was和had been是什么关系 过去完成时吗?

was和had been是什么关系 过去完成时吗? it had been belonged to me since I was born.had been belonged是什么时态?belong不是系动词吧,那就不是过去完成咯 it had been a long time ,since sb was a girl.这个过去完成式,had been had been,has been,has,had 后面加过去分词都是怎么用的?【以及和was,is有什么区别?】 was doing、had been doing和had been done都有什么区别?was doing和had been doing不是都是指过去一段时间做的事情吗?他们俩有什么区别吗?had been doing 和 had been done 又有什么区别. 话说我在写英语句子时不 That was the first time (that) I had been in Rome.为什么用过去完成时?“第一次”和“到罗马”怎样体现出过去的过去? have been +过去分词,和had been+过去分词,有什么区别? was/were+been+动词的过去分词是什么时态 现在完成时和过去完成时的区别be+过去分词与was+过去分词的区别?意思一样吗?怎样区分?have been和had been又有什么区别?请说的详细点,不要抄的! She is still in hospital.she__sick since last Thursday.A.had been B.was C.has been D.have been为什么正确答案是C,不是说现在完成时不能和表示过去时间的状语(last Thursday)连用吗? had been doing是什么时态,从过去持续的现在?还是过去的过去?还是别的什么 had been 和 has/have been的区别是什么? It is said that no attention was paid to other possibilities at the meeting yesterday.为什么不用had been paid to 过去的过去不是用had吗? I happened to be caught in a shower.It __ just a couple of minutes before I__ wet through A.had been;had been B.was;was C.was;had been D.had been;was 为什么 后面要用过去是而不是过去完成完时 Because his experience in the naval medical corps had been rewrding,Bob applied to medical school after he was discharged from the navy.过去完成时不是过去的过去吗?为什么 was discharged 不改成 had been discharged? have+过去分词和have been+过去分词的区别请问 have been+过去分词是什么时态. done,been是什么,过去分词和过去式有什么区别 过去时和过去完成时问题Before he retired ,he was the head of the factory.与before he retired ,he had been the head of the factory.哪个正确?如都正确,有什么区别?