托福语法学习：条件完成时

会计考友

这种时态由would/should+完成式构成：
* J3 i/ M$ A1 O: |　　肯定式： I would/should have worked
　　 you would have worked
　　否定式： I would not/should not have worked等
% A- y+ S" n. E# F1 ?　　疑问式： would/should I have worked？等
　　否定疑问式： should I not have/shouldn’t I have worked？
" R( w7 z& y& l# m* B7 J, q+ w　　would you not have/wouldn’t you have worked？
) ]' ]8 ]5 _. f　　这种形式用于：
) A/ D+ [3 m) c3 k! ^( m　　（a）条件句中。
5 i4 @* H( \9 D9 k  r. o3 Q　　（b）would和should的特殊用法中。
- B' H' a( Y- z* A8 d- [　　（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．
" `$ [8 x2 `& {; a　　我曾经希望在我们回来之前他已经做完。