non

1. no, not, not at all
2. no (used to show disagreement or negation)
3. no (used to reinforce an affirmation as negation of the alternative - but it can be omitted without changing the meaning)
4. no (reinforces a mandate in interrogative sentences)

faga

1. inflection of facer:
2. inflection of facer:
3. inflection of fazer:
4. inflection of fazer:

preguntas

second-person singular present indicative of preguntar

tan

so, as (in comparisons)