did是助动词,用于第一、第二人称单复数及第三人称复数,not是否定词。
它们组合在一起起否定作用,可以缩写为didn't.(第三人称单数用doesn't.)如:
I didn't do my homework yesterday.我昨天没有做作业。
They didn't go to the park yesterday.他们昨天没有去公园。
Did是动词或助动词,not是副词
did是助动词,用于第一、第二人称单复数及第三人称复数,not是否定词。
它们组合在一起起否定作用,可以缩写为didn't.(第三人称单数用doesn't.)如:
I didn't do my homework yesterday.我昨天没有做作业。
They didn't go to the park yesterday.他们昨天没有去公园。
Did是动词或助动词,not是副词