hap 名词复数:haps 过去式:happed 过去分词:happed 现在进行时:happing 词形变化: 动词过去式: happed | 动词过去分词: happed | 动词现在分词: happing | 动词第三人称单数: haps | 词义辨析: 同义参见: thing be become