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浅谈不定式中动词的省略

2007-10-05 14:36阅读:
浅谈不定式中动词的省略
◆汤阴一中南校区 孙用梨
省略是我们高中英语课本中的一个语法项目,这里我们就谈一下有关动词不定式中动词的省略问题。在动词不定式中,动词的省略大致可以分为以下三种情形:
一、 保留不定式符号to
通常情况下,当从上下文中能够知道不定式短语的内容时,为了避免重复,可将不定式to后面的内容都省略去,只保留不定式符号to,即用to来代替整个不定式。如:
She went there because she wanted to.
---Have you bought a car?
---No, we can’t afford to.
The boy wanted to ride his bicycle in the street, but his mother told him not to. (NMET 95)
由以上例句我们可以看出,这种用法多见于不定式作宾语或宾语补足语的时候。与之相关的动词和结构有want, hope, hate, wish, refuse, prefer, try, like, love, intend, forget, expect, mean, be going to, have (got) to, ought to, used to, be able to, would like/love to等。如:
I asked him to see the film, but he didn’t want to.
Some people suggested that she reconsider the matter, but she refused to.
He doesn’t work here now, but he used to.
---Would you like to join us?
---I’d like to.
---Ought I to finish it today?
---Yes, you ought to.
二、 保留至be, have或have been
如果不定式to后的结构中含有be, have或have been
, 通常要保留be, have或have been. 但随后的成分仍可省略。如:
---Is your mother a teacher?
---No, but she used to be.
---He hasn’t finished yet.
---Well, he ought to have.
三、 不定式完全省略
① 在名词或形容词后面的动词不定式,往往可以把不定式符号to一起省略,如:
Tom didn’t tell the truth; he didn’t have the courage (to).
I will come as soon as I have got a chance (to).
They won’t encourage you to do it even if you have the time (to).
---Will you join me in a walk?
---I’ll be glad (to).
注:在be+ ready(happy, glad, pleased, afraid)等形容词后,to连同后面的成分都可省去。
② 在某些动词如ask和try之后,to往往也可以省去,如:
I don’t know if I can come, but I’ll try.
③ like, want或wish出现在as,if, what, when引导的从句中时,to也常常省去, 如:
Come when you want.
You may stay as long as you like.
We can go out if you like.
④ 在使役动词have, let, make后的不定式作宾语补足语时,为了避免重复,不定式可完全省去。如:
Mary wants to come but her mother won’t let her.
⑤ 在’d better, ’d rather结构后的不带to的不定式与前面的动词相同时,不定式也可完全省去(常用于否定形式)。如:
---Let’s take John’s car.
---No, we’d better not.
---Are you going to meet her at the airport tomorrow morning?
---I would rather not.

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