Questions & Answers about El personal llegó temprano.
In Spanish, personal can be:
In El personal llegó temprano, it is a noun, so it means the staff/personnel.
This is a common false-friend situation for English speakers: the Spanish noun personal does not usually mean a person or people in general.
Because personal here is a collective noun. It refers to a group of workers as one unit: the staff.
So in standard Spanish, it is usually treated as:
That is why you get:
not:
- los personales
- llegaron
Also, personales would normally be the plural of the adjective personal, not the noun meaning staff.