sorrow at ,sorrow for和sorrow over 的区别 请举例

基本可以混用,如果要非常严格的话
sorrow做名词：
sorrow at/over sth.
　He expressed his sorrow at my father's death.
sorrow for sb.
　Claudia felt a deep pang of sorrow for the woman.
sorrow做动词只能用over
Her friend was sorrowing over the loss of a child