La avenida vieja se ha transformado en un bulevar.The old avenue has transformed into a boulevard.Breakdown of La avenida vieja se ha transformado en un bulevar.viejoolduna, an, somela avenidathe avenuehaberto have (auxiliary)Elon.io is an online learning platformWe have an entire course teaching Spanish (Spain) grammar and vocabulary.Start learning Spanish (Spain) now