keep work on 还是keep on working?Cutting down trees后面用do 还是doe

问题描述:

keep work on 还是keep on working?Cutting down trees后面用do 还是does?为什么
1个回答 分类:英语 2014-11-16

问题解答:

我来补答
keep on working 继续工作,固定搭配
cutting down trees是动名词短语作主语,谓语动词用单数does
再问: 能再说下用谓语动词用does和do的时候一些常见的主语情况吗?
再答: 主语是第一人称单数时,或者是主语是动名词短语、动词不定式短语从句作主语,都用单数does
 
 
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