现在分词作状语详解.pptx
现在分词作状语北京西藏中学潘辉文2008-7-1第1页/共35页 Leading-in 测一测 看一看Are you familiar with these sentences?Read them and try to get the meaning of each sentence.第2页/共35页1.Few visitors leave Rio feeling disappointed.2.Not knowing much English,I found it hard to understand them.3.While walking along the shore,we saw that the water was very dirty.4.Being the head of the village,he often tells the villagers to protect the farmland.(chosen from Unit 15 of Senior Book II)第3页/共35页思考一下以上四句话中划线部分的用法以上四句话都属于现在分词作状语的用法，那么现在分词作状语有那些用法呢？DiscoveringProblems第4页/共35页Solving Problems 现在分词作状语的用法第5页/共35页1.时间状语相当于when,while,after等引导的时间状语从句1.Hearingthegoodnews,hejumpedwithjoy.=Whenheheardthegoodnews,hejumpedwithjoy.2.HavingturnedofftheTV,hebegantodohishomework.3.Becarefulwhencrossingthestreet.=AfterheturnedofftheTV,hebegantodohishomework.=Becarefulwhenyoucrossthestreet.第6页/共35页4.Seeing those pictures,he couldnt help thinking of those days in Tibet.5.Arrivingatthestation,hefoundthetrainwaslate.=Whenhesawthosepictures,hecouldnthelpthinkingofthosedaysinTibet.=Whenhearrivedatthestation,hefoundthetrainwaslate.第7页/共35页实践练习 完成学案中练习一 第8页/共35页Answers 2.Hearing the bad news,he felt very sad.3.Arrivingatthestation,hefoundtheshopwasclosed.4.SeeingZhaXi,IcouldnthelpthinkingofthehappydaysinTibet.5.Havingreceivedhisletter,Idecidedtowriteback.1.见黑板第9页/共35页2.原因状语(相当于原因状语从句）1.Beingsoangry,hecouldntgotosleep.=Becausehewassoangry,hecouldntgotosleep.=BecauseIamateacher,Imustworkhard.=Becausehehadnotreceivedhisfathersletter,hedecidedtotelephonehim.2.Nothavingreceivedhisfathersletter,hedecidedtotelephonehim.3.Beingateacher,Imustworkhard.第10页/共35页实践练习 完成学案中练习二 第11页/共35页Answers 2.Being too nervous,he couldnt speak a word.3.Beingastudent,Imuststudyhard.1.见黑板第12页/共35页3.伴随状语(没有相应的状语从句可以转换，但可以转换成并列句）1.They came into the classroom,singing and laughing.3.Hesatthereinsilence,consideringhowtosolvetheproblem.=Theycameintotheclassroomandtheysangandlaughed.2.Shesatinanoldchair,watchingTV.=ShesatinanoldchairandwatchedTV.=Hesatthereinsilenceandconsideredhowtosolvetheproblem.第13页/共35页实践练习 完成学案中练习三第14页/共35页Answers 2.He went out of the room,singing a song./1.见黑板3.Hesatthereinsilence,consideringhowtoanswerthequestion.holdingabookinhishand.第15页/共35页4.结果状语(可转化为结果状语从句）1.I got up late this morning,not catching the early bus.2.Heshoutedinsuchaloudvoice,makingthegirlcry.=Igotuplatethismorning,soIdidntcatchtheearlybus.=Heshoutedinsuchaloudvoicethathemadethegirlcry.第16页/共35页实践练习完成学案中练习四 第17页/共35页Answers 1.见黑板2.Shetoldusamovingstory,makingallofuscry.3.Shereturnedhome,findinghisparentswerenotathome.findingthecameraonthedeskmissing.第18页/共35页学习了，实践了，问题解决了吗？赶快来小试牛刀吧！高考点击 第19页/共35页1._ thatshewasgoingofftosleep,Iaskedifshedlikethatlittledollonherbed.(08北京卷24题）A.SeeingB.ToseeC.SeeD.Seen2.HeisastudentatOxforduniversity,_foradegreeofcomputerscience.(07北京北京29题）题）A.studiedB.studyingC.tohavestudiedD.tobestudying 3._,themoreexpensivethecamera,thebetteritsquality.(07全国卷二17题）AGeneralspeakingBSpeakinggeneralCGenerallyspeakingDSpeakinggenerallyABc第20页/共35页4.The storm left,_ a lot of damage to this area.(05全国二卷32题）A.caused B.to have caused C.to cause D.having caused 5.Dont sit there _ nothing.Come and help me with this table.(06湖北卷34题）A.do B.to do C.doing D.and doing6.“You cant catch me！”Jane shouted,_ away.(05全国二卷20题）A.run B.running C.to run D.ran 7._ with so much trouble,we failed to complete the task on time.(06四川33题）A.Faced B.Face C.Facing D.To faceDCBA第21页/共35页Tips 1.凡是见到having done,having been done,都是“已经”，或“动作分先后”。2.记住下列常用短语 Judging by/from根据判断Generally speaking一般说来Speaking of谈到 According to 根据Considering考虑到 Supposing假使，如果 第22页/共35页Summary 1.现在分词作状语，可以表时间，原因，伴随，结果等，大部分可转化成相应的状语从句2.现在分词作状语，可放在句首或句尾。3.现在分词的否定式在前面加not 4.状语从句要转化成现在分词作状语，其从句的主语和主句的主语必须保持一致，否则不能转化。第23页/共35页Perfect Way of Learning English Show confidenceDiscover problemsSolve problems Remember more Practise more Keep walking第24页/共35页Homework 1.Review the points and the sentences in the handout.2.Finish the last exercise in the handout.3.Preview the V-ed form.第25页/共35页提出一个问题往往比解决一个问题更重要,所以我们要善于发现。解决问题就像战场上炸碉堡，所以要善于各个击破。Thanks for your time and patience!第26页/共35页转化时主语一致2.Whentheteachercamein,thestudentswerereading.1.When he arrived at the station,he found the train was late.hehe=Arrivingatthestation,hefoundthetrainwaslate.theteacher thestudents 从句和主句主语不一致，不宜改成现在分词作状语第27页/共35页Option one:过去分词 第28页/共35页分词包括现在分词和过去分词，区别:分词分词时间时间语态语态Doing 进行进行主动主动Done 完成完成被动被动第29页/共35页分词做状语的基本原则：分词的逻辑主语必须与句子的主语保持一致。分词作状语时必须和句中主语有逻辑上的主谓关系或动宾关系，否则不能用分词作状语主谓关系用doing,动宾关系用done第30页/共35页例：You should be careful when crossing the street.(you 与cross 之间是主谓关系）Given enough time,he will do the job better.(he 与give 之间是动宾关系，所以用given)The teacher was wiping her tears,surrouned by the students who would go back home.(身边围着即将返回家的学生们，the teacher 和surround 是动宾关系）第31页/共35页1.The children went home from the grammar school,their lessons_for the day.(07重庆25题）A.finishing B.finished C.had finished D.went finished 2._ for the breakdown of the school computer network,Alice was in low spirits.（06福建33）A.Blaming B.Blamed C.To blame D.To be blamed 练习第32页/共35页Option two:独立分词结构 主句中主语与分词无主、被动关系时，在分词前加上主语。句型：N/Pron.+V-ing/V-ed,S+V S+V,N/Pron.+V-ing/V-ed 第33页/共35页Time permitting,well visit the Potala Palace tomorrow aftrenoon.It being fine,they went fishing.They came into the room,hands tied.第34页/共35页感谢您的观看！第35页/共35页
