英语六级非谓语动词语法
英语六级非谓语动词语法精要
不定式 形式 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之前发生, 就要用不定式的完成式.
I am glad to have seen your mother .
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 havent quite recovered yet.
We didnt 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.
被动式: 当不定式的逻辑上的主语是不定式所表示的动作的承受者时, 不定式一般要用被动形式.
It is an honour for me to be asked to speak here.
She hated to be flattered.
He wanted the letter to be typed at once.
This is bound to be found out.