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    1. am的過去式和過去分詞是什么

      回答
      瑞文問答

      2024-10-26

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

      擴(kuò)展資料

        例句:

        I was aware that she was trembling.

        我察覺到她在發(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。