用一下介词in.on.under.beside.behind,between和there be句型描绘你的书房

I have a small study.There is a bookself in the right corner.There are lots of books and CDs on the shelf.There is a desk and a chair beside the bookshelf.Under the desk there is a football.There are some flowers between the desk and the bookshelf.There are two pictures on the wall.There is broom behind the door.I love my study very much.