Past simple

We have to distinguish regular verbs between irregular verbs.
The past simple of the regular verbs it's formed adding -ed to the infinitive
ex:
I played
You played
He/she/it played
We/you/they played

The negative and interrogative form its formed adding did.
ex:
I didn't play (didn't=did+not)
you didn't play
he/she/it didn't play
we/you/they didn't play

Did I play?
Did you play?
Did he/she/it play?
Did we/you/they play?

Use:
-We use the past simple to talk about past actions that occurred in a determinated moment.
ex:
We went to bed early last night.

-To narrate past facts
ex:
Yesterday I woke up at 7 o'clock, I had a shower, and quickly i went to school. I was later.

Past continuous:
The past continuous its formed with the past simple of the verb to be + the principal verb ending in -ing.
ex:
I was jumping
you were jumping
he/she/it was jumping
We/you/they were jumping

The negative:
I wasn't jumping (wasn't=was+not)
You weren't jumping (weren't=were+not)
he/she/it wasn't jumping
we/you/they weren't jumping

Interrogative:
Was I jumping?
Were you jumping?
Was he/she/it jumping?
Were we/you/they jumping?

Use:
We use the past continuous to:
-To describe an activity happened in a specific while of the past
ex:
This morning I was cooking for a special lunch.

-To describe an interrupted activity by a short action.
ex:
I was watching the tv when the phone rang

-To describe two simultaneous actions.
ex:

He was having a shower while I was dressing up.