可数名词用there aren't any~,不可数名词用there isn;t any~(前提是否定回答)是isn't不是isn;t

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可数名词用there aren't any~,不可数名词用there isn;t any~(前提是否定回答)是isn't不是isn;t

可数名词用there aren't any~,不可数名词用there isn;t any~(前提是否定回答)是isn't不是isn;t
可数名词用there aren't any~,不可数名词用there isn;t any~(前提是否定回答)
是isn't不是isn;t

可数名词用there aren't any~,不可数名词用there isn;t any~(前提是否定回答)是isn't不是isn;t
都用第三人称单数

不对阿。

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不管是作否定回答,还是作一个否定陈述句,都如下:
1. There aren't any + 复数可数名词,如:
There aren't any chairs in the classroom. (一般来说,教室会有不止一张椅子,因此用复数)
2. There isn't a +单数可数名词,如:
There isn't an apple in the bag. ...

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不管是作否定回答,还是作一个否定陈述句,都如下:
1. There aren't any + 复数可数名词,如:
There aren't any chairs in the classroom. (一般来说,教室会有不止一张椅子,因此用复数)
2. There isn't a +单数可数名词,如:
There isn't an apple in the bag. (这句话是就“书包里会否有一个苹果”进行说明,因此用单数)
其实生活当中,用以上哪一句都可以,随说话者意愿。
3. There isn't any +不可数名词(本身只有单数),如:
There isn't any water in the glass.

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