求be的三单形式和过去式和过去分词？

Question

如题所述

Answer 1

be的三单形式是is。
过去式，第一第二人称和复数是were，第三人称单数是was。
过去分词是been。

Answer 2

be动词的三单形式是is, am和is的过去式 是was，are的过去式是were,be动词的过去分词是been.
例如，她是我姐姐。
She is my sister.
他/我是由他/我姨妈带大的。
He/I was brought up by his/my aunt.
他们是由他们姨妈带大的。
They were brought up by their aunt.
她近来一直烦躁不安。
She has been very edgy lately.本回答被网友采纳