had been和have been有什么区别?请举例

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had been和have been有什么区别?请举例
had been和have been有什么区别?请举例

had been和have been有什么区别?请举例
had been是过去完成时结构：had+动词过去分词：表示两个事件中一个发生在前,或者说是表示较早的过去.
After they had entered the house,they went into the dining room.
他们进到屋里后,走进了饭厅.
have been是现在完成时结构：have/has+动词过去分词：单数第三人称用has,其余用have.表示在过去不确定的时间里发生的并与现在有着某种联系的动作；或者表示开始于过去并持续到现在的动作.
I've just had a cup.我刚喝了一杯.此处had为动词have（喝）的过去分词

had been是用在过去完成时，是指过去的过去，I had been in USA for 3 years since you left.
have been是用在现在完成时，是指到现在为止，I have been in USA for 3 years .

更正：
had been是用在过去完成时，是指过去的过去，I had been in USA for 3 years since you left.
have been是用在现在完成时，是指到现在为止，I have been in USA for 3 years .

时态不一样

had been和have been有什么区别?请举例 have been +过去分词,和had been+过去分词,有什么区别? have been 和had been 有什么不同关于此类多弄点 had been 和 has/have been的区别是什么? have been to和had been to的区别 should have been有should had been吗请问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 had been doing 和had been done有什么差别 had been doing 和had been done有什么差别? 关于时态的问题have beenhave been 和have had been有什么区别?原句是这样的：I've heard has been good.有have也有has have been talking, had been told? 英语时态区分have done .have been doing.had done.had been doing.有什么区别. had been和havev been中为什么要加been?在现在完成时（have been）和过去完成时(had been)通常会有一个been出现,been是be 的过去分词,have和had是助动词,问：这里有助动词了为什么还要用been?这两种时态 have been / has been / had been 的区别 has been / have been /had been ………… 问had been to 和have been to区别He had been to GZHe have been to GZ都什么意思,2个有什么区别有没有人在GZ之意? 请问一下have been to和have been in和have been at有什么区别? have been to 和 have been in 和have been on有什么区别