nihongotojapan.com/en/grammar/grammar-speech-styles
Guide to Japanese speech styles and register-switching across formal honorific, neutral polite, casual plain, and written layers. Teaches learners to match language choices to social context and audience.
GrammarBusiness and keigoKeigo and politenessJLPT N3JLPTJLPT N2Sentence patternsCasual speechTutors and teachersConversation