220 条件完成时

 

A 这种时态由wouldshould+完成式构成:

肯定式:             I wouldshould have worked

                           you would have worked

否定式:             I would notshould not have worked

疑问式:             wouldshould I have worked?等

否定疑问式:      should I not haveshouldnt I have worked

                           would you not havewouldnt you have worked

等其他缩略形式参见第219节。

B 这种形式用于:

a)条件句中。(参见第221节至第229节。)

bwouldshould的特殊用法中。(参见第230节至第节。)

c)过去时中,相当于将来完成时:

I hope he will have finished before we get back

我希望在我们回来之前他已经做完。

I hoped he would have finished before we got back

我曾经希望在我们回来之前他已经做完。