Надобно на писать 2 образца на 1) There is... There are...2)

There is a book on the table/
there are many trees in the street.
There isn't a computer on the table
There aren't people in the street.
Is there a cat in the room?
Are there dogs in the street?
Можно воткнуть любые др. существительные в ед либо мн. числе

1)There is a chair.
There are three chairs.
2)There isn't any lamp.
There aren't any lamps.
3)Is there a sofa?
Are there some sofas?