81国产精品久久久久久久久久,午夜一区二区三区视频,国产伦精品一区二区免费,一区二区三区网址,亚洲欧美日韩精品永久在线,中文字幕国产一区二区三区,精品国产高清一区二区三区

am的過(guò)去式和過(guò)去分詞是什么

回答
瑞文問(wèn)答

2024-10-26

am的過(guò)去式:was;
am的過(guò)去分詞:been;
was
vt. 是;在(am、is 的過(guò)去式)。
been
v. 是,有(be的過(guò)去分詞)。
n. (Been) (美)貝恩(人名)。

擴展資料

  例句:

  I was aware that she was trembling.

  我察覺(jué)到她在發(fā)抖。

  He was rowing for all he was worth.

  他在拼命地劃船。

  It was a Monday, so she was at home.

  那是個(gè)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.

  你真是體貼入微。

  Progress has been particularly disappointing.

  進(jìn)展一直格外令人失望。