There is an orange on the table. There are three oranges in the fridge.
CONTRACTIONS: There is / there's. You cannot contract there are.
NEGATIVE FORM: There is not a horse in the field. There isn't a horse in the field. there's not a horse in the field.
There are not ten girls in this classroom. There aren't ten girls in this classroom.
QUESTIONS: To forme a question we place is/are in front of there.
Is there a cat in the school? Are there any dogs is the park?
And now practise!