英语六级非谓语动词语法

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.