Columbia subject headings:
Spanish language--Adverbials.
Spanish language--Provincialisms--Mexico--Mexico City.
Spanish language--Subordinate constructions.
Harvard subject headings:
Spanish language--Adverbials.
Spanish language--Provincialisms--Mexico--Mexico City.
Spanish language--Subordinate constructions.
Princeton subject headings:
Spanish language--Mexico--Adverbials.
Spanish language--Mexico--Semantics.