Past simple
утвердительные:
Mary listened to music
They sleeped.
We had lunch.
отрицательные:
Mary didn't listen to music
They didn't sleep.
We didn't have lunch.
вопросительные:
Did Mary listen to music?
Did they sleep?
Did we have lunch?
Past Continuous
утвердительные:
Mary was listening to music
They were sleeping.
We were having lunch.
отрицательные:
Mary wasn't listening to music
They weren't sleeping.
We weren't having lunch.
вопросительные:
Was Mary listening to music?
Were they sleeping?
Were we having lunch?