动词不定式的时态

不定式的时态

  • 现在时:有时与谓语动词表示的动作同时发生,有时发生在谓语动词的动作之后。如:

He seems to know this.    I hope to see you again.

  • 完成时:表示的动作发生在谓语动词表示的动作之前。如:

I’m sorry to have given you so much trouble.

He seems to have caught a cold.

  • 进行时:表示动作正在进行,与谓语动词表示的动作同时发生。如:

He seems to be eating something.

  • 完成进行时:表示动作从过去某个时间开始,一直延续到现在,并有可能持续下去。如:

She is known to have been working on the problem for many years.

Leave a Reply

电子邮件地址不会被公开。 必填项已用*标注