Was Tom sick?
Yes, he was.
Was the cake delicious?
No, it wasn't.
Were the children at the library yesterday?
No, they weren't.
Was Kate at the hospital yesterday?
No, she wasn't.
Was the ice cream delicious?
Yes, it was.
Was Alex sad?
No, he wasn't.
Was Janet thirsty?
Yes, she was.
Were the children at home yesterday?
Yes, they were.