The weather is bad. The weather isn't bad, Is the weather bad?
They're from Paris. They aren't from Paris. Are they from Paris?
You're happy, You're not happy. Are you happy?
I'm hungry. I'm not hungry. Am I hungry?
He is hungry.He isn't hungry. Is he hungry?
I'm tired. I'm not tired. Am I tired?
It's interesting. It isn't interesting. Is it interesting?
Is's a dog. It isn't a dog. Is it a dog?