Learn Portuguese in a few hours: Questions and Question Words

como
how, what


que, o que
what


de que, em que, para que 
what about, what about, what for


por que
why


qual, quais
what/which


quem
who/whom


com quem, de quem, em quem, para quem
with whom. about whom, in whom, to whom


onde, de onde, para onde
where, from where, to where


quando
when


quanto(s), quanta(s)
how much, how many



Examples:


Como/Qual é seu nome?
What is your name?


De onde ele é?
Where is he from?



Remark:


Sometimes que and qual have the same meaning in English and are usually confused. Que is always followed by a noun while qual is not. Qual usually implies a choice.


Question words using que (o que, por que, etc.) have a circumflex accent if they stand alone at the end of a sentence. Example: Não sei. Por quê? (I don't know. Why?)