SIMPLE PAST TENSE

What did you do yestarday?

Regular Verbs

you have to add -ed to the base form of the verb.

E.g

Work ----> Worked

Watch ----> Watched

when the verb ends in -y you have to change the -y for -i and add -ed.

E.g

cry ----> cried

dirty ----> dirtied

When the verb ends in -e you only have to put -d

E.g

hope ----> hoped

Irregual Verbs

There's no an specific rule for irregular verbs you have to memorize them.

Simple past is used to describe an action that occured and was completed in the past.

Structure

Subject + Verb in past form + complement + specific time (yesterday, # days ago).

I played videogames yesterday.