Note: This entire book was generated and edited entirely using Claude Opus 4.6, via Claude Code and the Anthropic web client. It is not human-written and may contain errors.
道 — michi
How to Use This Book
This book teaches Japanese for comprehension. You will never be asked to produce output — there are no writing exercises, no fill-in-the-blank drills, no speaking prompts, no "now conjugate this verb from memory." Every grammatical structure, every vocabulary item, and every explanation exists so that you can recognize, parse, and understand Japanese as it appears in real reading and listening. If that sounds like a limited goal, consider what it actually demands: to understand a Japanese sentence, you must be able to segment it into grammatical phrases, identify the function of each particle, determine the tense and mood of each verb, track what is being modified and by what, and recover the information that Japanese routinely leaves implicit. That is not a small task. This book takes it seriously.
Grammar is taught at full depth because comprehension requires it. When a Japanese speaker chooses the particle は over が, or uses the て-form rather than a coordinate clause, those choices carry meaning. A comprehension-oriented learner needs to understand why one form was selected over another, not merely memorize which form appears in a given drill sentence. This book explains the reasoning behind grammatical choices, not just their surface patterns.
This is a six-stage series covering JLPT levels N5 through N1. Each stage builds on the foundation laid by the previous one, with increasing depth and nuance. When the book simplifies a topic — and it will tell you when it does — the full treatment appears in a later stage. Trust the progression.
| Stage | JLPT Level | Focus |
|---|---|---|
| Stage 1 | N5 | Writing system, basic sentence structure, verb/adjective systems, essential particles |
| Stage 2 | N4 | Complete verb conjugation, complex sentences, conditionals, keigo introduction |
| Stage 3 | N3 | Intermediate grammar, nuanced particle usage, extended reading |
| Stage 4 | N2 | Advanced grammar, formal writing, literary styles |
| Stage 5 | N1 | Near-native comprehension, classical grammar, specialized vocabulary |
| Stage 6 | Beyond N1 | Academic and professional Japanese, dialect awareness |
Chapter Structure
Each chapter follows a consistent format:
- Core Explanation — The grammatical or structural concept is introduced and explained in full. Definitions are precise. Where a simplification is made for pedagogical reasons, the book tells you so explicitly and points you to where the full picture appears later.
- Examples — Annotated Japanese sentences demonstrating the target structure. Examples are broken down with structural glosses so you can see how each piece contributes to the whole.
- Recognition Notes — Practical guidance on identifying the structure in unfamiliar text. These notes address the patterns, ambiguities, and edge cases you will actually encounter.
- Reading Passage — A short text using the chapter's target structures alongside previously introduced material. These passages are written to be genuinely readable, not to serve as disguised grammar drills.
- Vocabulary List — All new words from the chapter, with pitch accent notation and verb class markers.
Example Format
Japanese examples in this book follow a consistent presentation. Each example gives:
- The Japanese sentence in kana and kanji (no romaji after the first two chapters of Stage 1).
- A structural gloss when introducing new grammar, showing particles and their grammatical functions.
- A natural English translation — not word-for-word, but how a fluent speaker would express the same idea in English.
For instance:
わたしは にほんりょうりが すきです。 I [topic] Japanese-food [subject] liked-is "I like Japanese food."
The structural gloss appears when a pattern is new. Once a structure has been established and practiced, the gloss is dropped and only the Japanese and English translation remain.
Romaji Policy
Stage 1, Chapters 1 and 2 use romaji (Roman-letter transcription) alongside Japanese script as a temporary bridge while you acquire hiragana and katakana. From Stage 1, Chapter 3 onward — and throughout all subsequent stages — all Japanese text appears in Japanese script only. This is non-negotiable. Romaji is a crutch that, if relied on past the first few days of study, actively interferes with reading ability. The sooner your eyes learn to process kana directly, the sooner you begin reading rather than decoding.
