It was this house where I was born.是主从还是定从?
it做形式主语不是代替主语从句的么
变成where i was born was this house
但是又感觉像是定语从句,先行词是 house,where在从句里地点状语,像个关系副词引导的定语从句,糊涂啊,
如果是定语从句，it 指代的主语是什么？