英语用法问题was were/ has been/ had been/ have been 有何不同?另外过去时和过去分

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：英语作业时间：2024/07/09 00:14:21

英语用法问题
was were/ has been/ had been/ have been 有何不同?另外过去时和过去分词分别在什么时候用二者有何区别?

was were是过去时,have been has been是现在完成时,是已经完成的,但与现在仍有联系的,had been是过去完成时,是与过去某一时间有联系的.
过去式就是过去做的,过去分词是过去某一时间正在做的

have been +过去分词,和had been+过去分词,有什么区别? 几个英语用法HAVE BEEN 和 HAS BEEN 有什么不同 WERE怎么用? 英语have been studying过去进行?用法? 过去现在时 have /has been doing和have/ has +过去分词的区别英语,has been和 had been have/has been+过去分词是什么时态? have been studying过去进行?用法? 过去式和过去分词有什么不一样如be的过去时were/was和过去分词been有什么不同处英语系动词的用法.英语中有 was .is,are,has been,have benn,will,would,were have has had或 having +been 的区别和用法 was changed和has changed ; have been和had been ； have done 和 h have been doing 和have+过去分词有什么不同?