这里为什么用过去完成时?has been an in valid?has been +过分和has+过分有什么区别?

这里为什么用过去完成时?has been an in valid?has been +过分和has+过分有什么区别? has been waited 和has been waiting 有什么区别? has been open和has been opening有什么区别 it has been used和it has been in use有什么区别吗 He has been to Beijing和He has been in Beijing有什么区别? has been in和has been at的区别 has been to和has been in 的区别 has been used和has used有什么区别, has risen 和 has been risen 有什么区别吗 has been 和 has gone 有什么区别么? HAS MENTIONED 和 HAS BEEN MENTIONED 有什么区别 has been 和has be有什么区别