has been和have been区别

have been 和 has been的区别 has been和have been区别 had been 和 has/have been的区别是什么? 请问have been 和has been有什么区别 has been doing have been done区别 has been have been的区别 have been / has been / had been 的区别 have been to,has been to ,have been in ,与have gone to,has gone to 的区别和用法. have been 和have ever been区别! have has had或 having +been 的区别和用法 英语 have been in和has been to有什么区别? has been losing和has been lost的区别 has been to和has been in 的区别 has been done 和has been 区别是什么 has been worked和has been working的区别 has been waited 和has been waiting 有什么区别? has been in 和 has been to 的区别 have been away 和 has/have left