Past simple & Past continuous

When do we use the past simple..??

When you speak about past actions that took place in a certain moment.

On having narrated a sequence of past facts.

afir: when I was young i lived in barcelona.

neg: when I was young, i didn't live in barcelona.

interr: Did i live in barcelona when i was young?

When do we use the past continuous..??

To describe an activity that happened in a specific moment of the past.

To refer to a past action that was developing when it was interrupted by other one.

To refer to two actions that were developing in a simultaneous way in the past.

Past continius is formed with past simple of the verb to be + the verb principial ended in -ing.

afir: when the mother came home her husband was playing with the kids.

neg: when the mother came home her husband wasn't playing with the kids
interr: was her husband playing with the kids?

CREDITS:

Google and Google