it is time for you to get cleaned 为什么要用被动语态?

供参考：完整句子应该为：it's time for you to get yourself clearned up。意思是：是时候把你自己弄干净了。而get。。done 是习惯用法意思为把什么什么东西做完。句子中用了get yourself 就要用被动句啊。像中文里用了被字了就是被动句啊。你喜欢用主动句的话,可以说it's time for you to clearn up yourself。