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aquellos que se clasifican como ‘adverbios de modo’ se forman muchas veces mediante la unión de un adjetivo con el sufijo ‘-mente’, una suma que produce siempre palabras esdrújulas o sobreesdrújulas.
those that are classified as “adverbs of mode” are often formed by fusing an adjective with the suffix “–mente”, a combination that always produces esdrújulas (words with the accent on the third to last syllable) or sobreesdrújulas (words with the accent on the fourth to last syllable).