问题描述： 讲一下have been的用法,如题 1个回答 分类：英语 2014-10-07 问题解答： 我来补答 have完成时标志have been 是其中的一种用法可以理解为have been doing 完成进行时也可以理解为have been done 被动语态的完成时被动就用have been done比如I have been told the story of the old building进行时 I have been studying English for 13 years 展开全文阅读
