there have been 和there has been
there be 和 there has/have been
There has been和 Therehave been
there have been 和there has been是怎么用的
用现在完成时,there have been 和 there has been造句,各造5个
there has/have been的用法
I have been there
have been there
have you been there?
have been there 中文
there has been...为什么要加been?
have been there 和 have lived there 有啥区别?
He has never been there. I have never been there,either(改为同义