Permission vs Prohibition: -아/어도 되다 ('May I?') and -(으)면 안 되다 ('Must Not')
Master asking for permission and stating prohibitions in Korean using -아/어도 되다 and -(으)면 안 되다. Learn essential etiquette for cafes, restaurants, temples, and Korean homes, avoid the dreaded '돼요 vs 되요' spelling trap, and discover polite ways to decline requests without sounding blunt.