She would have done this.她本来会这样做的(但是没有做)She never would have done this. 按照课本上下文的意思,她还是(没有做)请问正确的解释是什么?就是(没有做)的否定式还是(没有做)让我纠结了。。还有,She would have done this. 的一般否定式是在哪里加not?其意思又是如何?