后接不定式的动词
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2021年02月01日 00:10
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后接不定式的动词
下列动词或词组都可以用不定式:
afford aim agree arrange ask decide
bother care choose demand desire determine
elect endeavor hope fail help learn
long
渴望
mean manage offer plan pretend
refuse tend undertake expect hate intend
例如:
The driver failed to see the other car in time.
司机没能及时看见另一辆车。
He offered to help me.
他表示愿意帮助我。
需要省略
to
的不定式的情况有:
1
)
情态动词
(
除
ought
外)
后。
2
)
使役动词
let, have, make
后,感官动词
see, watch, look at, notice , observe, hear, listen to, smell,
feel, find
等后。
注意:被动语态中不能省去
to
。例如:
I saw him dance.
我看见他跳舞。
=He was seen to dance.
The boss made them work the whole night.
老板让他们整夜干活。
=They were made to work the whole night.
3
)
would rather
,
had better
句型后
4
)
Why… / why no…
句型后
5
)
help
后可带
to
,也可不带
to, help sb
(
to
)
do sth
:
6
)
but
和
except
后。
but
前是实义动词
do
时,后面出现的不定式不带
to
。
比较:
He wants to do nothing but go out.
他只想出去玩。
He wants to believe anything but to take the medicine.
除了吃这药,他什么都信。
7
)
由
and, or
和
than
连接的两个不定式,第二个
to
可以省去:
8
)
通常在
discover, imagine, suppose, think
等词后作宾补时,可以省去
to be
。例如:
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He is supposed
(
to be
)
nice.
他应该是个好人。
一些重要的区分:
1) stop doing/to do
stop to do
停止,中断做某事后去做另一件事,
stop doing
停止做某事。例如:
They stop to smoke a cigarette.
他们停下来,抽了根烟。
I must stop smoking.
我必须戒烟了。
2)forget doing/to do
forget to do
忘记要去做某事,
forget doing
忘记做过某事。例如:
The light in the office is stil on. He forgot to turn it off.
办公室的灯还在亮着,他忘记关了。没有做关灯的
动作)
He forgot turning the light off.
他忘记他已经关了灯了。(已做过关灯的动作)
3)remember doing/to do
remember to do
记得去做某事,
remember doing
记得做过某事。例如:
Remember to go to the post office after school.
记着放学后去趟邮局。
Don't you remember seeing the man before?
你不记得以前见过那个人吗
?
4)regret doing/to do
regret to do
对将要做的事遗憾,
regret doing
对做过的事遗憾、后悔。例如:
I regret to have to do this, but I have no choice.
我很遗憾必须这样去做,我实在没有办法。
I don't regret telling her what I thought.
我不为告诉她我的想法而后悔。
5)cease doing/to do
cease to do
长时间,甚至永远停做某事,
cease doing
短时停止做某事,以后还会接着做。例如:
That department has ceased to exist forever.
那个系已不复存在。
The girls ceased chatting for a moment when their teacher passed by.
姑娘们在老师走过时,停了会聊
天
6)try doing/to do
try to do
努力,企图做某事,
try doing
试验,试着做某事。例如:
You must try to be more careful.
你可要多加小心。
I tried gardening but didn't succeed.
我试着种果木花卉,但未成功。
7)go on doing/to do
go on to do
做了一件事后,接着做另一件事,
go on doing
继续做原来做的事。例如:
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