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am的过去式和过去分词是什么

回答
瑞文问答

2021-08-18

am的过去式:was;
am的过去分词:been;
was
vt. 是;在(am、is 的过去式)。
been
v. 是,有(be的过去分词)。
n. (Been) (美)贝恩(人名)。

扩展资料

  例句:

  I was aware that she was trembling.

  我察觉到她在发抖。

  He was rowing for all he was worth.

  他在拼命地划船。

  It was a Monday, so she was at home.

  那是个星期一,所以她在家。

  What've you been up to?

  你一直在搞什么名堂?

  You've been very kind.

  你真是体贴入微。

  Progress has been particularly disappointing.

  进展一直格外令人失望。