八年级上unit6第一课时课件

Unit6Howlonghaveyoubeencollectingshells?(SectionA1a-1c),shell,collectshells,收集贝壳,Newwords,IstartedteachingEnglishin2011.,IamstillteachingEnglishnow.,HowlonghaveIbeenteachingEnglish?,for2years,2011,2013,201,*WhendidyoustartstudyingEnglish?Inwhichyear?,AreyoustudyingEnglishnow?,HowlonghaveyoubeenstudyingEnglish?,*Hestartedteachingmathwhenhewas20yearsold.Heis50yearsoldnowandheisstillteachingmath.,Howlonghashebeenteachingmath?,Hehasbeenteachingmath,for30years.,since,30yearsago.,hewas20yearsold.,成龙（JackieChan）wasborn:1954startedacting:1961,Hehasbeenactingfor52years.,HowlonghasJackieChanbeenacting?,Hehasbeenactingsince1961.,Hehasbeenactingsincehewas7yearsold.,halfanhour,Howlonghashebeenplayingcomputergames?,Hehasbeen_computergames,for_.since_.,playing,halfanhour,halfanhourago,Letspractice!,Howlonghashebeenplayingcomputergames?,Hehasbeen_computergames,Howlonghashebeenplayingcomputergames?,Hehasbeen_computergames,Hehasbeen_computergames,Howlonghashebeenplayingcomputergames?,Hehasbeen_computergames,for_.since_.,Howlonghashebeenplayingcomputergames?,Hehasbeen_computergames,15minutes,Howlonghashebeendrawingapicture?,He_apicture,_.,_.,Pairwork,Tom/45minutes,Linda/anhour,John/threehours,Sam/twohours,forsince,A:Whatisdoingnow?,B:She/Heis,A:Howlonghasshe/hebeen?,B:She/hehasbeen,lookatthepicturesandfillintheblanks！看图片，填空。,Letscompete.Ifyoucan,standupandsayasquicklyasyoucan.让我们竞赛。如果你会，尽可能快的站起来直接说！,Letsrelax!,Hehasbeenplayingcomputergames_halfanhourago,Shehasbeen_for2hours.,Theyhavebeen_soccersince45minutesago.,Theyhavebeen_foranhour.,He_apicturesince15minutesago.,Hehasbeenplayingcomputergames_halfanhourago,Shehasbeen_for2hours.,Theyhavebeen_soccersince45minutesago.,Theyhavebeen_foranhour.,He_apicturesince15minutesago.,1.Hehasbeenplayingcomputergames_halfanhourago.,2.Shehasbeen_for2hours.,3.Theyhavebeen_soccersince45minutesago.,4.Theyhavebeen_foranhour.,5.He_apicturesince15minutesago.,since,studying,playing,swimming,hasbeendrawing,句型再现：,当我们谈论动作从过去某一时间开始一直延续到现在,并且有可能持续下去时，我们常常用以下句型来表示:,e.g.Ihavebeenskatingsincesevenoclock/2002.Shehasbeenswimmingsinceshewassevenyearsold.Theyhavebeenplayingfootballforfivehours.,现在完成进行时,一段时间,过去的时间点,从句(一般过去时),(ThePresentPerfectProgressiveTense),Fillintheblankswithfororsince.,1.Thetwinshavebeenplayingthepiano_twohours.2.Ihavebeeninthisschool_2011.3.Theyhavebeenswimming_anhourago.4.Hehasbeenplayingfootball_40minutes.5.Lucyhasbeenskating_3hours.,for,since,since,for,for,Practice,Marathon,Acontesttoseewhocandosomethingthelongestwithoutstopping.(run;dance;swimorskate),running,swimmingmarathonskatingmarathondancingmarathonrunningmarathon,skating,marathon,skate,apairofskates,Sheisskating.,Sheisaskater.,askatingmarathon,Listening,1bListenandfinishtheform.,Howlong?,Alison,Sam,Victor,Celia,Ivebeenskatingforfivehours.,Iskatedforfourhours.,Ivebeenskatingforfivehours.,Iskatedfortwohours.,Ihavebeenskatingforfivehours.Iskatedforfourhours.,两个句子分别用了_时态和_时态。现在完成进行时态表示_,有可能持续下去，而一般过去时态表示_即动作已结束,与现在无关。请翻译下面两个句子，注意区别：HehasbeenlivinginChinafortenyears._HelivedinChinafortenyears._,现在完成进行,一般过去,他已经在中国住了十年了。,他曾在中国住了十年。,动作现阶段正在进行,过去发生的动作,（他仍在中国）,（他已不在中国）,Groupwork:discussion,Translation,1.李明在方山住了5年。,1.李明曾经在方山住过5年。,2.我们学英语两年了。,2.我们曾经学过两年英语。,3.Tom滑冰滑了3个钟头了。,3.Tom滑冰滑过3个钟头。,LiMinghasbeenl