Question

It doesn't matter what others think of you, what matters most is how you see 请问这句话的语法结构是

Answer 1

It是形式主语，真正的主语是：what
others
think
of
you.
matter:谓语动词--要紧、重要；
也就是说：别人怎么认为你并不要紧。
第二句中：what
matters
most(最重要的)是句子的主语，is
系动词作谓语，how
you
see...
表语；意思是：最重要的是你怎么看(自己)。

Answer 2

It形式主语
doesn't
matter谓语
what
others
think
of
you
主语从句
what
matters
most主语从句
is系动词
how
you
see表语从句
两句的matter都是动词“有关系，要紧”