When we use question words with prepositions in Portuguese they form a prepositional phrase that changes the “direction” of the question word. The placement of these prepositions is before the question word itself. Knowing these will add to your language tool kit and expand your range of sentences. Let’s look at the most frequent ones in this lesson and how they change the meaning.
What’s a preposition?
A preposition is a word or group of words that we use to show direction, time, place, location, spatial relationships, or to introduce an object. Some examples of prepositions are “in,” “at,” “for,” “of,” and “to.”
Preposition + Quem

para
por
de
de
com
Prepositions + Onde

para
de
*Donde is used in a colloquial way
por
a
até
Preposition + Que

para
por
em
a
Prepositions + Quando

para
até
desde
Related Posts for Further Reading
- Asking Questions in Portuguese
- Question Words in Portuguese
- Question Tags in Portuguese
- É Que after Questions Words
- Question Words with Prepositions in Portuguese (this lesson)
- Por and Para in Portuguese
- Demystifying the Portuguese Preposition De
- Mastering Em in Portuguese
- Definite Articles with Prepositions