一、whose
关系代词在从句中作定语表示所属关系，先行词是人，表示“先行词这个人的…”，用whose；先行词是事物，表示“先行词这个事物的…”，用whose…或the…of which或of which…都可以。如：
In 1980 he caught a serious illness from whose effects he still suffers. 1980年他患了到现在对他仍有影响的重病。
The treasure some of which has been recovered, has been sent to the British Museum. 这些宝藏已送往大英博物馆，其中有一些是失而复得的。
二、which
关系代词 which 用作定语时，含有类似 this 或 that 的含义。如：
She may be late, in which case we ought to wait for her. 她可能迟到，因此我们应该等她。
He lost his temper, at which point I decided to go home. 他发脾气了，这时我就决定回家了。
I may have to work late, in which case I'll telephone. 我可能得晚点下班，那样我会打电话的。
The speaker paused to examine his notes, at which point a loud crash was heard. 讲演者停下来查阅他的笔记，就在这时，听到了砰的一声巨响。
He was appointed Lord Chancellor, in which post he spent the rest of his life. 他被任命为大法官，在这个职位上度过了他的后半生。
My father may have to go into hospital, in which case won't be going on holiday. 我父亲可能需要住院，如果那样他就不去度假了。
Sometimes feta is very salty, in which case no salt needs to be added. 有时，羊奶干酪很咸。如果这样的话，就不必加盐了。
