现在分词作状语详解市公开课一等奖百校联赛获奖课件.pptx

Welcome to my class 第1页现在分词作状语现在分词作状语北京西藏中学北京西藏中学潘辉文潘辉文-7-1第2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3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4页思索一下以上四句话中划线部分使用方法思索一下以上四句话中划线部分使用方法以上四句话都属于以上四句话都属于现在分词作状语现在分词作状语使用方使用方法，那么现在分词作状语有那些使用方法法，那么现在分词作状语有那些使用方法呢？呢？Discovering Problems 第5页Solving Problems 现在分词作状语使用方法现在分词作状语使用方法第6页1.时间状语相当于when,while,after等引导时间状语从句1.Hearingthegoodnews,hejumpedwithjoy.=Whenheheardthegoodnews,hejumpedwithjoy.2.Havingturnedoff theTV,hebegantodohishomework.3.Becarefulwhencrossingthestreet.=Afterheturnedoff theTV,hebegantodohishomework.=Becarefulwhenyoucrossthestreet.第7页4.Seeing those pictures,he couldnt help thinking of those days in Tibet.5.Arriving at the station,he found the train was late.=When he saw those pictures,he couldnt help thinking of those days in Tibet.=When he arrived at the station,he found the train was late.第8页实践练习 完成学案中练习一完成学案中练习一 第9页Answers 2.Hearing the bad news,he felt very sad.3.Arriving at the station,he found the shop was closed.4.Seeing Zha Xi,I couldnt help thinking of the happy days in Tibet.5.Having received his letter,I decided to write back.1.见黑板见黑板 第10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11页实践练习 完成学案中练习二完成学案中练习二 第12页Answers 2.Being too nervous,he couldnt speak a word.3.Being a student,I must study hard.1.见黑板见黑板 第13页3.伴随状语(没有对应状语从句能够转换，但能够转换成并列句）1.They came into the classroom,singing and laughing.3.He sat there in silence,considering how to solve the problem.=They came into the classroom and they sang and laughed.2.She sat in an old chair,watching TV.=She sat in an old chair and watched TV.=He sat there in silence and considered how to solve the problem.第14页实践练习 完成学案中练习三完成学案中练习三第15页Answers 2.He went out of the room,singing a song./1.见黑板见黑板3.He sat there in silence,considering how to answer the question.holding a book in his hand.第16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.He shouted in such a loud voice,making the girl cry.=I got up late this morning,so I didnt catch the early bus.=He shouted in such a loud voice that he made the girl cry.第17页实践练习完成学案中练习四完成学案中练习四 第18页Answers 1.见黑板见黑板2.She told us a moving story,making all of us cry.3.She returned home,finding his parents were not at home.finding the camera on the desk missing.第19页学习了，实践了，问题处理了吗？学习了，实践了，问题处理了吗？赶快来小试牛刀吧！赶快来小试牛刀吧！高考点击高考点击 第20页1._ thatshewasgoingofftosleep,Iaskedifshedlikethatlittledollonherbed.(08北京卷北京卷24题）题）A.Seeing B.ToseeC.SeeD.Seen2.HeisastudentatOxforduniversity,_foradegreeofcomputerscience.(07北京北京29题）题）A.studiedB.studyingC.tohavestudiedD.tobestudying 3._,themoreexpensivethecamera,thebetteritsquality.(07全国卷二全国卷二17题）题）AGeneralspeakingBSpeakinggeneralCGenerallyspeakingDSpeakinggenerallyA Bc第21页4.The storm left,_ a lot of damage to this area.(05全国二卷全国二卷32题）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湖北卷湖北卷34题）题）A.do B.to do C.doing D.and doing6.“You cant catch me！”Jane shouted,_ away.(05全国二卷全国二卷20题）题）A.run B.running C.to run D.ran 7._ with so much trouble,we failed to complete the task on time.(06四川四川33题）题）A.Faced B.Face C.Facing D.To faceDCBA第22页Tips 1.凡是见到凡是见到having done,having been done,都是都是“已经已经”，或，或“动动作分先后作分先后”。2.记住以下惯用短语记住以下惯用短语 Judging by/from依据依据判断判断Generally speaking普通说来普通说来Speaking of谈到谈到 According to 依据依据Considering考虑到考虑到 Supposing假使，假如假使，假如 第23页Summary 1.现在分词作状语，能够表时间，原因，伴随，现在分词作状语，能够表时间，原因，伴随，结果等，大部分可转化成对应状语从句结果等，大部分可转化成对应状语从句2.现在分词作状语，可放在句首或句尾。现在分词作状语，可放在句首或句尾。3.现在分词现在分词否定式在前面加否定式在前面加not 4.状语从句要转化成现在分词作状语，其状语从句要转化成现在分词作状语，其从句主语和主句主语必须保持一致从句主语和主句主语必须保持一致，不然不，不然不能转化能转化。第24页Perfect Way of Learning English Show confidenceDiscover problemsSolve problems Remember more Practise more Keep walking第25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26页提出一个问题往往比处理一个问题更主要提出一个问题往往比处理一个问题更主要提出一个问题往往比处理一个问题更主要提出一个问题往往比处理一个问题更主要,所以我们要所以我们要所以我们要所以我们要善于发觉。善于发觉。善于发觉。善于发觉。处理问题就像战场上炸碉堡，所以要善于各个击破。处理问题就像战场上炸碉堡，所以要善于各个击破。处理问题就像战场上炸碉堡，所以要善于各个击破。处理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27页转化时主语一致2.When the teacher came in,the students 2.When the teacher came in,the students were reading.were reading.1.When he arrived at the station,he found the train was late.hehe=Arriving at the station,he found the train was late.the teacher the students 从句和主句主语不一致，不宜改成现在分词作状语从句和主句主语不一致，不宜改成现在分词作状语第28页Option one:过去分词过去分词 第29页分词包含现在分词和过去分词，区分: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30页分词做状语基本标准：分词做状语基本标准：分词逻辑主语必须分词逻辑主语必须与句子主语保持一致。分词作状语时必须与句子主语保持一致。分词作状语时必须和句中主语有逻辑上主谓关系或动宾关系，和句中主语有逻辑上主谓关系或动宾关系，不然不能用分词作状语不然不能用分词作状语主谓关系用主谓关系用doing,动宾关系用动宾关系用done第31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学生们，the teacher 和surround 是动宾关系）第32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 练习练习 第33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34页Time permitting,well visit the Potala Palace tomorrow aftrenoon.It being fine,they went fishing.They came into the room,hands tied.第35页