Question

be come 和 come form 有什么区别

Answer 1

be from籍贯,从…出生,生在(某处)：
Where are you from?
你是哪儿的人?
I'm from Beijing.
我是北京人.
come from
出生于；生长于,出身于；是…地方的人：
Where do you come from?
你来自什么地方?
Where do you come from?
你是什么地方的人?
He comes from a very poor family.
他出身于一个贫穷家庭.

Answer 2

好像没什么联系吧~

是不是要问 be from和come from?
意思是：来自----.

例句
He is from China.
He comes from China.
不能说He is come from China.