一)一般现在时 被动语态: 主语+be+动词过去分词+by(加宾格) eg:He waters the flowers every day. The flowers are watered by him every day. 二)一般过去时 被动语态:主语+was\were+动词过去分词 eg:He took care of his little brother yesterday. His little brother was taken care of by him yesterday 三)现在进行时 被动语态:主语加am\is\are加being加动词过去分词 例句:Helen is writing a letter. A letter is being written by helen. 四)过去进行时 被动语态:主语+was\were+being+动词过去分词 eg:He was making a model plane. A model plane was being made by him. 五)现在将来时 主语+be going to be+动词过去分词 eg:They will clean the windows tomorrow. The windows will be cleaned by them. 六)过去将来时 主语+was/were going to be +动词过去分词 eg:He said he would finish the project by the time we reached there. He said the project would be finished by the time we reached there. 七)现在完成时 主语+have/has + been+动词过去分词 eg:he has sung a nice song. A nice song has been sung by him. 八) 过去完成时 主语+had +been +动词过去分词 eg:He had posted the letter . The letter had been posted by him.