it形式主语从句it作形式主语It makes me sick to think about the problem那是主句那是从句,真正的主语是什么?
问题描述：
it形式主语从句
it作形式主语
It makes me sick to think about the problem那是主句那是从句,真正的主语是什么?
答
动词不定式是主语，也就是to think about the problem
答
主语是to后面的think the problem
答
to think about 这个是主语.