keep doing 和keep to do的区别
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keep doing 和keep to do的区别
keep doing 和keep to do的区别
keep doing 和keep to do的区别
keep doing,keep on doing
keep doing表示不间断地做某事;keep on doing表示动作是时断时续的.
这两个词组均用来表示“不断做”的意思,但在涵义上有所不同.
1.keep doing和keep on
doing都可表示“不断(老是)做某事”的意思,强调动作连续不断,每隔一会儿发生,这时两者可以换用.不同的是keep doing中的doing是动名词,作宾语.例如:John always kept (on) asking questions.
约翰总是问个不停.
News of successes keeps (on) pouring in.
捷报频传.
2.keep doing还可表示连续不断的动作或持续的状态.keep on doing则没有这种用法.例如:
We kept working in the fields in spite of the rain.
尽管下雨,我们还是坚持在地里干活.
Why do the dogs keep barking?
这些狗为什么不停地叫?
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