必修四-Unit4现在分词作状语.ppt

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1、The Present Participle,-Used as Adverbial,Revision:,_ is believing.眼见为实。In the summer we enjoy _(坐)under the big tree.Her job is _(照顾婴儿)。The story is _(有趣的)。How can you keep her _(等待)in the rain.The man _(站在那里)is my father.,Finish the sentences.,Seeing,sitting,taking care of the babies,interesting,w

2、aiting,standing over there,主语,宾语,表语(动名词),表语(现在分词),宾语补足语,定语,1)Yesterday,another student and I,_our universitys student association,went to the Capital International Airport to meet this years international students.2)After half an hour of _ for their flight to arrive,I saw several young people enter

3、the _ area looking around curiously.3)I stood for a minute _ them and then went to greet them.4)She stepped back _ surprised and put up her hands,as if in defence.,原文再现,appearing,representing,watching,waiting,waiting,5)Then Akira Nagata from Japan came in _,together with George Cook from Canada.6)Ju

4、st at that moment,however,Akira bowed so his nose touched Georges _ hand.7)When Darlene Coulon from France came _ through the door,she recognized Tony Garacias _ face.8)In the same way that people communicate with spoken language,they also express their feelings _ unspoken”language”through physical

5、distance,actions or posture.归纳:其中第3、4、5、8 句中的V-ing 在句子中充当_成分。,smiling,smiling,moving,dashing,using,状语,-ing分词作状语代替状语从句可以表示,现在分词作状语代替状语从句,时间、原因、结果、条件、或伴随情况等,,注:从句的主语和主句的主语必须一致。即-ing分词作状语时,它的逻辑主语就是整个句子的主语,并表示主动的关系。,Task1观察例句:1.Walking in the street,I came across an old friend of mine.When I was walking

6、 in the street,I came across an old friend of mine.2.Waiting for the bus,he read a copy of China Daily.While he was waiting for the bus,he read a copy of China Daily.合作归纳:V-ing做_状语,可以转换成_从句。,时间,时间状语,小试牛刀:(1、2转换句子),1.When I saw the picture,I couldnt help thinking of my childhood.2.Be careful while yo

7、u are crossing the street.3._ your homework,you mustnt listen to music.A.When do B.When to do C.When doing D.When you doing,=Seeing the picture,I couldnt help thinking of my childhood.,=Be careful while crossing the street.,C,Task2 观察例句:,1.Being ill,he didnt go to school.Because he was ill,he didnt

8、go to school.2.Thinking he might be at home,I called him.As I thought he might be at home,I called him.合作归纳:V-ing做_状语,可以转换成_从句。,原因,原因状语,小试牛刀:,Feeling tired,I went to bed early._Because we didnt know her address,we couldnt get in touch with her._,Because I felt tired,I went to bed early.,Not knowing

9、her address,we couldnt get in touch with her.,Task3 观察例句:,1.Exercising every morning,you will improve your health.If you exercise every morning,you will improve your health.2.Using your head,you will find a way.As long as you use your head,you will find a way.合作归纳:V-ing做_状语,可以转换成_从句。,条件,条件状语,小试牛刀:,I

10、f you work hard,you will succeed.Staying here for some time,youll find the people here are friendly.,Working hard,you will succeed.,If you stay here for some time,youll find the people here are friendly.,Task4 观察例句:,1.She was so angry that she threw the toy on the ground,breaking it into pieces.She

11、was so angry that she threw the toy on the ground and broke it into pieces.2.An big earthquake hit Lushan,causing a great loss.An big earthquake hit Lushan,and caused a great loss.3.He hurried to the station only to find that the train had left.,合作归纳:,V-ing做_状语,表示主语造成的_。作结果状语,用现在分词或不定式,其区别是,一般要用现在分词

12、表_的结果,不定式表_的结果.,结果,结果,意料之中,意料之外,小试牛刀:,The child slipped and fell,_(hit)his head against the door.The old man died,_(leave)nothing but debts.He hurried to the booking office only _ that all the tickets had been sold out.A.to tell B.to be told C.telling D.told,hitting,leaving,B,Task5 观察例句:,1.We were s

13、itting by the window,talking about what happened yesterday.=We were sitting by the window,and talked about what happened yesterday.2.He sat on the sofa,watching TV.=He sat on the sofa,and watched TV.合作归纳:V-ing做状语,表示_。作伴随状语的分词表示的动作,必须是_的一个动作,或是与谓语所表示的动作(或状态)_,或是对谓语表示的动词(或状态)作进一步地_。,伴随,主语的,同时发生,补充说明,1

