Was it playing basketball last week?
No, it was not.
Was he hungry last night?
Yes, he was.
Were they sleeping yesterday?
No, they were not.
Was she dancing last night?
Yes, she was.
Were they swimming last month?
No, they were not.
Were they jumping yesterday?
Yes, they were.
Were they at a party last week?
Yes, they were.
Was he listening to music last night?
No, he was not.
Was he at the beach yesterday?
Yes, he was.
Was he cooking yesterday?
Yes, he was.