Before

antes

(at an earlier time)

primeiro

(in advance)

antes de

(in advance of the time when)

antes que

(rather or sooner than)

ante

(in front of in space)

ante

(in the presence of)

antes de

(earlier than)

antes de

(in front of according to an ordering system)

diante de

(in front of in space)

em frente a

(in front of in space)

na frente de

(in front of in space)

perante

(in the presence of)