英语的陈述句怎么改为被动语态?例如 We often use a recorder in our English class.

问题描述:

英语的陈述句怎么改为被动语态?例如 We often use a recorder in our English class.
例如 We often use a recorder in our English class.这句话转化是A recorder is often used in our English class by us.
还有They will show a new film next week.这样的将来时怎么改成被动语态?

A new film will be shown by they next week那请问疑问句When did they build the hause?怎么改成被动语态呢?麻烦了o(>﹏