Eating lots of fruit and vegetables is good for us

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/30 07:58:03

Eating lots of fruit and vegetables is good for us
1、为什么要用eating?
2、fruit and vegetables为什么vegetables加了s,而fruit没有?
3、用了fruit and vegetables,be动词还用is么?

Eating lots of fruit and vegetables(动名词主语） is（系动词） good for us（形容词词组作表语）
1. Eating lots of fruit and vegetables 是动名词主语, eat 如不加ing 就不具备名词性质,不能做主语
3. fruit 是水果的总称, 没有复数. vegetables用复数指各种蔬菜
4. 主语不是fruit and vegetables. fruit and vegetables作Eating 的宾语, 和Eating 一起组成动名词短语,做主语.动名词做主语时谓语用单数

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再问：你刚刚说系动词，那就是主系表结构，怎么会有谓语和宾语，还有主语不是Eating lots of fruit and vegetables么？为什么fruit and vegetables作Eating 的宾语，主语中有宾语？另外，vegetable不是本来就可数么？并列的两个名词为什么一个用总称一个表种类？
再答： 1. 系表结构也是谓语的一种形式呀，不对？ 2. Eating lots of fruit and vegetables 是个动宾结构的动名词短语， eating 虽是非谓语动词，但仍然具有动词性质，可以有自己的宾语或者状语 3. vegetable 也可以用作不可数名词，但如果类指，强调各种各样的蔬菜，常用复数形式

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