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概念引入Themusictheyareplayingsoundssoexciting.WewatchedthreeboyssharingtheirfoodwitheachOurjobisplayingallkindsofmusic.Thegirlsingingnowisaclassmateofmine用法讲解非谓语动词中的ing形式包括两种：一种是动名词，另外一种是现在分词。•基本形式：1、-ing形式作表语1)-ing形式作表语时放在系动词之后,用来泛指某种动作或行为,以说明主语的具体内容(身份、性质或情况)。如：Herhobbyispainting.她的业余爱好是画画。Myjobislookingafterthechildren.我的工作就是照顾这些孩子。2)–ing用来表示主语所具有的特征，如：Hisconcernforhismotherismosttouching.他对母亲的关爱很感人。Hiswordsareencouraging.他的话很鼓舞人。2、-ing形式作定语1).说明被修饰名词的作用和用途，如：buildingmaterials=materialsforbuilding建筑材料drinkingwater=waterfordrinking饮用水areadingroom=aroomforreading阅览室2).说明被修饰名词的性质和程度，如：tiringmusic=musicthatistiring烦人的音乐asurprisingresult=aresultthatissurprising一个惊人的结果3).表示被修饰名词正在进行的动作，如：正在做实验的那个学生是我们的班长。Thestudentmakingtheexperimentisourmonitor.我们能看到冉冉升起的太阳。Wecanseetherisingsun.Attention1)单个-ing形式作定语时,放在所修饰的名词之前,-ing形式短语作定语时,放在所修饰的名词之后,并且在意思上相当于一个定语从句。如：Theylivedinaroomfacingthestreet.=Theylivedinaroomthatfacesthestreet.他们住在一间面朝街的房子。ThemanstandingthereisPeter’sfather.=ThemanwhoisstandingthereisPeter’sfather.站在那儿的那个人是彼得的父亲。2)V-ing,过去分词，不定式做定语时的区别：Thestudentmakingtheexperimentisourmonitor.Theylivedinaroomfacingthestreet.正在举行的会议非常重要。Themeetingbeingheldnowisveryimportant.昨天举行的会议非常重要。Themeetingheldyesterdayisveryimportant.明天要举行的会议非常重要。Themeetingtobeheldtomorrowisveryimportant.3)-ing形式短语也可以用作非限制定语，相当于一个非限制性定语从句，这时，它与句子其他部分用逗号分开如：Hisbrother,workingasateacher,livesinBeijing.=Hisbrother,whoisworkingasateacher,livesinBeijing.他那个当教师的哥哥住在北京。Theappletree,swayinggentlyinthebreeze,hadagoodcropoffruit.=Theappletree,whichwasswayinggentlyinthebreeze,hadagoodcropoffruit.那棵苹果树硕果累累，在微风中轻轻摇曳。3、-ing形式作宾语补足语1)动词-ing形式作宾语补足语常放在宾语后面，表示一个正在进行的主动性的动作，强调一个正在进行的动作或一种状态。如：当我们回到学校时,发现一个陌生人站在大门口。Whenwereturnedtotheschool,wefoundastrangerstandingattheentrance.我发现地板上放着一个包。Ifoundabaglyingontheground.那老板让工人整夜地工作。Thebosskepttheworkersworkingthewholenight.2）当主句转换为被动结构时,原来作宾语补足语的动词-ing形式便转换为主语补足语。如：Theyfoundtheresultverysatisfying.=Theresultwasfoundverysatisfying.Theyheardhimsinginginthenextroom.=Hewasheardsinginginthenextroom.3).能用-ing形式作宾语补足语的几类动词:a.感官动词，常见的有see,hear,feel,smell,find,notice,observe,等。如：Wesawalightburninginthewindow.Ifeltsomebodypattingmeontheshoulder.Canyousmellanythingburning?Ashespoke,heobservedeverybodylookingathimcuriously.Listentothebirdssinging.Ididn’tnoticehimwaiting.b.使役动词，常见的有have,set,keep,get,catch,leave等。如：Iwon’thaveyoudoingthat.Thissetmethinking.I’msorrytohavekeptyouwaiting.Ican’tgettheclockgoingagain.Youwon’tcatchmedoingthatagain.4)see,hear,feel,watch等动词之后用-ing形式和动词不定式作宾语补足语的区别：①前者表示动作正在进行，而后者表示（或强调）动作从开始到结束的全过程。