didn
v. A1 Beginner didn
v. the short way to write 'did not'. You use it to talk about things that did not happen in the past.
v. the contracted form of 'did not'. Used as an auxiliary to form negative statements in the past simple tense.
I didn't see you at the party last night.
She didn't finish the report on time because her computer crashed unexpectedly during the final edit.
While the researchers didn't find a direct correlation between the two variables, they noted several interesting outliers that warranted further investigation in future studies.
Usage
The auxiliary is followed by the base form of the main verb, not the past tense form.
Pitfall
I didn't wentI didn't goAfter 'didn't', the main verb must be in its base form, not the past tense.