Let's play a game.
Look at my bedroom for one minute.
Now close your eyes.
OK.
Is there a computer in my room?
Yes,there is on the desk.
Right.
Are there any balls?
Yes. They are under the desk.
Wrong.
Now open your eyes.
Oh, no!They are near the window.
a clock on the wall.
a rabbit in the box
some flowers on the window.
a car on the floor.
a car under the sofa.
two cars behind the door.