Time-based prepositions

Prepositions used with time-based expresions are;

• a
• em
• de
• durante

Preposition - a

The a preposition is used for a few types of time-based expressions.

• à noite - in the night
• à tarde - in the afternoon

Preposition - de

• de manhã - in the morning

Preposition - em

• em todos os dias - everyday