happen
过去式:happened
过去分词:happened
现在进行时:happening
词形变化:
动词过去式: happened | 动词过去分词: happened | 动词现在分词: happening | 动词第三人称单数: happens |
词义辨析:
同义:
vi.发生; 出现
vi.碰巧; 出现
同义参见: