there is an apple in the basket.
there isn't an apple in the basket.
is there an apple in the basket.
yes, there is /no, there isn't
there is some juice in the glass.
there isn't any juice in the glass.
is there any juice in the glass.
yes, there is /no, there isn't
there are some computers on the teachers'desks.
there aren't any computers on the teachers'desks.
Are there any computers on the teachers'desks.
yes, there are / no, there aren't
she has got some good friends.
she hasn't got some good friends.
has she got some good friends.
yes, she has /no, she hasn't
they have got a big school.
they haven't got a big school.
Have they got a big school.
yes, they have /no, they haven't