上期我们研究了现在进行时的主动语态变为被动语态，本期我们研究过去进行时的主动语态变为被动语态。

所有进行时的构成为：

be 现在分词

过去进行时的构成为：

was/were 过去分词

所有被动语态的构成为：

be 过去分词

过去进行时的被动结构为：

was/were being 过去分词

例1、We were discussing the plan at

that time.

分析：主语：we;

谓语：were discussing

宾语：the plan

变为被动语态为：

→The plan was being discussed by us

at that time.

那时我们正在讨论这个计划。

2、I was doing my homewor at home

this time yesterday.

分析：主语：I

谓语：was doing

宾语：my homework

变为被动语态为：

→My homework was being done by

me at home this time yesterday.

昨天这个时间我正在家做作业。

3、We were playing basketball from

2:00 to 4:00yesterday afternoon.

分析：主语: we

谓语: were playing

宾语:basketball

变为被动语态为：

→Basketball was being played by us

from 2:00 to 4:00yesterday afternoon.

昨天下午二点到四点我们在打篮球。

本期我们主要研究了过去进行时的主动语态变为被动语态，进行时的被动语态容易出错，大家要理解掌握。欢迎大家点赞评论，关注互动交流。Thank you,Bye!See you next time!