现在分词作状语详解课件

1、Welcome to my class Welcome to my class 现在分词作状语北京西藏中学 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. Leading-in 测一测 看一看Are you1. Few visitors leave Rio feeling disappointed. 2. Not knowing much English, I found it hard to u

2、nderstand 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) 1. Few visitors leave Rio feel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？ D

3、iscovering Problems 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Solving Problems 现在分词作状语的用法Solving Problems 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

4、careful when crossing the street. = After he turned off the TV, he began to do his homework. =Be careful when you cross the street. 1. 时间状语相当于when,while,after等引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 h

5、e saw those pictures, he couldnt help thinking of those days in Tibet. = When he arrived at the station, he found the train was late. 4. Seeing those pictures, he c实践练习 完成学案中练习一 实践练习 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.

6、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 Answers 2.Hearing the bad ne2. 原因状语(相当于原因状语从句） 1. Being so angry, he couldnt go to sleep. =Because he was so angry, he couldnt go to sleep. =Because I am a teacher, I m

7、ust 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.2. 原因状语(相当于原因状语从句） 1. Being so实践练习 完成学案中练习二 实践练习 完成学案中练习二 Answers 2.Being too nervous, he couldnt

8、 speak a word. 3.Being a student, I must study hard. 1. 见黑板 Answers 2.Being too nervous, h3. 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 and laughed

9、. 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. 3. 伴随状语(没有相应的状语从句可以转换，但可以转换成并列实践练习 完成学案中练习三实践练习 完成学案中练习三Answers 2. He went out of the room, singing a song./1. 见黑板3. He sat there in silence, consider

10、ing how to answer the question. holding a book in his hand. Answers 2. He went out of the 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

11、 such a loud voice that he made the girl cry. 4. 结果状语(可转化为结果状语从句）1. I got up实践练习完成学案中练习四 实践练习完成学案中练习四 Answers 1.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. Answers 1.见黑板2. She told us a 学习

12、了，实践了，问题解决了吗？赶快来小试牛刀吧！ 高考点击 学习了，实践了，问题解决了吗？高考点击 1. _ that she was going off to sleep, I asked if shed like that little doll on her bed. (08北京卷24题） A. SeeingB. To see C. See D. Seen2. He is a student at Oxford university, _ for a degree of computer science. (07北京29题） A. studied B. studying C. to have

13、 studied D. to be studying 3._ ,themoreexpensivethecamera,thebetteritsquality. (07全国卷二17题） AGeneralspeaking BSpeakinggeneral CGenerallyspeaking DSpeakinggenerallyA Bc1. _ that she was going of4. 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. ha

14、ving 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

15、 B. Face C. Facing D. To faceDCBA4. The storm left, _ a lTips 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 Tips 1.凡是见到having done, havingSummary 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

16、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。 Summary 1.现在分词作状语，可以表时间，原因，伴随，Perfect Way of Learning English Show confidenceDiscover problemsSolve problems Remember more Practise more Keep walkingPerfect Way of Learning EnglisHomework 1. Review the points an

17、d the sentences in the handout.2. Finish the last exercise in the handout.3. Preview the V-ed form. Homework 1. Review the points 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!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。转化时主语一致2. When the teacher came in , the students w

18、ere 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转化时主语一致2. When the teacher camOption one: 过去分词 Option one: 过去分词 分词包括现在分词和过去分词， 区别:分词时间语态Doing 进行主动Done 完成被动分词包括现在分词和过

19、去分词， 区别:分词时间语态Doing 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