Is there an apple in the desk?
Yes, there is
Is there a cupboard in the room?
Yes, there is
Are there ten tables in the room?
No, there aren't
Is there a rubber on the table?
Yes, there is
Are there three school bags under the table?
No, there aren't
Are there two computers on the table?
No, there aren't
Is there a book under the desk?
No, there isn't
Is there a pencil case under the table?
No, there isn't
Is there a whiteboard in the room?
No, there isn't
Is there a bag next to the chair?
Yes, there is
Is there a rubber on the lamp?
Yes, there is
Are there books on the bookcase?
Yes, there are