keep doing和keep adj有区别吗EG:All the students should keep the room clean.我知道clean有形容词形式.那么怎么判断是clean还是cleaning呢?什么时候用形容词,什么时候用doing?

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keepdoing和keepadj有区别吗EG:Allthestudentsshouldkeeptheroomclean.我知道clean有形容词形式.那么怎么判断是clean还是cleaning呢?

keep doing和keep adj有区别吗EG:All the students should keep the room clean.我知道clean有形容词形式.那么怎么判断是clean还是cleaning呢?什么时候用形容词,什么时候用doing?
keep doing和keep adj有区别吗
EG:All the students should keep the room clean.
我知道clean有形容词形式.那么怎么判断是clean还是cleaning呢?什么时候用形容词,什么时候用doing?

keep doing和keep adj有区别吗EG:All the students should keep the room clean.我知道clean有形容词形式.那么怎么判断是clean还是cleaning呢?什么时候用形容词,什么时候用doing?
keep doing表示的保持一直做某事,持续做某事,强调动作的持续
keep sth.adj.表示的是保持某物adj,强调的是状态.
如果keep后面已经直接加名词了,那么就在后面加形容词,如keep the room clean,而不能用cleaning.
要是句子强调动作的持续,拿就用keep doing,如 keep running一直在跑