have been open 与have been opened的区别

has been opened和has been open的区别. Have gone与Have been的区别 have been 与have do的区别 They have never been opened.为什么不可以是They never have been open have never been与never have been的区别 为什么open变为延续性动词时要变成have been open 而不变成have been opened? down 与have been down的区别 have gone to 与 have been to ,have gone ,have been的区别是什么 has been open 和has been opened区别? has been have been的区别 have been 和 has been的区别 have与have been有什么区别