have been+v原,过分,ving等的情况和详解

问题描述:

have been+v原,过分,ving等的情况和详解

解析:一、have been+PPv过分,这是现在完成时的被动语态句子结构例如 1、 I have read 30 books so far.到目前为止,我已经读30本书.【主动】30 books have been read by me so far.【被动】2、 They have just cut d...