2013年12月大学英语四级非谓语动词语法详解
2013-08-12 阅读 : 次
英语四级语法基础知识:
Ⅱ 非谓语动词
不定式
形式:主动形式、被动形式
一般式 to do to be done
完成式 to have done to have been done
进行式 to be doing
完成进行式 to have been doing
完成式:不定式的一般形式所表示的动作,通常与主要谓语表示的动作(状态)同时(或几乎同时)发生,或是在它之后发生。假如不定式所表示的动作,在谓语所表示的动作(状态)之前发生,就要用不定式的完成式。
I am glad to have seen your mother (= I am glad I have seen your mother)。
(比较: I am glad to see you。)
He is said to have written a new book about workers。
He pretended not to have seen me。
进行式:如果主要谓语表示的动作(状态)发生时,不定式表示的动作正在进行,这时要用不定式的进行式。
You are not supposed to be working. You haven't quite recovered yet。
We didn't expect you to be waiting for us here。
He pretended to be listening attentively。
完成进行式:在谓语所表示的时间之前一直进行的动作,就要用不定式的完成进行式。
The struggle was known to have been going for twenty years。
We are happy to have been working with you。
编辑:张心悦)
Ⅱ 非谓语动词
不定式
形式:主动形式、被动形式
一般式 to do to be done
完成式 to have done to have been done
进行式 to be doing
完成进行式 to have been doing
完成式:不定式的一般形式所表示的动作,通常与主要谓语表示的动作(状态)同时(或几乎同时)发生,或是在它之后发生。假如不定式所表示的动作,在谓语所表示的动作(状态)之前发生,就要用不定式的完成式。
I am glad to have seen your mother (= I am glad I have seen your mother)。
(比较: I am glad to see you。)
He is said to have written a new book about workers。
He pretended not to have seen me。
进行式:如果主要谓语表示的动作(状态)发生时,不定式表示的动作正在进行,这时要用不定式的进行式。
You are not supposed to be working. You haven't quite recovered yet。
We didn't expect you to be waiting for us here。
He pretended to be listening attentively。
完成进行式:在谓语所表示的时间之前一直进行的动作,就要用不定式的完成进行式。
The struggle was known to have been going for twenty years。
We are happy to have been working with you。
编辑:张心悦)
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