All members of the staff leave office at 6 pm. In the past tense this will read:
Admin Staff asked 4 years ago
All members of the staff leave office at 6 pm. In the past tense this will read:
a) All members of staff left the office at 6 pm.
b) All members of the staff left office at 6 pm.
c) All the members of the staff left office at 6 pm.
d) All members of the staff were leaving office at 6 pm.