you are a good girl中间为什么用are 而不用is？

Question

如题所述

Answer 1

此处注意人称和be动词的搭配
I + am
you + are
he/she + is
例如：
I'm a good girl.
you are a good girl.
She is a good girl.

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Answer 2

is 用于第一人称单数，are用于第二人称单数。you是第二人称 单数，所以用are