英语句法分析Gone were the restrictions that prevented blacks from

英语句法分析
Gone were the restrictions that prevented blacks from voting;
More serious was the question of how the president would present the announcement；
帮忙分析这两个句子的语法结构吧,其实两个句子是同类的,但是这是什么句型呢?
是的，是倒装中的谓语是be，表语提前。但是如果正常语序是the resriction were gone that prevented blacks from voting,that引导的部分做宾补