I regret having left the work unfinished; I should have planned everything ahead carefully.
我本来应该事先认真地把每件事情规划的很好,但实际上作者还是没有规划好,以至工作没有完成。
3) ought to have +过去分词,表示动作按理该发生了,但实际上未发生,译为该,与should 的完成式含义类似。如:
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke .
4) could have +过去分词,表示过去本来可以做但却未做,译为完全可以。这点与ought/should/ have +过去分词用法相似。如:
What you said is right, but you could have phrased it more tactfully.
5) may/ might have +过去分词,表示过去可以做但实际未做,译为(那样)也许会。如:
It might have been better to include more punchy statistics and photos of equipment in the introduction to further assist first-time office automation managers.
二.几个情态动词常考的句型:
1).may/might (just) as well 不妨,最好,与had better相近;
Since the flight was cancelled, you might as well go by train.
既然航班已经取消了,你不妨乘火车吧。相当于you had better go by train。
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