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    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(kuò)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。