Пятнадцать предложений there is и there are

There is an apple on my table
There is a window in my room
there are computers in my flat
there are pencils in my school bag
there are mugs in the kitchen
there are books on my table
there is phone in my pocket
there are children in school
there is a brain in my head
there are people on the street There is a book on the table. There are some copybooks next to the book.
 There are a lot of pencils in the box.
 There is a computer on the computer table.
There is a sofa near the wall.
 There are some pictures on the walls.
There is a carpet on the floor.
 There is an armchair next to the coffee-table.
 There are a lot of textbooks in the bookcase.
 There are no people in the room.