Since the above staff members' gate pass have already been expired, they can't enter the site unless they get a valid gate pass.
anonymous Since the above staff members' gate pass es have already been [omit 'been'] expired, they can't enter the site unless they get a valid gate pass. OK as shown. Also: Since the gate passes of the staff members listed above have already expired, they will not be able to enter the site until they get a new gate pass.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
anonymousSince the above staff members' gate passes have already
been[omit 'been'] expired, they can't enter the site unless they get a valid gate pass.
OK as