Situation: Joan has said that he will be back for lunch. Ask him for confirmation.

Interpretation of the utterance: Confirmatory yes-no question

Informator: E. B.

Utterance: E ditz, mès, vendràs gostar, a miègjorn?

Translation: Tell me, you'll come for lunch, won't you?
[And say(imperative, 2nd sing.), but, come(future, 2nd plur.) have-lunch, at noon?]