Ответ:
Используем There is с одним предметом и There are с несколькими предметами.
- Is there a carpet in the room?
- Is there a window in the room?
- Are there two tables in the room?
- Are there three armchairs in the room?
- Is there a sofa in the room?
- Is there a lamp in the room?
- Is there a bookcase in the room?
- Are there paintings in the room?
