have been 和 has been的区别

have been 和 has been的区别 has been和have been区别 have been away 和 has/have left had been 和 has/have been的区别是什么? 请问have been 和has been有什么区别 Though learning gymnastic has been more difficult 这里的has been 是什么用法不是只有 have been dong 和has been done吗?这里的has been 是什么? have been to,has been to ,have been in ,与have gone to,has gone to 的区别和用法. 英语中have been；has been是什么? has been doing have been done区别 has been have been的区别 have been 和has和has 在什么时候用呀 have been / has been / had been 的区别 has been / have been /had been ………… have,has,have been,has been在什么情况下用啊? there have aways been people 正确么?there have aways been people 和there has aways been people哪个正确? have since been 和 have been since have been 和have ever been区别! 英语,has been和 had been