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keep 与 keep on 的用法区别


两者均可后接动名词(不接不定式),区别如下: 1. 表示反复发生的动作(即动作之间略有间隔)时,两者可互换。如: They kept (on) talking about it. 他们一直在谈论此事。 My shoe laces keep (on) coming undone. 我的鞋带老是松开。

2. 表示持续的状态或连续不断的动作(动作之间没有间隔)时,

通常只用 keep doing sth。 如: He kept standing during the meeting. 开会时他一直站着。 We kept hoping that they would have a chance to come to China some day. 我们一直 希望他们什么时候有机会到中国来。

3. 表示将一直在做的事继续做下去,通常只用 keep on doing。如: He kept on working after dark. 天黑了他还继续干。 Don’t give up; keep on trying. 别灰心,继续努力。

注:这样的 keep on doing 可与 go on doing 换用。如: The boys kept [went] on doing their homework in spite of interruptions. 尽管有干 扰,孩子们仍继续做自己的作业。

4. 有时若意义明确,keep on 后的 doing sth 可省略,而 keep 后却不能省略 doing sth。 如: The rain kept on for several days. 雨一连下了好几天。


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