complete the sentences with:is there, are there, there is (n't), there are ( n't). answer the question.

....................a carpet in the room?
..................................................
.........................a window in the room?
.......................................................
..................................two tables in the room?
.........................................
...............................three armchairs in the room?
...............................................
........................a sofa in the room?
.....................................
..................... a lamp in the room?
...................................
......................... a bookcase in the room?
......................................
........................... paintings in the room?
..................................
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Is there  a carpet in the room?Yes, there is.Is there  a window in the room?Yes, there is.Are there two tables in the room?No, there aren't.Are there three armchairs in the room?Yes, there are.Is there a sofa in the room?No, there isn't.Is there a lamp in the room?Yes, there is.Is there a bookcase in the room?No, there isn't.Are there paintings in the room?No, there aren't.