The father wants to know why his son is questioned by the

问题描述:

The father wants to know why his son is questioned by the
police last week
is questioned 为什么不是questioned 如果是 is questioned 那这个句子不就有两个谓语了吗?

is questioned 是被动
verb-to-be + p.p.
父亲想知道为什麼他的儿子上周被警方质盘问