Cómo?
How?
Cuándo?
When?
Dónde?
Where?
Adónde?
Where to?
De dónde?
Where from?
Cuánto/a?
How much?
Cuántos/as?
How many?
Por qué?
Why?
Porque
Because
Qué?
What?
Cuál?
Which (one) or what?
Cuáles?
Which (ones) or what?
Quién?
Who? (singular)
Quiénes?
Who? (plural)
A quién?
Who…for/to?
Con quién?
With whom?
De quién?
Whose?
Para quién?
Who…for?