文法(ぶんぽう):Grammer The quiz of “Keigo”!! ~”Sonkeigo” vs “Kenjougo”~ Do you understand the difference between "Sonkeigo" and "Kenjougo"? If not, let's try this quiz!! 2024.02.29 文法(ぶんぽう):Grammer日本人のコミュニケーション:Japanese communication日本語の特徴: The charactor of Japanese