Past Simple Basics

The verb “to be” changes to “was” or “were” in Past Simple.
NOT is added after was or were + (verb base form)

+ wasn't+ was not

+ weren't+ were not

Both Regular and Irregular Verbs follow the structure:
Subject + didn’t (did not) + verb base form

+ didn’t + (verb in base form)+ did not + (verb in base form)