过去式:动词加ed
肯定句:主语+动词过去式 I worked there yesterday.
疑问句:did+主语+动词原形 Did you work there yesterday?
否定句:did+not+动词原形 I did not work there yesterday.
特殊疑问句:wh疑问词+did+主语+动词原形 What did you do yesterday?
过去式:动词加ed
肯定句:主语+动词过去式 I worked there yesterday.
疑问句:did+主语+动词原形 Did you work there yesterday?
否定句:did+not+动词原形 I did not work there yesterday.
特殊疑问句:wh疑问词+did+主语+动词原形 What did you do yesterday?
过去式:动词加ed
肯定句:主语+动词过去式
疑问句:did+主语+动词原形
否定句:did+not+动词原形
特殊疑问句:wh疑问词+did+主语+动词原形
楼下答的很好很到位啊