中国

人教课标版 高一 必修 4Unit 4

Grammar

第 2页

V-ing 形式由 “ do ＋ ing” 构成 , 其否定形式是 “ not doing”, 没有人称和数的变化 , 但有时态和语态的变化。

V-ing 形式由 “ do ＋ ing” 构成 , 其否定形式是 “ not doing”, 没有人称和数的变化 , 但有时态和语态的变化。

Grammar

V-ing 形式V-ing 形式

第 3页

　语态时态

主动语态 被动语态

一般式

完成式(not) doing(not) doing (not) being done(not) being done

(not)having done(not)having done

(not)having been done(not)having been done

第 4页

Read the sentences, and judge the

functions of the –ing form.

1. They are visitors coming from several

countries.

2. Talking to him is talking to a wall.

3.He admitted taking the money.

4. As he spoke, he observed everybody

looking at him curiously

定语

主语

表语

宾语

宾补

第 5页

1.Being ill ,she went home .( )

2.She sat at the desk reading a newspaper.( )

3.Hang Wei went to school, taking a train. ( )

4.While reading the book, he noded from time to time.( )

5.Heating water ,we can change it into vapor.( )

原因

伴随

方式

时间

条件

第 6页

分词 作状语时表示的动作是主语动作的一部分，与谓语的动作是同时或几乎同时发生，有时先于谓语动词发生。可以表示时间 , 原因 , 结果 , 条件 , 目的，让步，方式或伴随动作等。

分词 作状语时表示的动作是主语动作的一部分，与谓语的动作是同时或几乎同时发生，有时先于谓语动词发生。可以表示时间 , 原因 , 结果 , 条件 , 目的，让步，方式或伴随动作等。

1.Using your head, you’ll find a good

way. 条件

If you use your head, you’ll find a good way

第 7页

2. Being poor, he couldn’t afford a TV set.

Because he was poor, he couldn’t afford a TV set.

3. Walking in the street, I came across an old friend of mine.

When I was walking in the street ,

I came across an old friend of mine.

第 8页

4.He walked down the hill, singing

softly to himself.

4.He walked down the hill, singing

softly to himself.

He walked down the hill and sang softly to himself.

5 Having visited the temple before, they want to see it again

Although they have visited the temple before, they want to see it again

第 9页

用动词的 -ing 形式改写下列句子1. She sat at the desk and did her homework. She sat at the desk ______ ____ __________.

2. Because he hadn’t received an answer, he decided to write another letter to

him. ____ ______ ______ an answer, he decided to write another letter to him.

her

Not having received

doing homework

第 10页

3. When he sees the mountain, he always

thinks of his hometown.

_______ the mountain, he always thinks

of his hometown.

Seeing

4. He hunted all the shops to look for a nice present for his mother. He hunted all the shops, ______ ___ a nice present for his mother.

looking for

第 11页

5. Because it is Sunday, there are no

students in the school.

It _____ ______, there are no

students in the school.

being Sunday

第 12页

I waiting for the bus, a bird fell on my head.我等汽车时，一只鸟落到我头上。Mary coming back, they discussed it together.玛丽回来后，他们一起讨论了这件事情。Time permitting, we’ll do another two exercises.

如果时间允许，我们将做另两个练习。当分词的主语与句子的主语不一致时，要将分词的主语写出来，放置分词的前面。

Attention Please!

第 13页

有时，一个分词短语用来作状语解释整个句子，这时，这个分词的逻辑主语和句子的主语不一致，我们可以把这样的分词短语看作室一个插入语Generally speaking, to be a good man is not

easy .

Judging from her accent , this lady is from

America.

Considering the weather ,the sports meeting

was put off.

第 14页

1. Having not seen the paper, I can’t tell you

whether it is easy or not.

2. Suffering such heavy pollution already, it may

now be late to clean up the river.

3. Seen from the window of the clossroom, we

find an lady waiting at the gate.

4. Judge from his expression, he must know the

truth.

5.Weather permitted, we will go out.

Not having

Having suffered

Seeing

Judging

单句改错

permitting

第 15页

1.. When ________ different cultures,

we often pay attention only to the

differences without noticing the many

similarities.( 浙江 2006)

A. compared B. being compared

C. comparing D. having compared

高考链接

第 16页

2.. While watching television, ________.

(2005 全国卷 III)

A. the doorbell rang

B. the doorbell rings

C. we heard the doorbell ring

D. we heard the doorbell rings

第 17页

3. Dina, __ for months to find a job as a

waitress , finally took a position at a

local advertising agency.( 湖南 2010)

A. struggling B. struggled

C. Having struggled D. to struggle

第 18页

4. It rained heavily in the south ,_____ serious flooding in several provinces.( 天津 2010) A. caused B. having caused C. causing D. to cause

第 19页

5_____ that he was in great danger ,

Eric walked deeper into the forest.

( 浙江 2008)

A. Not realized

B. Not to realize

C. Not realizing

D. Not to have realized

中国

Thanks For Your Time

谢 谢！