have/has been 这东西到底怎么用,

have/has been 这东西到底怎么用, Have/Has been done 与Have/Has done 到底有什么区别啊 Have/Has been done 与Have/Has done 到底有什么区别啊最好简单一点 那 Have/Has been doing have,has,have been,has been在什么情况下用啊? 英语中have been；has been是什么? has been doing have been done区别 have been 和 has been的区别 has been have been的区别 has been和have been区别 have been away 和 has/have left All____done now A.have B.has C.has been D.have been 这题应该选哪个?为什么? he has never been to Beijing,but he wishes to.he has never been to Beijing,but he wishes to have been.have been到底省不省略啊? have been / has been / had been 的区别 has been / have been /had been ………… 用have(has)been或have（has）gone填空 has been received 和has received 这两个句型到底有什么差别?比如说:i have received the MA degree,和 i have been received the MA degree到底区别在哪里?或者说其中一个句型是错误的.还有什么时候用这种句型? 英语翻译英语翻译,None of them have (has) cime back.这到底是have 还是has? the sick ( ) been cured and the lost ( )been foundA.HAS HAVE B.HAVE HAS C.HAVE HAVE .D.HAS HAS