are的單數形式是什麼,they
he/ she/ it is.
they are是第三人稱的複數形式,第三人稱包含he/ she/ it. 第三人稱單數的be動詞用is.
第三人稱單複數轉換例句如下:
They are very happy.(他們非常開心)
He is very happy.(他非常開心)
She is very happy.  (她非常開心)
It's very happy.(它非常開心。)
he/ she/ it is.
they are是第三人稱的複數形式,第三人稱包含he/ she/ it. 第三人稱單數的be動詞用is.
第三人稱單複數轉換例句如下:
They are very happy.(他們非常開心)
He is very happy.(他非常開心)
She is very happy.  (她非常開心)
It's very happy.(它非常開心。)