had been 的意思和用法?

had been 的意思和用法? have has had或 having +been 的区别和用法 请问HAS BEEN和 HAVE BEEN HAD BEEN的用法以及分别加DONE后的用法请问HAD BEEN 单复数用法有区别吗 been to的意思和用法是什么 have been in的用法和意思是什么 had been和had been to的区别 had/have/has gone/been 的区别如题了我问几个问题has gone 和have gone 的意思和用法都是一样的吗``还是其中一个不存在has been 和have been 也是一样同上问题还有had gone 和 have/has gone 有什么区别``要有 have been的意思及用法. 英语中had 和 had been 的用法?He told us about how, twenty years before, his dad had died. He told us how his Dad had been rippe apart by the Devil.这段话中的his Dad had died；和 his Dad had been rippe,为什么前面一句是had,后面 have been doing 和have done 还有had done三者的区别,用法举几个例子, has been和had been 有什么区别?能说详细一点吗,包括用法和典型一点的句子…… gone和been的区别和用法 had been done与had done是什么结构 他们的用法是什么 have been to和have gone to 的区别和用法!关于”语法”方面”意思”方面”用法”方面等 had been 和 has/have been的区别是什么? 初中英语语法has been和had been的区别 have been to和had been to的区别 had been doing 和 had done的区别