none

1) Can be used with of; 2) The predicate verb should be singular or plural; 3) What person or thing specifically refers to; 4) Generally used to answer how many n, how

Much n and interrogative sentences containing any n. Please see:

1) None of us have/has seen him.

2)——How many students are there in the room?——None.

3)——Is there any water in the thermos? ——None.

4)——How much money do you have on you? ——None.

General Use together with of. Not an independent subject.