如:Wepassedbytheclassmatesandsawtheteachermakingtheexperiment.我们走过教室，看见老师在做实验。（只在走过教室的刹那间，看见老师正在做实验）Wesatanhourandwatchedtheteachermaketheexperiment.我们坐了一个小时，看老师做实验。（一个小时之内一直在看老师作实验）②如果宾语补足语是短暂性动词，动词不定式短语表示一次动作，而-ing形式则表示反复动作。如：Weheardthedoorslam.(一次动作)Weheardthedoorslamming.(反复动作)巩固练习完成句子1.It’swrongofyouto_______(让机器开着)。（run）2.Whathesaid_______________(令人信服的)，wecantrusthim.(convince)3.Thenews__________(令人感到惊讶的)，wewereallastonishedatit.(astonish)4.Thebuilding_________(正在建)isournewlibrary.(build)5.Hewascaught____________(偷车)andsenttothepolicestation.(steal)6.Isawhim_________(正在玩游戏)whenIpassed.(play)7.Someoldmanhavetowalkwiththehelpof_________sticks(拐杖).(walk)8.IfoundMary__________(正向一个男孩儿低语)justnow.(whisper)9.Thereweresomeboys_________(在窗户附近大声喊叫)，soIcouldn’tfallasleep.(shout)10.Astudentwillbeimmediatelydismissedifhe____________(被发现吸烟)inschool.单项选择1.Yesterdayourheadteachermadesuchanspeechthatweallfelt.A．exciting；excitingB．excited；excitedC．exciting；excitedD．excited；exciting2.WhenIcaughthim___me，Istoppedbuyingthingsthereandstarteddealingwithanothershop．A．cheatedB．cheatingC．tocheatD．tohavecheated3.Thechildren_____theviolinovertherewillgoonthestagenextweek.A.playingB.playC.playedD.toplay4.Theboy____overthereismyyoungerbrother.A．criedB.beingcriedC.cryingD.tocry5.Afteraknockatthedoor,thechildheardhismother’svoice_______him.A.callingB.calledC.beingcalledD.tocall6.HeisastudentatOxfordUniversity,_______foradegreeincomputerscience.A.studiedB.studyingC.tohavestudiedD.tobestudying7.MissJohn’shabitis_______withoutthroughunderstanding.A.readB.beingreadC.tobereadD.reading8.Thetower______theWarringStatesiswellworthvisiting.A.datedfromB.datedbackfromC.datingfromD.todatefrom9.Withnorainforthreemonthsandfoodsupplies______out,thesituationhereisgettingfrombadtoworse.A.runB.runningC.torunD.toberun10.---Whowouldyouliketoseeatthemoment?----Theman_____Mr.Green.A.calledhimselfB.wecallhimC.callinghimselfD.iscalled11.Theflowers______sweetinthebotanicgardenattractedthevisitorstoehbeautyofnature.A.tosmellB.smellingC.smeltD.tobesmelt12.Theladysaidshewouldbuyagiftforherdaughterwiththe_____A.20dollarsremainedB.20dollarstoremainC.remained20dollarsD.remaining20dollars13.Theman_____thereisourheadmaster.Wouldyouliketogooverandsayhellotohim?A.standB.tostandC.isstandingD.standing14.Thenoiseofdesks____couldbeheardoutinthestreet.Weknewtheremustbeaschoolnearby.A.openingandclosingB.openedandclosedC.tobeopenedandclosedD.beingopenedandclosed15.Hisjobwas_______