Free Japanese Grammar Guide

Japanese grammar, from JLPT N5 to N1

310 structured lessons covering particles, verb forms, conditionals, keigo, idioms, and everything in between. Each lesson explains the pattern, shows example sentences with furigana, and includes conjugation tables and usage notes. Read free, then practice interactively in the app.

JLPT N5 — Beginner

Basic particles, desu/masu, adjectives, and the foundations of daily Japanese.

See all N5 resources →

JLPT N4 — Pre-intermediate

Te-forms, casual speech, giving/receiving, and connecting ideas.

See all N4 resources →

Casual Speech

Casual Speech Lesson 1Master the basics of casual Japanese: replacing the polite 'desu' with 'da', using 'tte' for quoting, 'nda' for explanation, and 'yone' for seeking agreement.Casual Speech Lesson 2Master essential casual markers: だ, じゃん, って, んだ, and よね. Learn how to soften or emphasize your speech with friends.Casual Speech Lesson 3Master essential casual markers: だ, じゃん, って, んだ, and よね to sound more natural in everyday conversation.Casual Speech Lesson 4Master essential casual markers: だ, じゃん, って, んだ, and よね. These tools help you sound natural and conversational in informal settings.Casual Speech Lesson 5Mastering essential N4 casual grammar: だ, じゃん, って, んだ, and よね to sound more natural in everyday conversation.Casual Speech Lesson 6Master essential casual Japanese markers: だ, じゃん, って, んだ, and よね to sound more natural in conversation.Casual Speech Lesson 7Master essential casual markers: だ, じゃん, って, んだ, and よね to sound more natural in everyday Japanese conversation.Casual Speech Lesson 8Mastering the building blocks of casual Japanese: だ, じゃん, って, んだ, and よね.Casual Speech Lesson 9Mastering essential N4 casual markers: だ, じゃん, って, んだ, and よね to sound more natural in everyday conversation.Mini-Dialogue: Casual SpeechPractice N4 casual speech patterns including だ, じゃん, って, んだ, and よね in a natural conversation setting.

Te-Form & Connecting

JLPT N3 — Intermediate

Conditionals, passive/causative, relative clauses, and compound structures.

See all N3 resources →

Relative Clauses

JLPT N2 — Upper-intermediate

Nuance, formal keigo, emphasis, and time relationships.

See all N2 resources →

Formal Keigo

Formal Keigo Lesson 1An introduction to the fundamental structure of Japanese honorifics (Keigo), focusing on the distinction between Sonkeigo (respectful) and Kenjougo (humble) language.Formal Keigo Lesson 2Mastering the advanced usage of Kenjougo (humble language) and Sonkeigo (respectful language) for professional business interactions.Formal Keigo Lesson 3Mastering the advanced honorifics (Sonkeigo) and humble forms (Kenjougo) used in professional business settings.Formal Keigo Lesson 4Mastering the usage of Kenjougo (humble language) and Sonkeigo (respectful language) in complex business scenarios, focusing on the 'o-verb-ni-naru' and 'o-verb-suru' structures.Formal Keigo Lesson 5Mastering the advanced honorifics and humble expressions used in professional Japanese business settings.Formal Keigo Lesson 6This lesson covers the advanced usage of 謙譲語 (Kenjougo) specifically focusing on the humble verbs 'おる' and 'まいる' and their role in professional communication.Formal Keigo Lesson 7: The O- / Go- Prefix SystemMastering the use of honorific prefixes (o- and go-) to elevate nouns and verbs in formal business settings.Formal Keigo Lesson 8: Specialized Kenjougo (Humility)Mastering advanced humble language (Kenjougo) verbs that do not follow the standard o-verb-suru pattern.Formal Keigo Lesson 9Mastering the usage of 'o-me ni kakaru' and 'go-zonji desu' to navigate high-level business interactions.Mini-Dialogue: Formal KeigoA practical review of Sonkeigo (respectful), Kenjougo (humble), and Teineigo (polite) in a professional business setting.

JLPT N1 — Advanced

Classical holdovers, nuanced modality, advanced keigo, and idioms.

See all N1 resources →

Classical Holdovers

Classical Holdovers Lesson 1Master the usage of classical grammar remnants: 已然形 (izenkei), べからず (bekarazu), and まじき (majiki) as they appear in modern formal, legal, and literary Japanese.Classical Holdovers Lesson 2Mastering advanced classical grammar remnants: 已然形 (izenkei), べからず (bekarazu), and まじき (majiki) for formal and literary contexts.Classical Holdovers Lesson 3Mastering the archaic forms 已然形 (izenkei), べからず (bekarazu), and まじき (majiki) as they appear in modern N1-level formal and literary Japanese.Classical Holdovers Lesson 4Mastering the N1-level classical grammar structures: 已然形 (izenkei), べからず (bekarazu), and まじき (majiki).Classical Holdovers Lesson 5Mastering the archaic forms 已然形 (izenkei), べからず (bekarazu), and まじき (majiki) to understand formal, literary, and legalistic Japanese.Classical Holdovers Lesson 6Mastering the archaic grammar structures 已然形 (izenkei), べからず (bekarazu), and まじき (majiki) commonly found in formal, legal, or literary contexts.Classical Holdovers Lesson 7Mastering the N1-level classical grammar patterns: 已然形 (izenkei), べからず (bekarazu), and まじき (majiki).Classical Holdovers Lesson 8Mastering high-level classical grammar vestiges: 已然形 (izenkei) for causal/concessive clauses, べからず for prohibitions, and まじき for moral impropriety.Mini-Dialogue: Classical HoldoversMastering high-level classical grammar vestiges like 已然形, べからず, and まじき through a professional workplace dialogue.

Proverbs & Idioms

Proverbs & Idioms Lesson 1An introduction to high-level Japanese proverbs and idioms frequently encountered in business and literature, focusing on the expression '石の上にも三年'.Proverbs & Idioms Lesson 2Mastering advanced Japanese idioms and proverbs essential for N1 proficiency, focusing on context-dependent usage and cultural nuance.Proverbs & Idioms Lesson 3This lesson explores advanced N1-level idioms and proverbs, focusing on phrases used to describe human nature, social dynamics, and the unpredictability of life.Proverbs & Idioms Lesson 4Mastering advanced Japanese idioms involving human nature and social dynamics, specifically focusing on the nuance of 'the nail that sticks out gets hammered down' and related N1-level expressions.Proverbs & Idioms Lesson 5Mastering advanced Japanese idioms and proverbs involving the concepts of 'water' and 'time' to enhance N1-level expressive capability.Proverbs & Idioms Lesson 6Mastering advanced Japanese idioms and proverbs related to human nature and social interaction, specifically focusing on the expression '猫の額' (neko no hitai) and its usage in N1-level contexts.Proverbs & Idioms Lesson 7Mastering advanced Japanese idioms involving the concept of 'water' and 'flow' to describe human nature and inevitability.Proverbs & Idioms Lesson 8Mastering advanced Japanese idioms and proverbs involving the concept of 'patience' and 'persistence' (忍耐).Proverbs & Idioms Lesson 9This lesson explores the idiomatic expression '〜の至り' (no itari), used to express the extreme limit or peak of a state or emotion, common in formal N1-level discourse.Mini-Dialogue: Proverbs & IdiomsA listening-focused review of N1-level proverbs and idioms in a natural business context.