托福語法：條件完成時

摘要：
    這種時態(tài)由would/should+完成式構(gòu)成：
    這種時態(tài)由would/should+完成式構(gòu)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
    疑問式： would/should I have worked？等
    否定疑問式： should I not have/shouldn’t I have worked？
    would you not have/wouldn’t you have worked？
    這種形式用于：
    （a）條件句中。
    （b）would和should的特殊用法中。
    （c）過去時中，相當(dāng)于將來完成時：
    I hope he will have finished before we get back．
    我希望在我們回來之前他已經(jīng)做完。
    I hoped he would have finished before we got back．
    我曾經(jīng)希望在我們回來之前他已經(jīng)做完。