220 条件完成时
A 这种时态由 would／should + 完成式构成：
| 肯定式： |
I would／should have worked |
| |
you would have worked等 |
| 否定式： |
I would not／should not have worked等 |
| 疑问式： |
would／should I have worked？等 |
| 否定疑问式： |
should I not have／shouldn't I have worked？ |
| |
would you not have／wouldn't 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。）
（b）would 和 should 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。 |
