a worm
There is a worm
a bed
No, there isn't.
two walls
There are two walls
a ruler
THERE'S a ruler.
chairs
No, there isn't.
a board
THERE'S a whiteboard.
cupboard
THERE'S a cupboard.
a goat
THERE'S a goat on the bed.
a bookcase
THERE ARE three bookcases.
a clock
There is a clock
a pencil
No, there aren't.
cats
There are three cats.
a rubber
Yes, there is.
an apple
There is an apple
monkeys
There are five monkeys.
a teacher
THERE IS a teacher in the classroom
dogs
There are three dogs.
some books
There are some books