请教几个情态动词

uniqueness

would,can, may都有“可能”的意思

我的问题是，这几个词在说一件事情可能发生的时候，肯定的程度哪个最大，哪个最小呢?谢谢！

问题起因

OG 171

In 1527 King Henry VIII sought to have his marriage to Queen Catherine annulled so as to marry Anne Boleyn. (A) so as to marry (B) and so could be married to (C) to be married to (D) so that he could marry (E) in order that he would marry

The explanation of OG about answer E is that the verb form would marry is unidiomatic and illogical ( might marry would be better ).

sammen

我好像没遇到过要比较可能性大小的题目啊。这个题目我不是这么解的。先看主动还是被动，主动，那么剩下A，D，E。so as to 的使用有2个条件主语一致而且是系表结构，所以A错。剩下E和D，in oder that 结构不如so that结构，所以D好。其次我觉得could的可能性比would大。