请问clean和cleaning的区别,重赏

问题描述:

请问clean和cleaning的区别,重赏
比如:You should keep classromm (clean or cleaning),

clean
区别就是keep+n.+adj.
保持某物体在什么状态用形容词
如果用cleaning就是
you should keep cleaning the classroom
就是keep doing
保持做什么事,这句话就是说要你保持一直打扫卫生的状态