There is a book on the desk. / There are manybooks on the shelf.
there isn’t a book on the desk. / There aren’t any books on the shelf.
Is there a book on the desk? / Are there any books on the shelf?
 There is a pencil.
There isn't a pencil.
There is a river in my town.    
There is a ghost in this room....               
There is ice on the lake.                         
There is oil on the pavement

There are four windows in my room 
There are two parks in my neighbourhood.
There are 600 students in this school.
There is some water in the bottle
There are some letters for you.
There are some cupboards under the sink
There is some milk in the jar