1. Is there a pillar-box in the street?
2. Are there 29 days in February this year?
3. Are there flowers in the garden?
4. Is there a knife on the table?
5. Is there a policeman at the crossroads?
6. Is there an alarm clock in my bedroom?
7. Are there birds in the tree?
8. Are there clouds in the sky?
9. Is there a piano in the living-room?
10. Is there a dictionary on the desk?
:)