away to the Project Hope.,threw,wasted,have used,have given,in the pastNowInformation Card,Sum up,（,1,）一般过去时只表示,_,的动作或状态，和,_,不发生关系。与表示过去的时间状语连,用，如,in the past,yesterday,last year,two hours ago,just now,等。,（,2,）现在完成时表示,_,发生的动作对,_,造成的影响。,_,与过去的时间状语连用，时间状语往往是,since,for,just,already,yet,before,so far,等。,过去,现在,过去,现在,不能,The Present Perfect Tense,3.Tell the differences,一般过去时与现在完成时,Sum up（1）一般过去时只表示_的动作或状态，,What have we reviewed?,Sum up,Structure have/has+P.P.,Usage ,过去对现在,(,瞬间动词,),already/yet/ever/never/just/before,过去到现在,(,延续性动词,),for/since/so far/since then/,in the last few years,What have we reviewed?Sum up S,Group work,What have you done to protect the environment of Zhaoqing?,plant trees,walk,Who,Have/Has done,Adverbials of time,I,Student 1,Student 2,Student 3,collect old books,use paper bags,Group workWhat have you done t,Report:,I have planted a lot of trees,already.,Lily hasnt gone to school by bus,for a long time,.She has walked to school,since she became a middle school student.,Lucy has We will keep doing them in the future.,What have you done to protect the environment of Zhaoqing?,plant trees,walk,collect old books,use paper bags,Report:I have planted a lot o,环保小卫士,Tips,Its our duty to protect the environment.,环保小卫士TipsIts our duty to