he has hundreds of book,but none of which were read by him.其中谓语动词是were还是read?

问题描述:

he has hundreds of book,but none of which were read by him.其中谓语动词是were还是read?

谓语动词既不是vwere也不是read,而是were read ,这是一个整体,表示被动语态.