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Questions & Answers about Buenas tardes, señora García.
Why is it buenas and not buenos?
Why is buenas tardes plural? We just say 'good afternoon' in English.
In Spanish, the standard daytime greetings—buenos días, buenas tardes, and buenas noches—are traditionally plural. It is just a cultural set phrase, though you might occasionally hear people say buena tarde in some Latin American countries as a quick, casual greeting.
Since I am calling her señora García, should I use tú or usted if I keep talking to her?
Don't we normally need to put la before señora?