Syntax:
S + [ was / were + -ing] + C- I was studying
- Carlos was playing video games at Henry's house.
- They were having breakfast
Negative
Just add "not" or contract it with the verb to be in the past : wasn't / weren't
- I wasn't watching the football game. I was doing my homework.
- My mother (she) wasn't cooking.
- My brothers (they) weren't dancing at the party.
Questions
QW +[ was / were + S + -ing] + C
- Where was John sleeping?
- What were you doing at 6:00pm?
- Who was Patty talking to?
USE: We use past continuous to describe actions that were in progress in the past.
{ estaban, estuve, estuvieron etc... - ando , - endo}