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odyssey高中非谓语动词讲解

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2021-01-24 14:02
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2021年1月24日发(作者:强壮)


非谓语动词


在句中充当除谓语以外的句子成分的动 词形式叫做非谓语动词。非谓语动词分
为三种形式:不定式、动名词和分词(分词包括现在分词和过去分 词)


不定式、动名词和现在分词都有时态和语态的变化
.
不定式

主动语态

被动语态

与谓语动词的关系

一般式

To do
To be done
动作发生在谓语动作
之后

进行式

To be doing

与谓语动作同时发生

完成式

To have done
To have been done
动作发生在谓语动作
之前


动名词

主动语态

被动语态

与谓语动词的关系

一般式

Doing
Being done
与谓语动作同时发生

完成式

Having doing
Having been done
动作发生在谓语动作
之前


现在分词

主动语态

被动语态

与谓语动词的关系

一般式

Doing
Being done
与谓语动作同时发生

完成式

Having done
Having been done
动作发生在谓语动作
之前


不定式(
to do


一、
不定式的作用

1
、作主语


不定式作主语时,谓语用单数。往往用
it
作形式主语,把不定式放在谓语后面。如:

It took us two hours to finish the job.
It is impossible for us to get there on time.
It is very kind of you to help us.
注意:

1
)其他系动词如
look, appear
等也可用于此句型。


2

It is+ adj. of / for sb. to do sth.
结构中,当不定式的逻辑主语和前面的形容词可以构
成系表结构时,用
of,
否则用

for.
2
、作宾语




1
)动词
+
不定式。如:

He managed to escape from the fire.
I find it hard to get along with him.

it
作形式宾语)

注:
下列动词通常用不定式作宾语:
want, try, hope, wish, need, forget, know, promise, refuse, help,
decide, begin, start, learn, agree, choose, get



2
)动词
+
疑问词
+to ,
“特殊疑问句
+
不定式”相当于名词,作宾语。如:

I don

t know what to do next/ how to do it next.
I can

t decide when to go there.

1


注意:不定式短语作宾语时,如果还带有宾语补足语, 往往把不定式短语放在宾语补足语之后,

it
作形式宾语。如:

I find it necessary to learn a foreign language.
3
、作宾语补足语

动词
+
宾语
+
不定式(
to do

。如:

He warned me to be careful.
I want you to speak to Tom.
What makes you think so?
(不带
to
的不定式)

注:可以用动词不定式做宾补的动词有:
ask, tell, order ,want ,get, would like, like, advise, invite,
allow, help, wish,warn, expect, prefer, encourage
We didn

t expect there to be so many people there.
我们没料到会有那么多人在那里。

注意:

1
)在动词
feel
(一感)

hear, listen to
(二听)

have, let, make
(三让)

notice, see, watch,
observe, look at
(五看)
(
即:吾看三室两厅一感觉)
等后面的补足语中,不定式不带
to
,但变为被
动语态后,必须带to
。如:

They saw the boy fall off the tree.





The boy was seen to fall off the tree.
(2)help
后面作宾语补足语 的不定式可以带
to,
也可以不带
to.


I often help him

to

clean the room.

I helped him (to) find his things.
4
、作定语

不定式作定语,
修饰名词或代词,
不定式和它 所修饰的名词之间有逻辑上的主谓关系、
动状关系、
同位关系或动宾关系。不定式通常要放在这 些被修饰的词后。如:

I have a lot of work to do.
(动宾关系)

He is looking for a room to live in.
(动状关系)

He is the first person to think of the idea.
(主谓关系)

He has got a chance to go abroad.
(同位关系)

注意:
1.
不定式的逻辑主语是句子的主语时,不定式用主动形式表被动。如:

Do you have anything else to say?
2.
如果作定语的不定式是一个短语,则要保留不定时短语中的副词或介词。如:

I need a pen to write with .

(I will wirte with the pen ) (
我需要一直钢笔写字
)
I have a little baby to look after .(I must look after the little baby ) (
我有一个婴儿要照看
)
5
、作状语

不定式作状语,表示目的、结果、原因等,有时还有一些固定搭配的不定式短语,如
in order to ,
so as to, so

as to, such

as to,

.enough to, too

to
等。


1

做目的状语

to, only to

仅仅为了)
, in order to, so as to, so(such)

.as to

(如此·
·
·
以便·
·
·

如:

He ran so fast as to catch the first bus.
他飞快地跑以便赶上第一班车。

He came to the school to see his son.

2
)作结果状语
,表事先没有预料到的,要放在句子后面。如:

He hurried to the post office only to find it was closed.
He searched the room only to find nothing.

3
)做原因状语
。如:

We were very excited to hear the news.

2


I

m glad to see you.

