Was she at the hospital?
No, she wasn't.
Was he at school?
Yes, he was.
Were they watching a movie?
Yes, they were.
Was he playing soccer?
No, he wasn't.
Were they at the zoo?
No, they weren't.
Were they dancing?
No, they weren't.
Were they at the supermarket?
Yes, they were.
Was she eating popcorns?
No, she wasn't.