Are there clouds in the sky?
Yes, there are.
Is there a car in the garage?
Yes, there is.
Is there a ball in the yard?
Yes, there is.
Are there books on the shelf?
No, there aren't.
Is there a cat in the house?
Yes, there is.
Are there fish in the aquarium?
No, there aren't
Is there a dog in the park?
No, there isn't.
Is there a flower in the garden?
No, there isn't.
Are there apples on the tree?
Yes, there are.
Are there cookies on the plate?
No, there aren't.