staff are
The staff was is correct
correct
is there othere staff
All staff are invited would be considered correct in English usage. American usage may be different.
No, the word 'staff' is plural, therefore the staff 'are' here.
The correct form is "two staff".
Depends on how you say it, Examples..... (The dining staff are all in the kitchen.) or... (The dining staff is going to do the honor.)
The correct form is "staff's" when indicating possession by a singular staff member. "Staffs'" is used when indicating possession by multiple staff members.
The noun 'staff' is singular. The correct verb is: The staff is...Examples:The entire staff is going to the picnic.The blank staff is used to write musical notes.The staff in front of the building is to fly the club's flag.
It depends on the usage. The staff provides excellent service. The staff will provide excellent service.
I think so, you can say ex-staff member or ex-employee.
The word staff is usually uncountable and has no plural.