课件51张PPT。Grammar and usageVerb-ing form as an adjective or adverbLead-in
Choose the right answer.1.The children stopped ___as the teacher came in.
A talk B to talk C talking D talked2.He is quite used _______in all sorts of weather.
A fly B to fly C to flying D to flied 3.Doctor Bethune went on ____throughout the night.
A work B worked
C to work D working4.Your shoes are dirty. They need ___ badly.
A wash B washed
C to wash D washing 5.The teacher spent a lot of time ___me
with my grammar.
A help B to help
C helped D helping6.It was raining hard, but we kept on _____forward.
A move B move C moving D to move7.Please come early. Don’t keep us_______ for long.
A wait B to wait C waiting D waited 8.She suggested ______for an outing next Sunday.
A go B to go C going D gone
9.Wang lin insisted on_____to work in the countryside.
A be sent B sending C being sent D send10.Would your friend mind_______a little more softly?
A to speak B spoken
C speaking D speak 11.I don’t feel like____to the movies.
A go B to go
C going D gone12.The shy girl doesn’t like ___ at in public.
A laughing B to laugh
C laughed D being laughed13.I first considered ______to him,
but then decided ______him.
A writing; seeing B to write; to see
C writing; to see D to write; seeing 现在分词的作用: 可以作形容词和副词作用，在句中作 定语表语或宾语补足语。
1.做定语
It is a very moving film and it is well worth seeing.
Upon hearing the exciting news,they jumped with great joy.单个的现在分词作定语，放在名词的前面，相当于形容词，可加副词修饰。 The fast-growing economy has caused environmental problems.
Canada is an English—speaking country.
有时现在分词可以和副词或名词构成复合形容词。
Translate the following phrases.a reading rooma washing machinean exciting eveningan interesting crosstalk阅览室洗衣机激动人心的夜晚有趣的相声a sleeping cara smoking room listening practice an opening speecha booking officerunning water卧铺车吸烟室听力练习开幕词售票处自来水The girl sitting in the corner is my best friend.=The girl who is sitting in the corner is my best friend.
People working in that bank are well paid.=People who work in that bank are
well paid.
现在分词短语作定语放在名词后面，意思和定语从句一样，并且可以转变成定语从句。
This lesson is boring.
There are sleeping students in class.
（表语）（定语）2.作表语
Your journey is really exciting.
What you did was disappointing.
The nightmare I had last night was very frightening.
现在分词作表语通常表示主语的属性和特征.
3.作宾语补足语
We find the journey to Africa exciting.
He had a strange way to make his classes interesting.
I heard someone playing the violin in the next room.
注意：在see,hear,watch,feel,notice等动词后，用现在分词构成的复合宾语，表示动作正在进行；而动词原形则表示动作的全过程，即动作已结束。
We saw the teacher making the experiment.
I saw the girl get into the car and drive off.
现在分词用于动词stand sit 和lie后，通常表示这两个动作同时发生。
They stood talking to each other.(现在分词talking用于动词stand后，表示动作talk和动作stand 同时发生）＝They stood when they were talking to each other.注意：现在分词也有完成时式having+过去分词
Having worked side by side with many environmentalists,I know that a healthy environment and growing economy should be possible at the same time.(现在分词的完成时形式having worked 说明work先于主句谓语动词know发生）Part 2Verb-ing phrases做状语
现在分词作状语时，其逻辑主语必须与句子的主语相同；如果不相同，分词前必须加上自己的主语，这种结构被称为独立主格结构。
Time permitting,I will stay for another week.=If time permits,I will stay for another week.
1. a. Hearing the news, tears ran down her face.
b. Hearing the news, she cried out sadly.
2. a. Entering the classroom, I found nobody in it.
b. Entering the classroom, nobody was found in it.Choose the correct sentence.3. a. Looking out through the window, the garden was beautiful.
b. Looking out through the window, we saw a beautiful garden.
4. a. Reading the evening newspaper, a dog started barking.
b. I was reading the evening newspaper when a dog started barking.5. a. Being fine, we will have the sports meeting next week.
b. It being fine, we will have the sports meeting next week.-ing形式的否定式为在其前面加not。
如：
He sat there, not knowing what to say.1.作伴随状语
动词stand,sit和lie加现在分词作伴随状语，表示两个动作同时发生。
We sat there talking to each other.
The poor man sat by the road, begging.
2.作方式状语，表示方式。
Americans like travelling, driving their cars.
They often communicate with each other, using English.
3.作时间状语，相当于状语从句。
现在分词可表示动作同时发生或进行，而现在分词的完成时可表示动作的先后顺序，表示它发生在主句谓语动词表示的动作之前。
Seeing the big snake,the girl was almost frightened to death.=When she saw the big snake,the girl was almost frightened to death.
Having waited in the line for half an hour,he suddenly realized that he left his wallet at home.=After he waited in the line for half an hour, he suddenly realized that he left his wallet at home.
有时表示时间的分词短语可由连接词when,while,once,until,whenever等引出。
While reading the novel,he nodded from time to time.4.作原因状语，相当于原因状语从句。
Being a student, I must work hard.=Because I am a student, I must work hard.
Not knowing what to do next, he turned to the teacher for help.=Because he didn’t know what to do next, he turned to the teacher for help.
5.作结果状语
Both his parents died in the war,leaving him alone in the world.
The fish can eat a person in two minutes, leaving only the bones.6.作条件状语
Working hard,you will succeed one day.
=If you work hard,you will succeed one day.
