Formal:
* You are: This is the most common translation when "stai" is used with the formal "Lei/Voi" (you).
* You stand: This translation is used when "stai" is used with the imperative, meaning "stand!" or "stay!"
Informal:
* You are: This is the most common translation when "stai" is used with the informal "tu" (you).
* You stand: Similar to the formal usage, this translation is used with the informal imperative, meaning "stand!" or "stay!"
* You're (doing something): This is used when "stai" is used with the present continuous tense, e.g., "Stai mangiando?" (Are you eating?).
Example:
* "Stai bene?" (Formal) - "Are you well?"
* "Stai fermo!" (Formal) - "Stand still!"
* "Stai bene?" (Informal) - "Are you okay?"
* "Stai andando?" (Informal) - "Are you going?"
It's important to pay attention to the context and the pronouns used to determine the appropriate translation.