has been done 和has been 区别是什么

前者为被动，后者不是被动

Sb. has been (somewhere)某人已经去了某地
Sth. has been done 某事已经被做了

He has been Beijing for two years.
他已经去了北京两年了。
The subway has been constructed for two years.
这条地铁已经修了两年了。