There .... a new boy in the class.
is
There ..... any dogs in the picture.
aren't
There ..... some flowers in the garden.
are
There .... a fence.
is
There ..... some trees behind the house.
are
There .... a chimney on the roof.
isn't
There is ... old chair in the room.
an
There are .... windows.
some
There is .... swimming pool in front of the house.
a
There isn't ... gate in the fence.
a
There are .... blocks of flats.
some
There ...... some stairs in the house.
are
There is ..... orange flower.
an
There are ..... orange flowers.
some
There .... any trees.
aren't
There are .... big windows.
some
