have been in/to have been have gone have gone to 的用法

have been to 是已经去过了的意思
比如：I've been to China 我去过中国了
have gone to 是已经去了,但是人还在那里没回来
Dad have gone to China on business 爸爸已经去中国出差了
have been in 是已经呆过一段时间 ,现在还在是一种持续的
I have been in shanghai for ten years since I was a little girl