Situation: At two o'clock in the morning, you are asleep in your bed, and you hear someone knocking at the door. Ask yourself who the hell it could be at that early hour.

Interpretation of the utterance: Dubitative Wh-question

Informator: E. B.

Utterance: E qui pòt èstre, an aquela ora?

Translation: Who can it be at this time?
[And who can(present, 3rd sing.) be, at this time?]