1) She isn't a student.
Is she a student?
2) They aren't friends.
Are they friends?
3) I haven't got a budget.
Have I got a budget?
4) He hasn't got a dog.
Has he got a dog?
5) They can't swim well.
Can they swim well?
6) There isn't a fridge in the kitchen.
Is there a fridge in the kitchen?
7) There aren't 200 animals in the zoo.
Are there 200 animals in the zoo?