Their personal life was often harassed 这句话有语法错误吗?

问题描述:

Their personal life was often harassed 这句话有语法错误吗?

你好!
我觉得既然是their 那么就应该使用复数形式.
即是Their personal lives were often harassed.
有不清楚可追问,
祝学习顺利!life要改成lives吗?是的。都要改成复数。