Question

singular-plural form for 'staff' is________​

Answer 1

Answer:

Staff or staffs

However, you can use staffs as a third-person singular verb meaning to work or operate. Staff is a collective noun and should have a singular verb, i.e. staff is. This sounds odd because we are talking about more than one person, which is why many people use a plural verb, i.e. staff are.

Answer 2

Answer:

singular form you have given of staff the plural form is staffs