previous; prior
Our products sell better this year because it is hotter than in previous years
You'd better apply to the previous owners
last; past
before; ahead
We must think ahead instead of waiting for him
before; in front of ...; in the face of ...
Equal before the law/in the eyes of the law
I don't know what to do in the face of such problems
front
The front row/cover/wheel
Front-seat/rear-seat occupants
pre-
The pre- 1945 period
former; ex-
Former husband; Ex-husband
Former wife; Ex-wife
The former is simple, the latter is complex
fore-
Foredeck
in advance
To buy a ticket two months in advance
They asked for 500 francs in advance
TIA is the acronym for Thanks In Advance
beforehand
If you're coming, let me know beforehand
first
To claim the right to speak first
Who fired first?; Who shot first?
To go on ahead so as to get there first
It was very considerate of you to phone first