Unit 5 The power of nature Grammar Revision of V-ing Form 课件（共18张PPT）

(共18张PPT)
Grammar
Revision of V–ing form
(动词-ing形式的复习）
本课时重、难点
重点:
①动词-ing形式的作用
②动词-ing形式在做状语时的作用
难点:
动词-ing形式的一般式与完成式的区别
1. 说出下列动词的现在分词形式：
work________ sleep_______ study_____
take_______ make_____ dance_____
cut ______ put _______ begin______
lie _______ tie ______ die _______
working
sleeping
studying
taking
making
dancing
cutting
putting
beginning
lying
tying
dying
2. 动词-ing形式的作用：
观察下列例句，思考划线部分作用。
(1) This is an interesting book. ( )
(2) The man sitting by the window is our maths teacher. ( )
(3) Seeing the teacher entering the room, the students stood up. ( )
(4) I saw the boy walking on the street yesterday. ( )
(5) Playing football is his favorite sport. ( )
(6) I didn’t stop working last night. ( )
(7) My work is teaching English. ( )
定语
定语
状语
宾补
主语
宾语
表语
归纳总结：
◆动词-ing是____________________中的一种，单独使用时，能在句中做除______之外的任何其他句子成分。如：主语、宾语、表语、定语、状语、宾补等。

◆在语态上，动词-ing表示_____（主动/被动的动作。在时间上，动词-ing一般表示______（正在进行/已经完成）的动作。
动词非谓语形式
谓语
主动
正在进行
3. 动词-ing形式，在做状语时的作用：
(1) I stood there, taking a book in hand . ( )
(2) Knowing where I live, he never comes to
see me. ( )
(3) Turning to the left, you will find the
school. ( )
(4) Being tired, I stopped to take a rest. ( )
(5) Walking along the street, I met Mary.( )
表伴随
表让步
表条件
表原因
表时间
(二）观察下列2个句子, 体会having done与doing的不同的用法
(1) Having written the letter, John went to the post office.
(2) Seeing the beautiful sight, the children felt excited.
总结:
①

②
V-ing
doing
having done
表动作有先有后
表动作同时发生
一般式
完成式
Exercise 1
1). __ the child to bed, she began to correct the students’ homework. A. Sending B. Being sent
C. Sent D. Having sent

2). Be careful when / while ________ (cross) the street.
3). _______________ ( 听到这个消息) , we got excited.
crossing
Hearing the news
D
Exercise 2:
1).她被蛇咬了三次后，她看见蛇后就害怕。
____________________________________,


2).正在进行的那个会议非常重要。
____________________________________
she feels frightened when seeing the snake.
Having been bitten by the snake for three times
The meeting being hold now is of great importance.
①

②
V-ing
doing
having done
一般式
完成式
being done
having been done
主动
被动

1)______________him the answer several times, I didn’t know whether he could understand.
2)_________________the answer several times , he still couldn’t solve the question.
Having told
Having been told
Exercise 3:
用having been told \ having told填空
主动
被动
归纳
主句主语为动作的发出者。
主句主语为动作的承受者。
高考链接
1．(2005全国I) The storm left, _______ a lot of damage to this area.
A. caused B. to have caused
C. to cause D. having caused
2.(2004广东) _____ the programme, they have to stay there for another two weeks.
A. Not completing
B. Not completed
C. Not having completed
D. Having not completed
D
C
3.______carefully, the patient left the hospital.
A. Having examined B. Being examined
C. Examining D Having been examined
4._____many times, but he still couldn’t understand it.
A. Having been told
B. Though he had been told
C. He was told
D. Having told
D
B

将每组中的两个句子组合成一个带有动词-ing形
式的句子。
(1) Alice saw a volcano erupting in the morning.
She felt excited and couldn’t fall asleep at night.

Having seen a volcano erupting in the morning, Alice felt excited and couldn’t fall asleep at night.
(2) I knew the sight is impressive on the
top of the mountain.
I made an effort to climb onto it.



Knowing the sight was impressive on the top of the mountain, I made an effort to climb onto it.
(3) The new book of the famous novelist was very boring.
It didn’t become popular among young people.
Being very boring, the new book of the famous novelist didn’t become popular among young people.
(4) Jim knew he had HIV.
He was absolutely anxious and frightened about it.

Knowing he had HI, Jim was absolutely anxious and frightened about it.

(5) He glanced through the window.
He saw a swallow trembling on the ground with a broken leg.
Glancing through the window, he saw a swallow trembling on the ground with a broken leg.
(6) After I got the news about the terrible typhoon, I called my father to see if everyone was OK.
Having got the news about the terrible typhoon, I called my father to see if everyone was OK.