4
)做条件状语
。如:

To turn to the left , you could find a post office.
6
、作表语

不定式可放在
be
动词后面,构成表语。如:

The question is how to put it into practice.
My question is when to leave.
His dream is to be a doctor.
Her work is to look after the babies.
注意:
1.
不定式在句中作表语时,对应的谓语动词用单数。







2.
当主语是不定式时,表语不能用
Ving
形式,可用不定式。








如:
To see is to believe.
(眼见为实)

7
、不定式的独立结构。如:

To tell you the truth, I don

t agree with you.
To make matters worse, it began to rain.
二、不定式的时态和语态

(一)不定式的时态


1)现在时:有时与谓语动词表示的动作同时发生,有时发生在谓语动词的动作之后。如:

He seems to know this.



I hope to see you again.




2
)完成时:表示的动作发生在谓语动词表示的动作之前。如:

I

m sorry to have given you so much trouble.
He seems to have caught a cold.

3
)进行时:表示动作正在进行,与谓语动词表示的动作同时发生。如:

He seems to be eating something.

4
)完成进行时:表示动作从过去某个时间开始,一直延续到现在,并有可能持续下去。如:

She is known to have been working on the problem for many years.
(二)不定式的语态

当不定式的逻辑主语是其动作的承受者时,就用被动式。如:

He was seen to enter the hall.





He asked to be sent to work in Tibet.
三、省
to
的动词不定式


1
)情态动词(除
ought
外,
ought to


Would rather, had better.

2
)感官动词

see, watch, look at, notice, observe, hear, listen to, smell, feel
等后作宾补,省略

to.
注意:在被动语态中

to
不能省略掉。如:

I saw him dance.




He was seen to dance.





The boss made them work the whole night.
They were made to work the whole night.

3
)由

and, or


than
连接的两个不定式,第二个

to
可以省去。如:

He wants to move to France and marry the girl.

4

Why

/Why not



5

But


except
前是动词

do
时,后面出现的动词用不带

to
的动词不定式。试比较:








He wants to do nothing but go out.


He wants to believe anything but to take the medicine.

3


动词不定式的否定式(
not to do



如:
Tell him not to shut the window.



She pretended not to see me when I passed by.






动名词(动名词具有动词和名词的特征,在句中作主语、表语、宾语和定语)

一、动名词的作用

1
、作主语


谓语用单数。
It
代替动名词作主语,常用于如下结构:

It

s no good/use doing
·
·
·如:

Seeing is believing.
Playing with fire is dangerous.
It

s no good waiting here.
2
、作宾语

I enjoy listening to music.
He often practices playing the piano in the evening.
He is fond of playing basketball.
He has given up smoking.
Would you mind turning down your radio a little, please?

1
)只能接动名词作宾语的动词:

admit

advise
建议,
risk

appreciate

envy
嫉妒,
avoid
避免,

consider
考虑 ,
delay
延迟,
deny
否认,
dislike
不喜欢 ,
enjoy

escape
逃避,
excuse
原谅、宽 恕,

finish
完成,
forgive
原谅,
unde rstand
理解,
give up
放弃,
imagine
想象,< br>keep
保持,
mind
介意、
在乎,
miss
未达 到,
practise
训练,
put off
推迟,
resist< br>抵抗,
suggest
建议、暗示
can

t help
禁不
住,
can

t
stand
无法忍受,
devote
to(to
为介词
)
致力于·
·
·

look
forward
to
期望、盼望,
stick
to
坚持,
be used to
习惯于,
object to
反对,
be busy
忙于·
·
·

fee like
想要·
·
·
be surprised at
对……
感到惊讶

be proud of
以……为骄傲

succeed in
在某方面成功

be afraid of
害怕


give up
放弃



2
)只能接不定式作宾语的动词:

happen
碰巧,
offer
主动提出,
promise
答应,
agree
同意,
refuse
拒绝,
decide
决定,

determine
决定、决心,
pretend
假装,
fail
未能够,
learn

wish
希望,
hope

expect

afford

担得起。






3
下列词接动名词和不定式均可,
但意义不同的动词:
forget
,< br>go on

mean

regret

remem ber

stop

try


Stop to do
停下来去做



















stop doing
停止做

Forget to do
忘记要做



















forget doing
忘记做过

Remember to do
记得要做















remember doing
记得做过

Regret to do
遗憾要做



















regret doing
后悔做过

Try to do
企图做,尽力做
















try doing
试着做

Go on to do
继续做(另一件事)









go on doing
继续做(同一件事)

Mean to do
打算做





















mean doing
意味做

In some parts of London, missing a bus means _______ for another hour.
A

waiting





B

to waiting




C

wait







D

to be waiting
答案:
___________

4

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