过去进行时的主动语态变被动语态怎么变 最好有例句

Question

如题所述

Answer 1

过去进行时的被动语态结构是 was /were being +及物动词的过去分词

方法还是主动语句中的宾语变被动语态的主语
动词由主动变被动
主动语态的主语变被动语态的by 短语

如

Jim was planting trees at this time yesterday.
被动语态是
Trees were being planted by Jim at this time yesterday.