What is known to us all is that America is a developed country belonging to the First World.What is known to us all 是整个句子的主语的话, IS是谓语, 那么后面that Ameriaca is a developed country belonging to the First World 这一整句是表语吗? 是一个主语从句+一个表语从句?
问题描述：
What is known to us all is that America is a developed country belonging to the First World.
What is known to us all 是整个句子的主语的话, IS是谓语, 那么后面that Ameriaca is a developed country belonging to the First World 这一整句是表语吗?
是一个主语从句+一个表语从句?
答
是的，楼主正解
答
没错,你的分析完全正确.