(?) any chairs in the head teacher's office?
Are there any chairs in the head teacher's office?
(-) any desks in the corridor.
There aren't any desks in the corridor.
(-) a sandbox in the common room.
There isn't a sandbox in the common room.
(?) any desks in the library?
Are there any desks in the library?
(?) a bucket in the equipment room?
Is there a bucket in the equipment room?
(-) three nets in the football field.
There aren't three nets in the football field.
(+) a broom in the caretaker's room.
There is a broom in the caretaker's room.
(?) any balls in the gym?
Are there any balls in the gym?
(+) a whiteboard in the computer science room.
There is a whiteboard in the computer science room.
(?) a slide in the common room?
Is there a slide in the common room?
(?) a blackboard in the classroom?
Is there a blackboard in the classroom?
(+) toilets in the bathroom
There are toilets in the bathroom.
(+) a vacuum cleaner in the equipment room.
There is a vacuum cleaner in the equipment room.
(+) some desks in the clasroom.
There are some desks in the classroom.
(+) a green grass on the football field.
There is a green grass on the football field.
(-) a picture in the head teacher's office.
There isn't a picture in the head teacher's office.
(+) two balls in the gym.
There are two balls in the gym.
(-) a flower in the locker room.
There isn't a flower in the locker room.
(+) some lockers in the locker room.
There are some lockers in the locker room.
(+) a microscope in the lab.
There is a microscope in the lab.
(?) any shoes in the locker room?
Are there any shoes in the locker room?
(?) any computers in the computer science room?
Are there any computers in the computer science room?
(?) any children in the corridor?
Are there any children in the corridor?
(+) many books in the library.
There are many books in the library.