keep后加什么?to do 还是 do?

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keep后加什么?todo还是do?keep后加什么?todo还是do?keep后加什么?todo还是do?含keep的常用句型1.keepdoingsth.意为"继续干某事",表示不间断地持续干某事

keep后加什么?to do 还是 do?
keep后加什么?to do 还是 do?

keep后加什么?to do 还是 do?
含keep的常用句型
1.keep doing sth. 意为"继续干某事",表示不间断地持续干某事,keep后 不能 接不定式或表示静止状态的v-ing形式,而必须接延续性的动词.如:
He kept working all day, because he wanted to finish the work on time.他整天都在不停地工作,因为他想准时完成工作.
Keep passing the ball to each other, and you'll be OK.坚持互相传球,你们就行.
2.keep on doing sth. 意为"持续做某事".如:
The pupil kept on asking me the same question.这个学生不断地问我同一个问题.
I kept on thinking about the match in the afternoon.我总是想起下午的那场比赛.
3. keep...from doing sth.意为"阻止/防止……做某事".如:
The heavy snow kept us from going out.大雪使我们不能出去.

貌似没有to do!!!!!

keep doing 保持做某事的状态,是可以持续性动词

keep doing

keep doing继续做...以前的那件事

keep to do