Situation: You would love for some friends of yours to come over for dinner. Though they have already told you that they can't come, pleadingly ask them why they are not coming.

Interpretacion de l’enonciat: Offering Wh-question

Informator: M. P. B.

Utterance: E perqué non vietz?

Translation: Why aren't you coming?
[And why not come(present, 2nd plur.)?]