一日一句【70】动词不定式的完成式

动词不定式的完成式

示例：
Maria was sorry to have missed you for her wedding party.
你没有来参加玛丽亚的婚礼，她感到十分遗憾。

to have + 过去分词构成动词不定式的完成式，意思同完成时或过去时一样。

It is nice to have finished work.
(= It’s nice when you have finished work.
/ I’m pleased because I’ve finished work.)
做完了一天的工作，真高兴。

I am sorry not to have come on Thursday.
(= I am sorry that I didn’t come on Thursday.)
很抱歉，我星期四没有能来。

动词不定式的完成式经常用在seem, appear之后。

He seems to have missed the flight.
他大概误了班机。

to have been + -ing 可以构成不定式的完成进行式。

He seems to have been sitting there all day.
他似乎在那里坐了一整天。