keep doing和keep on doing的区别

keep on doing和keep doing的区别：意思不同、用法不同、侧重点不同。keep on doing意思：继续做。keep doing意思：一直做。keep on doing侧重点：指开始做某事，在做的过程中停歇一段时间，然后再接着做。keep doing侧重点：指从开始做某事，中间不停一直做到最后。例句：She keep running她一直在跑。

keep on doing用法：接以形容词、副词、as短语、现在分词(短语)、过去分词(短语)等充当宾语补足语的复合宾语，但不可接含动词不定式的复合宾语。例句：Keep on doing what you are doing。继续做你正在做的事情。

keep doing用法：接介词from，再接名词或动名词，表示“使自己不做某事”,主要用于否定句或疑问句。例句：Tired as she was，she kept doing it。她虽然累了，仍继续做下去。

更多例句：He kept on ringing me up，but I don't want to keep in touch with him any more。他不断地给我打电话，可我不想和他保持联系了。The boy kept watching the passing traffic at the gate。这个男孩在门口不停地看着过往的车辆.。