Do you often clean your room?改被动 Is your room often cleaned by you 还是by yourself
问题描述：
Do you often clean your room?改被动 Is your room often cleaned by you 还是by yourself
答
Is your room often cleaned by you.
答
都可以。
有点小的差别。就是。by you 是侧重你打扫的，不是别人。
而by yourself 侧重是你自己打扫的，没人帮助。
答
Is your room often cleaned by you就可以了,因为原句中没有强调是自己一个人所以这里不需要用yourself