Сделать отрицательное предложение 1) 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 in the bedroom.

1) There isn't a bookshelf at the window.
2) There aren't two girls in the room.
3) There isn't an armchair by the table.
4) There aren't two beds in the bedroom.

1) There isn't a bookshelf at the window.
2) There aren't two girls in the room.
3) There isn't an armchair by the table.
4) There aren't two beds in the bedroom