（１）The book is on the desk.

（２）There is a book on the desk.

（３）There are three apples in the bag.

（４）Is there a book on the desk?

（５）Are there any apples in the bag?

（６）There is a girl under the tree.

（７）There were four women in the room.

（８）Are there any CDs on that desk?  Yes, there are.

（９）Willa was in Osaka last Tuesday.

（10）There was a big tree around here.