do 分类:助动词/实义动词 定义 作为助动词用于构成疑问句、否定句和强调;作为实义动词表示’做’。 用法 构成疑问句 构成否定句 表示强调 代替前面提到的动词(避免重复) 例句 Do you like it? (疑问) I do not know. (否定) I do like it! (强调) He likes it more than I do. (代替like) 相关术语 does did 助动词