It is our duty to keep our classroom clean and tidy.这句话谁做主语谁

问题描述:

It is our duty to keep our classroom clean and tidy.这句话谁做主语谁做谓语
1个回答 分类:英语 2014-12-02

问题解答:

我来补答
it是形式主语,真正的主语是后面的不定式短语to keep our classroom clean and tidy
再问: 我问的是谁是主语谁是谓语
再答: 谓语是is,真正的主语是后面的不定式短语to keep our classroom clean and tidy
 
 
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