动词不定式的时态

 

不定式的一般时态

动词不定式一般式表示的动作与谓语动词的动作同时发生：

I saw him go out. 我看到他走出去。

I think him to be a doctor. 我认为他是医生。

动词不定式一般式表示的动作在谓语动词的动作之后：

I hope to see you again. 我希望再次见到你。

She promised to come to my birthday party. 她答应要来参加我的生日晚会。

不定式的进行时态

动词不定式进行式表示的动作与谓语动词的动作同时发生：

He was found to be sleeping in his room. 他被发现在房间里睡觉。

He pretended to be studying hard. 他假装正在用功学习。

I discovered him to be hiding in the closet. 我发现他躲在储藏室里。

不定式的完成时态

动词不定式完成式表示的动作在谓语动词的动作之前：

I'm sorry not to have come on Sunday. 我星期天没有来，真抱歉。

I'm sorry to have kept you waiting. 真对不起，让你等了。

He doesn't seem to have told a lie. 看起来他好像没说谎。

Robert is said to have studied abroad, but I don't know what country he studied in.据说罗伯特曾经在外国读书，但是我不知道他是在哪个国家读的。