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不定式完成式及完成進(jìn)行式的用法

一、不定式完成式的用法

不定式完成式主要表示發(fā)生在謂語(yǔ)動(dòng)作之前的動(dòng)作或表示在某個(gè)給定的時(shí)間之前已完成的動(dòng)作。如：

Sorry to have given you trouble. 對(duì)不起，打擾了。

I feel fortunate to have met them. 我覺(jué)得很幸運(yùn)能見(jiàn)到他們。

I hope to have finished the work by Friday. 我希望星期五以前完成這項(xiàng)工作。

注：表示過(guò)去未曾實(shí)現(xiàn)的想法和愿望。如：

I should like to have come earlier. 我本想早點(diǎn)來(lái)的。

I was to have told you about it but I didn't have time to come over. 我本來(lái)要告訴你的，但我沒(méi)有時(shí)間過(guò)來(lái)。

二、不定式完成進(jìn)行式的用法

不定式完成進(jìn)行式主要表示在謂語(yǔ)動(dòng)作之前一直在進(jìn)行的動(dòng)作。如：

You seem to have been writing very long. 你好像已經(jīng)寫了很久了。

The battle was said to have been going on for two days. 據(jù)說(shuō)戰(zhàn)斗已經(jīng)進(jìn)行兩天了。