be from句型 要怎么理解
问题描述：
be from句型 要怎么理解
答
be from= come from 来自……
如 He is from China.
He comes from China .be from可以直接弄到句子里么还是分成 is fromare from 什么时候用 用的时候注意什么？根据主语呀
如
He is from China.
I am from China.
We are from China .