Сделать предложения отрицательными-there is a bookshelf at the window.2) there are two girls in the room.3)there is an armchair by the table.4)there are two beds is the bedroom.

•There isn't a bookself at the window
•There aren't two girls in the room
•There isn't an armchair by the table
•There aren't two beds is the bedroom

There isn't a bookshelf at the window
There aren't two girls in the room
There isn't an armchair by the table
There aren't two beds in the bedroom