There is a dog in the garden , is there a dog in the garden/ there isn’t a dog in the garden.
there are boys in the yard , is there a boy in the yard/ there isn’t a boy in the yard.
there are flowers on the table, are there flowers on the table/ there aren’t flowers on table .
there is a girl in classroom /is there a girl in the classroom/there isn’t a girl in the classroom.
there is a teacher near the table /is there a teacher near the table/there isn’t a teacher near the table