现在分词作状语详解课件.ppt

1、Welcome to my class 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 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.1.Few visitors leave Rio feeling disappointed.2.Not knowing much English,I found it hard to understand them.3.While walking alon

2、g 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)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，的用法，那么现在分词作状语有那些用法呢？那么现在分词作状语有那些用法呢？Discovering Problems So

3、lving Problems 现在分词作状语的用法现在分词作状语的用法1.时间状语相当于when,while,after等引导的时间状语从句1.Hearing the good news,he jumped with joy.=When he heard the good news,he jumped with joy.2.Having turned off the TV,he began to do his homework.3.Be careful when crossing the street.=After he turned off the TV,he began to do his

4、 homework.=Be careful when you cross the street.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

5、 was late.实践练习 完成学案中练习一完成学案中练习一 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 2.原因状语(相当于原因状语从句）1.Being so angry,he

6、 couldnt go to sleep.=Because he was so angry,he couldnt go to sleep.=Because I am a teacher,I must work hard.=Because he had not received his fathers letter,he decided to telephone him.2.Not having received his father s letter,he decided to telephone him.3.Being a teacher,I must work hard.实践练习 完成学案

7、中练习二完成学案中练习二 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 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,considering how to solve the problem.=They came into the classroom and they sang

8、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.实践练习 完成学案中练习三完成学案中练习三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.h

9、olding a book in his hand.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.实践练习完成学案中练习四完成学案中练习四 Answers

10、 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.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 1._ that she was going off to sleep,I asked if shed like that little doll on her bed.(08

11、北京卷北京卷24题）题）A.SeeingB.To see C.See D.Seen2.He is a student at Oxford university,_ for a degree of computer science.(07北京北京29题）题）A.studied B.studying C.to have studied D.to be studying 3._,the more expensive the camera,the better its quality.(07全国卷二全国卷二17题）题）AGeneral speaking BSpeaking general CGener

12、ally speaking DSpeaking generallyA Bc4.The storm left,_ a lot of damage to this area.(05全国二全国二卷卷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,_ a

13、way.(05全国全国二卷二卷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 faceDCBATips 1.凡是见到凡是见到having done,having been done,都是都是“已经已经”，或，或“动作分先后动作分先后”。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

14、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 Summary 1.现在分词作状语，可以表时间，原因，伴随，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。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，其从句的主语和主句的主语必须保持一致从句的主语和主句的主语必须保持一

15、致，否，否则不能转化则不能转化。Perfect Way of Learning English Show confidence Discover problems Solve problems Remember more Practise more Keep walkingHomework 1.Review the points and the sentences in the handout.2.Finish the last exercise in the handout.3.Preview the V-ed form.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

16、要,所以我们要所以我们要善于发现。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。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!转化时主语一致2.When the teacher came in,the students 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 stud

17、ents 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 Option one:过去分词过去分词 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 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 例：Yo

18、u 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）1.The children went home from the gramm

19、ar 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 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 Time permitting,well visit the Potala Palace tomorrow aftrenoon.It being fine,they went fishing.They came into the room,hands tied.