现在分词作状语详解课件.ppt

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1、关于现在分词作状语关于现在分词作状语详解详解第1页，此课件共35页哦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2008-7-1第2页，此课件共35页哦 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，此课件共35页哦1.Few visitors leave Rio feeling disappointed.2.Not knowing much English,I found it hard to

2、 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，此课件共35页哦思考一下以上四句话中划线部分的用法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以上四句话都属于现在分词作状语现在分词作状语的用法，那的用法，那么现在分

3、词作状语有那些用法呢？么现在分词作状语有那些用法呢？Discovering Problems 第5页，此课件共35页哦Solving Problems 现在分词作状语的用法现在分词作状语的用法第6页，此课件共35页哦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.Havingturnedoff theTV,hebegantodohishomework.3.Becarefulwhencrossingthestreet.

4、=Afterheturnedoff theTV,hebegantodohishomework.=Becarefulwhenyoucrossthestreet.第7页，此课件共35页哦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 h

5、e arrived at the station,he found the train was late.第8页，此课件共35页哦实践练习 完成学案中练习一完成学案中练习一 第9页，此课件共35页哦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

6、decided to write back.1.见黑板见黑板 第10页，此课件共35页哦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.Bein

7、gateacher,Imustworkhard.第11页，此课件共35页哦实践练习 完成学案中练习二完成学案中练习二 第12页，此课件共35页哦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，此课件共35页哦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.He sat there in silence,consideri

8、ng 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，此课件共35页哦实践练习 完成学案中练习三完成学案中练习三第15页，此课件共35页哦Answers 2.He went out of t

9、he 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，此课件共35页哦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 di

10、dnt catch the early bus.=He shouted in such a loud voice that he made the girl cry.第17页，此课件共35页哦实践练习完成学案中练习四完成学案中练习四 第18页，此课件共35页哦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，此课件

11、共35页哦学习了，实践了，问题解决了吗？学习了，实践了，问题解决了吗？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，此课件共35页哦1._ thatshewasgoingofftosleep,Iaskedifshedlikethatlittledollonherbed.(08北京卷北京卷24题）题）A.SeeingB.ToseeC.SeeD.Seen2.HeisastudentatOxforduniversity,_foradegreeofcomputerscience.(07北京北京29题）题）A.studiedB.studyingC.tohavestudiedD.tobe

12、studying 3._,themoreexpensivethecamera,thebetteritsquality.(07全全国卷二国卷二17题）题）AGeneralspeakingBSpeakinggeneralCGenerallyspeakingDSpeakinggenerallyA Bc第21页，此课件共35页哦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 _ no

13、thing.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，此课件共3

14、5页哦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“动作动作分先后分先后”。2.记住下列常用短语记住下列常用短语 Judging by/from根据根据判断判断Generally speaking一般说来一般说来Speaking of谈到谈到 According to 根据根据Considering考虑到考虑到 Supposing假使，如果假使，如果 第23页，此课件共35页哦Summary 1.现在分词作状语，可以表时间，原因，伴随，结现在分词作状语，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果等，大部

15、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。现在分词作状语，可放在句首或句尾。3.现在分词的现在分词的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，其从句从句的主语和主句的主语必须保持一致的主语和主句的主语必须保持一致，否则不能，否则不能转化转化。第24页，此课件共35页哦Perfect Way of Learning English Show confidenceDiscover problemsSolve problems Remember more Practise more Keep walking第25页，

16、此课件共35页哦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，此课件共35页哦提出一个问题往往比解决一个问题更重要提出一个问题往往比解决一个问题更重要,所以我们要善于所以我们要善于所以我们要善于所以我们要善于发现。发现。发现。发现。解决问题就像战场上炸碉堡，所以要善于各个击破。解决问题就像战场上炸碉堡，所以要善于各个击破。解决问题就像战场上炸碉堡，所以要善于各个击破。解决问题就

17、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，此课件共35页哦转化时主语一致2.When the teacher came in,the students were 2.When the teacher came in,the students were reading.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

18、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，此课件共35页哦Option one:过去分词过去分词 第29页，此课件共35页哦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30页，此课件共35页哦分词做状语的基本原则：分词做状语的基本原则：分词的逻辑主语分词的逻辑主语必须与句子的主语保持一致。分词作状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

19、作状语动宾关系，否则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，此课件共35页哦例：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，th

20、e teacher 和surround 是动宾关系）第32页，此课件共35页哦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，此课件共35页哦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，此课件共35页哦感谢大家观看第35页，此课件共35页哦