have been / has been / had been 的区别

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 / 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? ____your mother____there?A.have;been B.have;been to C.has;been Dhas;been to have been away 和 has/have left where _ he he_to the library.A have been,went B have been ,have been C has been,went继续上面的“D has been,has been i has been doing 还是i have been doing had been 和 has/have been的区别是什么? have has been 是什么时态的havehas been to 请问have been 和has been有什么区别 people who是has been还是have been Heart has been broken,dreams have been awake Has been copy, have never been surpassed是什么意思