did这个单词不存在缩写形式。

英语中的缩略形式主要是人称代词的主格形式(I / you / he / she / it / we / you / they)和疑问词(what / where/ who)与系动词(am/is/are)、助动词(has/had/will/would),系动词、助动词和情态动词与not等词缩略而成。

例如:I'm = I am我是,weren't = were not不是,she'll = she will她将要