2) 现在完成进行时 (have/has + been + 现在分词)
1) 一般现在时的被动语态 (am/is/are+ 过去分词) 如: The work is done during two days. 2) 一般过去时的被动语态 (was/were+ 过去分词)
2. 七种被动语态形式