初中英语现在完成时精讲精练PPT课件

现在完成时,1,-,目录,CONTENTS,一、现在完成时的构成二、现在完成时的完成意义三、现在完成时的持续意义,2,-,现在完成时的构成,3,-,现在完成时的构成,Wehavebegunourclass.Wehaventbegun.Haveyoubegunyourclass?Yes,wehave.No,wehavent.,肯定：have/hasdone否定：have/hasnotdone疑问：have/has+主语回答：Yes,sb.have/has.No,sb.havent/hasnt.,4,-,现在完成时的完成意义,5,-,什么是完成意义？,完成意义：动作发生在过去，结果或影响在现在。,time,过去,现在,将来,Ihavecleanedtheroom.,打扫房间,打扫房间的结果，影响在现在,结果：房间现在还干净，不用打扫了。,6,-,什么是完成意义,动作发生在过去，结果或影响在现在。,Johnhaseatenupthefruitinthefridge.,Alicehasopenedthewindow.,Lindahasfoundherbook.,结果：冰箱里没有水果了。,结果：窗子的状态是打开的。,结果：不需要再找了。,7,-,1.Idontfeelverywell,Jack.Imafraidyou_meyourcold.,givehadgivenhavegivenwouldgive,真题再现,8,-,2.-Look!Someone_theclassroom.-Well,itwasntme.Ididntdoit.,iscleaningwascleaninghascleanedwillclean,真题再现,9,-,现在完成时意义与一般过去时的区别,完成意义：动作发生在过去，结果或影响在现在。,time,一般过去时：动作发生在过去，对现在没有影响。,过去,现在,将来,Icleanedtheroomyesterday.,打扫房间,10,-,1.Paulaispleasedthatshe_herlostwatch.,findsfoundhasfoundwillfind,真题再现,11,-,2.Icantfindmynotebookanywhere.ImafraidI_it.,loselosthavelostwaslosing,真题再现,12,-,already,just,yet,ever,never,already“已经”；just“刚刚”用于肯定句中Lindahasalreadyeatentwoapples.Lindahasjusteatenabanana.,yet“还未”；“已经”用于否定句，疑问句句尾Alicehasnoteatenanychocolateyet.HasAliceeatenanychocolateyet?,13,-,already,just,yet,ever,never,ever“曾经”用于疑问句HasJohnevereatenAmericanchocolate?HaveyoueverbeentoBeijing?,never“从不”TomhasneverbeentoBeijing.,14,-,1.-_youever_HanHongsinglive?-Ofcourse.Acoupleoftimesindifferentcities.,Have;seenDid;seeDo;seeAre;seeing,真题再现,15,-,2.-Wouldyoulikeanothercake?-Anothercake?I_myfirstoneyet.,didnthavedonthavehaventhadhadnthad,真题再现,16,-,现在完成时的持续意义,17,-,什么持续意义？,time,动作在过去开始，一直持续到现在，而且很有可能持续下去。,Ihavelivedherefortwoyears.,2年前,今天,havelived,18,-,for和since,for+时间段since+过去的时间点；一般过去时的句子,Shehasworkedherefor5years.Shehasworkedheresince5yearsago.Shehasworkedheresinceshegraduatedfromcollege.,19,-,for和since,用for或since填空,Mr.BrownhashadhisTV_15years.Ivetakendrivinglessons_lastmonth.Mysisterhashadhercellphone_amonth.Myfriendshaventvisitedme_fewdaysago.Wehaventusedourcar_alongtime.Shehasnthadagoodcupofcoffee_years.Tomhaswornglasses_hewas7yearsold.,for,since,for,since,for,for,since,20,-,延续动词与非延续动词,现在完成时表持续，在肯定句和疑问句中动词要用延续性动词,延续性动词：动作可持续learn,work,stand,lie,know,walk,keep,wait,watch,sing,read,sleep,live,stay,have,非延续性动词：动作不可持续，只发生在一瞬间buy,borrow,die,leave,begin,join,21,-,延续动词与非延续动词,1.Hehasboughtthebookfortwoyears.2.Hehashadthebookfortwoyears.3.IhaveborrowedthebooksinceMonday.4.IhavekeptthebooksinceMonday.,22,-,延续动词与非延续动词,leavebeawayborrowkeepbuyhavebegin/startbeondiebedeadfinishbeover,leavebeawayfromgo(get)outbeoutputonwearcomebackbebackcomebejoinbein+组织机构,非延续性动词变延续性动词,23,-,延续动词与非延续动词,1.Theycametoourschoolin1980.They_ourschoolsince1980.2.Themandiedfiveyearsago.Theman_forfiveyears.3.Themeetingbegantwominutesago.Themeeting_fortwominutes.4.Weborrowedtwobookslastweek.We_thetwobooksforaweek.,havebeenin,hasbeendead,hasbeenon,havekept,24,-,-Mom,IwanttowatchThelegendofMiyue（芈月传）onChina8tonight.-Oh,dear,it_forafewminutes.Comeon!,hasbegunwillbeginhasbeenonwillbeon,真题再现,25,-,2.WilliamShakespeare_for400years,buthisworksstillhavegreatinfluencetoday.,diedwasdyinghasdiedhasbeendead,真题再现,26,-,3.Thismedicine_millionsofpeopleslivessinceitwasputintouse.,issavingwillsavehassavedhadsaved,真题再现,27,-,4.Itsnicetoseeyouagain.We_eachothersince2014.,wontseedontseehaventseendidntsee,真题再现,28,-,5.IhavebeeninChina_1997.,sinceforinuntil,真题再现,29,-,小试牛刀,30,-,1.-Whatanicewatch!Howlong_you_it?-Forjusttwoweeks.,will;buyhave;hadwere;havingdid;buy,小试牛刀,31,-,2.-Wherearetheflowers?-Yousee,someone_themtothewindow.,moveshadmovedhasmovedwouldmove,小试牛刀,32,-,3.-Lookatthebluesky!Therain_-Letsgooutforawalk,stopswillstophasstoppedhadstopped,小试牛刀,33,-,4.He_thecitysincehegraduatedfromcollege.,hasleftlefthasbeenawayfrom,小试牛刀,34,-,5.UncleLiang_inHaikousince1980,sohekno