(共22张PPT)
含义
-ing形式是非谓语动词的一种形式,不能单独充当谓语。
二. 构成
1.构成: 动词原形+-ing
2.规则:
①一般情况,直接+ing; 如 studying
②以不发音的e结尾,去e+ing; 如writing
③以重读闭音节结尾,末尾只有一个辅音字母的动词,双写这个辅音字母再加ing; 如stopping
④以ie结尾,变ie为y,+ing,如:die,dying;lie,lying.
Doing做主语小结:
1.特征:
单个的动词-ing形式作主语,谓语动词用单数。
2.句型:
1)doing 作主语句型: Doing …. + V + O
2)但有些含有动名词的句型,为避免句子主语太长,通常用it作形式主语,-ing形式作真正的主语。下面列举几种最常见的句型:
Eg. It’s no use crying over spilt (倾倒出)milk.
① It +be +no good /use doing…做…无益/无用
It’s a waste of time thinking hard about the past.
②It +be +a waste of time doing…做…是浪费时间
There is no harm in doing so.
③ There +be +no +n. +in +doing …做…没有…
Doing做宾语 (动词宾语和介词宾语)
He finished reading the book yesterday.
I enjoy learning English. (动词宾语)
I am fond of watching TV.(介词宾语)
Complete these sentences:
1. If you can keep ________(read) English newspapers, your English will be improved.
2. He has promised __________(come) to my birthday party.
3. I hate _________________(tell) lies!
4. * I will never forget __________(go) to Beijing with him last summer.
* I forgot ________(tell) her the news; so she knew nothing about it.
reading
to come
telling/to tell
going
to tell
Examples:
1)Seeing is believing.
(主语和表语)
2)The boy standing there is Mary’s son.
(定语)
3)I heard her singing an English song when I passed by her room yesterday.
(宾语补足语)
作表语
His job is teaching English.
= Teaching English is his job.
The news is astonishing.
What I suggest is______________.
The novel is not as______________ as I expected.
作定语
a. the laughing audience / an amusing story
= a story that is amusing.
a____________pool 游泳池
a____________stick手杖
a____________room阅览室
____________ water饮用水
____________materials建筑材料
swimming
walking
reading
drinking
building
作定语
The girl singing on the stage is my sister. ( 短语后置)
= The girl who is singing on the stage.
动词 -ing 形式如果是短语,应放在所修饰的名词 ,相当于__________。
后
定语从句
1. They are visitors coming from several countries.
(=who come from several countries.)
2.Three days later I received a letter offering me
the job.
(=which offered me the job.)
3.The girl standing there is my classmate.
( =who stands there )
4. The man speaking to the teacher is my father.
(who is speaking to the teacher)
Step 2. The boy who is coming to dinner this evening
is a classmate of mine.
Step 1. The boy is coming to dinner this evening
He is a classmate of mine.
Step 3. The boy coming to dinner this evening is a
classmate of mine.
The boy ______________ is a friend of mine.
Doing 作宾语补足语。句中的谓语动词
通常为 a: 感官动词,
如:see, notice, watch, hear, listen to, feel,
observe, find + sb + doing
We heard the children singing in her room.
We watched the children diving into the
water from the top board.
b. 役使动词. 表示“使”,“让”的意思。
keep sb doing 保持.. leave sb doing 使处于…
get sb/ sth doing让做 have sb doing 让…做..
set sb/ sth doing…使…
I leave the machine running all day.
我让机器整天运转着。
More examples
Step 1. People saw the police.
The police were breaking the window with a
hammer. (简单句)
Step 2. People saw the police who were breaking the
window with a hammer. (定语从句)
Step 3. People saw the police breaking the window
with a hammer. ( doing 短语作宾补)
Yesterday I saw a man______________.
Yesterday I saw a man sliding on a banana skin.
1.Eugene's never willing to alter any of his opinions. It's no use ___ with him.
(06年上海高考)
to argue B. arguing
C. argued D. having argued
2.Victor apologized for ____to inform me of the change in the plan.(04年上海高考)
A. his being not able B. him not to be able
C. his not being able D. him to be not able
Grammar work 语法专练
3.I'll never forget ____Paris for the first time.
A. to visit B. visit C. visiting D. visited
4.I regret ________hard at school.
A. not to study B. not having studied
C. not study D. having not studied
5.The old man needs________.
look after B. looking after
C. being looked after D. to look after
6.The problem is worth_______.
A discussing B. discuss C being discussed D. discussed
7.Please remember ___the lights before _____the classroom.
A. turn off; leave B. to turn off; leaving
C. turning off; leave D. turning off; leaving
8._____is believing.
to see B. Seeing
C. See D. having seen.
9.Don’t leave the water _______ while you brush your teeth.
A. run B. running
C. being run D. to run
10.John’s bad habit is _____ without thorough understanding.
? A. read B. being read
C. to be read D. reading
14. He looked around and caught a man______ his hand into the pocket of a passenger.
A. put B. to be putting
C. to put D. putting
15. Tell Mary that there’s someone ____ for her at the door.
A. waiting B. waited
C. waits D. to wait
16. The _______ waiter came up to us and said, “You are welcome.”
A. smiling B. smiled
C. smile D. to smile