14、.他们笑着谈着走进了教室。,_,they went into the classroom.,2.他斜靠(lean)着墙站着。,He stood leaning against the wall.(He _ and _ against the wall.),Laughing and talking,(They _ and _,and they went into the classroom.),laughed,talked,leaned,stood,探究点二:v-ing 作状语的注意事项,Task1 完成句子并归纳用法True or false:1.Seeing from the top,the

15、 school looks more beautiful.()2.Seeing from the top,we find the school more beautiful.()合作归纳:V-ing 逻辑主语和主句主语_(要/不要)保持一致。,F,T,要,Task2 形式:时态和语态,1.Hearing the bell,the students began to enter the classroom.听见铃声,学生们开始走进教室。归纳:听见和进入两个动作_或_发生。2.Having done the work,he went home.3.Having graduated from the

16、 college,he went to a village and worked as a teacher there.归纳:having done the work为现在分词的_,表示动作_谓语动词发生。Having graduated(毕业)这个动作发生在_之前。,一般同时,基本同时,完成时态,先于,去农村做老师,4.All the tickets having been sold out,they went away disappointedly.所有的票已经卖光了,他们失望地离开了。5.Not having been watered for a long time,the flower

17、 is almost dying.归纳:having been sold out 为现在分词的_,表示动作先于谓语动词发生。Not having been watered 为现在分词的_,表示浇水这个动作在 _动作之前。,完成被动态,否定形式,花死,_ _ _ _,he missed the first bus._ _ _ _ _ _,he stood up._ _ _ _,he stopped to have a rest._ _ _ _ _,she didnt know what he wanted.,没有早起,他错过了第一趟公共汽车。),由于被要求回答这个问题,他站了起来。,已经完成了作

18、业,他停下来休息。,没有与约翰谈过,她不知道他想要什么。,Not getting up early,Being asked to answer the question,Having finished his homework,Not having talked with John,Grammar work 语法专练用所给动词的适当形式填空。1.Not _(know)his address,I couldnt go to see him yesterday.2.Look out(小心)for cars when _(cross)the street.3.Not _(invite)to the

19、party,Mary was greatly hurt.,knowing,crossing,having been invited,4.He dived into the water,_(leave)only his face exposed(暴露).5.When I got back home I saw a message pinned(别在)to the door,_(read写着)“Sorry to miss you;I will call later.”6._(take)a deep breath,they dived into the water.7._(close)the win

20、dows and the door,the students left the room.,leaving,reading,Taking,Having closed,对比练习,1._many times,but he still couldnt understand it.2._many times,he still couldnt understand it.A.Having been told B.ToldC.He was told D.He been told 3._from space,the earth looks blue.4._from space,we can see the

21、earth is blue.A.Seen B.Seeing C.To see D.See,C,A,A,B,but,the earth,we,but,the earth,but,-When seeing the professor,I said hello to him.-When seen from space,the earth looks like a globe.,-When _ the professor,I said hello to him.-When _ from space,the earth looks like a globe.,I saw,it is seen,时间状语,

22、简单句 简单句,-If taking this medicine,youll recover from your illness.-If taken out of the fridge,the ice-cream will melt.,-If _ this medicine,youll recover from your illness.-If _ out of the fridge,the ice-cream will melt.,you take,it is taken,条件状语,简单句 简单句,她身穿一条裙子。(wear/dress)-She is wearing a shirt.-Sh

23、e is dressed in a shirt.,-Wearing a shirt,she felt cold in the wind.-Dressed in a newly-bought shirt,she felt confident of herself.,原因状语,主动,被动,我坐在后面。(sit/seat)-Im sitting at the back.-Im seated at the back.,-Sitting at the back,I cant figure out the words on the blackboard.-Seated at the back,I was

24、asked to stand up to answer the question.,原因状语,主动,被动,-Some fans rushed out of the airport,_(follow)the film star.-The detective stepped into the house,_(follow)by a police dog.,伴随状语,following,followed,I was told that there were about 50 foreign students _ Chinese in the school,most_were from Germany

25、.(2006年 辽宁卷)A.study;of whom B.study;of themC.studying;of them D.studying;ofwhom,高考链接,2.Dont sit there _ nothing.Come and help me with this table.(2006年 湖北卷 A.do B.to do C.doing D.and doing,3.Come on,please give me some ideas about the project.Sorry.With so much work _ my mind,I almost break down.(20

26、07年 福建卷)A.filled B.filling C.to fill D.being filled,4.Can I smoke here?Sorry.We dont allow _ here.(2007年 江苏卷)A.people smoking B.people smoke C.to smoke D.smoking,only to do 作结果状语,表示出乎意料的结果,翻译为结果发现,最后发现1.I hurried to the post office only to find it closed.(我匆匆地去邮局,却发现它已经关门了)2.They arrived at the airport in haste only to find that the plane had taken off.(他们匆忙赶到机场,结果却发现飞机已经起飞了。),

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