We use the past simple to talk about complete actions in the past.
Structure:
We will use different forms of the verb depending on each case:
In affirmative, we need to use a verb in past. It can be regular (-ed) or irregular (see the lists below).
In negative, we use the auxiliary didn't , and the simple form of the verb.
In questions, we need to use the auxiliary "did", and a verb in simple form, too.
Many verbs in English are irregular. This means that we need to memorize their conjugation. Below you can check a complete list of irregular verbs in past and past participle.
Now, lets check all the details of this structure: