am的过去式和过去分词是什么

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am的过去式和过去分词是什么

am的过去式:was am的过去分词:been was

vt. 是;在(amis 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。


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