Putting more salt into the soup, you will find it more delicious.
注意：
现在分词的否定式中，否定词not 必须放在
最前面。
Not knowing much English,he found it difficult to communicate with foreigners.
Not having received a reply,he wrote a letter to the professor again.Exercises1.___full preparations,we decided to put put off the meeting till next week.
A. We did not make
B. Having not made
C. We had not made
D. Not having made2.European football is play in 80 countries,____it the most popular sport in the world.
A. making B. makes
C. made D. to make
3. ____ what the situation would be like, they decided to keep silent.
A. Having not known
B. knowing not
C. Not know
D. Not knowing 4. ____ the earth to be flat, many feared that Columbus would fall off the edge of the earth.
A. having believed
B. Believing
C. Believed
D. Being believed5. ____ such heavy pollution already, it may now be too late to clean up the river.
A. Having suffered
B. Suffering
C. To suffer
D. Suffered6. ___ all over the hills and around the lake are wild flowers of different kinds.
A. To grow
B. Growing
C. Grown
D. Grow7. Tom sat under a tree, and seeing his friend, _____ up in no time.
A. to stand B. standing
C. stood D. would stand
8. He sent me an email, ____ to get further information.
A. hope B. hoping
C. to hope D. hope9. ______ the programme, they have to stay there for another two weeks.
A. Not completing B. Not completed
C. Not having completed
D. Having not completed10. Suddenly, a tall man driving a golden carriage _____ the girl and took her away, ____ into the woods.
A. seizing；disappeared
B. seizing；disappearing
C. seizing；to disappear
D. seized；disappearing1. Their car was caught in a traffic jam, thus ____ the delay. A. to cause B. causing C. caused D. cause
2. One by one Peter sold his bits and pieces（零碎东西）, ____ only a mite（一点儿） of their worth.
A. getting B. got C. to get D. getExercise3. After seeing the movie, _____. A. the book was read by him B. the book made him want to read it C. he wanted to read the book D. the reading of the book interested
him4. The next morning she found the man in bed, _____ dead.
A. lying B. lie C. lay D. laying
5. There was terrible noise ____ the sudden burst of light.
A. followed B. following
C. to be followed D. being followed6. The secretary worked late into the night, ____ a long speech for the president.
A. to prepare B. preparing
C. prepared D. was preparing7. “Can’t you read?” Mary said____ to the notice.
A. angrily pointing B. and point angrily C. angrily pointed D. and angrily pointing8. He worked day and night, ____ his task ahead of time. A. finished B. finishing C. finish D. to finish
9. I was in the bathroom, not ___ the knock at the door.
A. hear B. to hear C. hearing D. heard10. ___ a reply, he decided to write again.
A. Not receiving B. Receiving not C. Not having received D. Having not received
11. What worried the boy most was ___ to visit his father in the hospital. A. his not allowing B. his not being allowed C. having not been allowed D. his being not allowed12. They apologized for ____ to attend the meeting. A. their not being able B. their being not able C. them not able D. them being able notThanks!Bye-bye!课件21张PPT。ProjectProtecting the Yangtze RiverAs the third longest river in the world, how long is the Yangtze River? What are the three longest rivers in the world?How many provinces does it run across? It runs across nine provinces.It is 6,300 kilometers long.The Nile in Africa, the Amazon in South America and the Yangtze River in China. the rare animals and fishesWhite-flag dolphin Yangtze alligator Zhonghua sturgeon What has caused the pollution of the
Yangtze River?
What bad effects has it had on the ecology
of the area besides health problems?
What have been done to deal with
the problem?
What do the two special government
projects focus on?
Have people solved all the problems
concerning the Yangtze River? 1. What has caused the pollution of the
Yangtze River?
Rapid agricultural and industrial development plus huge population growth has resulted in the rising amount of water taken from the river, and the waste being put back into the river.Answer the following questions.2. What bad effects has it had on the ecology of the area besides health problems?
It has killed many plants and animals.3. What have been done to deal with the problem?
Environmental organizations and projects have been set up to deal with the problem.4. What do the two special government projects focus on?
They focus on the problems along the Yangtze River. The water and soil preservation project is to replace the crops on the farmland with trees or grassland, and the second includes a nature reverse for white-flag dolphins. 5. Have people solved all the problems concerning the Yangtze River?
No, we still have a long way to go.Protecting the Yangtze RiverUnsafe drinking water
Killing many plants and animals.
Endangering the wild animal
population.Rapid agricultural and industrial development; Huge population growth;
Untreated human and industrial
sewageSet up environmental organizations and projects; Educates and advises people;
Realize the responsibility to protect the Yangtze RiverRead the text carefully and analyse the structure of it. Notes:
The problems and causes
As a student, what you should do to protect
the environment
What can you do to make others aware of
the importance of protecting the Yangtze
River Write a report about what students should do to protect the environment. Below are some hints for you to follow.Close Text: T , many people have r the importance of protecting the Yangtze River and e_____ organizations and projects have been set up to d______ with the problem. The Green River organization is a non-g organization that educates and advise people on the importance of p this great river. hankfully ognized nvironmental ealovernment rotecting Close test: The organization also watches the river and stops the i______ hunting of animals which had been a m_______ problem and which has e the wild animals.
Two government projects are also u_____ way to protect the river. llegal ajor ndangered nderThe projects f on problems along the Yangtze River such as water c_______. Experts have a______ the river and are now trying to work out possible s to the many problems. The river and soil p project was set up in 1989. ocusonservation nalysed olution reservation