Pitch Accent Notation
Japanese is a pitch-accent language, and this book marks the pitch accent of every vocabulary item using a numeric notation system. The number indicates the accent nucleus — the mora after which pitch drops:
| Notation | Name | Pattern (4-mora word) | Description |
|---|---|---|---|
| ⓪ | 平板 (heiban) | LHHH(H) | Flat — pitch rises after mora 1 and stays high, including into following particles |
| ① | 頭高 (atamadaka) | HLLL(L) | Drop after mora 1 |
| ② | 中高 (nakadaka) | LHLL(L) | Drop after mora 2 |
| ③ | 中高 (nakadaka) | LHHL(L) | Drop after mora 3 |
| ④ | 尾高 (odaka) | LHHH(L) | Drop after final mora — identical to heiban in isolation, but pitch drops on following particles |
The number in a circle tells you where the drop occurs. ⓪ means there is no drop (heiban). You do not need to memorize this table — the pattern will become intuitive as you encounter hundreds of vocabulary items with their accents marked. Stage 1, Chapter 1 covers pitch accent in detail; this notation simply ensures you have the information available for every word you learn.
Verb Class Markers
Japanese verbs fall into classes that determine how they conjugate. Every verb in this book's vocabulary lists is marked with its class:
- 五段 (godan) — the consonant-stem class, sometimes called "Group I" or "u-verbs" in other textbooks
- 一段 (ichidan) — the vowel-stem class, sometimes called "Group II" or "ru-verbs"
- する — the する-compound irregular verb (べんきょうする, りょうりする, etc.)
- くる — the other irregular verb (くる and its compounds)
You will learn to identify verb class from dictionary form in Stage 1, Chapter 8. Until then, the markers in vocabulary lists tell you everything you need to know about how a verb behaves.
Spaces in Japanese Examples
Standard written Japanese does not use spaces between words. However, this book inserts half-width spaces between grammatical phrases in example sentences as a pedagogical aid. This segmentation helps you see the structure of a sentence while you are still developing the ability to parse continuous text. The reading passages at the end of each chapter reduce this spacing progressively, and by the later chapters of Stage 1, most passages appear without artificial spacing. This is a learning scaffold, not a representation of how Japanese is actually written.
Recognition vs. Production
A comprehension-first approach builds deep structural understanding. Each stage leaves you knowing how Japanese works at that level — not just what the right answer is on a test, but why it is the right answer.
How should you study? Read each chapter's explanation carefully. Work through the examples, making sure you can account for every particle, every verb ending, every piece of the sentence. When you encounter the reading passage, try to parse it on your own before checking any translation. If you get stuck, go back to the explanation — the passage uses only structures already covered in the chapter and preceding chapters.
Do not try to memorize conjugation tables by drilling yourself to produce forms from memory. Instead, when you see a verb form in context, practice identifying it: what is the dictionary form? What class is this verb? What conjugation has been applied, and what does it signal? This is recognition, and it is the skill this book trains.
Output skills — speaking and writing — can be layered on top of a solid comprehension foundation far more efficiently than the reverse. Many learners find that after building strong comprehension, production comes with surprisingly little additional effort. The structural knowledge transfers directly.
The Japanese Writing System at a Glance
Japanese uses three writing systems simultaneously, and a typical sentence will contain all three. This is less daunting than it sounds — each system has a distinct visual appearance and a clear functional role, so with minimal practice you can identify which system a character belongs to at a glance.
Hiragana (ひらがな)
Hiragana is a phonetic script of 46 base characters, each representing one mora (a unit of sound roughly equivalent to a syllable, though the distinction matters and is addressed in Stage 1, Chapter 1). Hiragana characters have a rounded, cursive appearance: あ, い, う, え, お. Through the addition of diacritical marks (゛ and ゜) and combination characters, the 46 base forms cover the full sound inventory of Japanese.
Hiragana serves as the default script for native Japanese words and for the grammatical architecture of the language. Verb endings, particles, auxiliary verbs, and conjunctions are written in hiragana. When a word could be written in kanji but the writer judges the kanji to be obscure or unnecessarily formal, hiragana is used instead. It is, in a sense, the connective tissue of written Japanese — present in every sentence, holding the structure together.
Katakana (カタカナ)
Katakana is a second phonetic script with the same 46 base characters, each corresponding to exactly one hiragana character and representing the same sound. Katakana characters are angular and sharp where hiragana is rounded: ア, イ, ウ, エ, オ. The two scripts are learned in parallel — once you know one, the other is a matter of memorizing a second set of shapes for the same sounds.
Katakana is used primarily for loanwords borrowed from other languages (コーヒー koohii, "coffee"; パソコン pasokon, "personal computer"), for emphasis in a role similar to italics in English, for onomatopoeia and mimetic words, and for the names of foreign people and places. It also appears in scientific terminology and occasionally in advertising for visual effect. You will encounter katakana less frequently than hiragana in most texts, but it is essential — loanwords are a large and growing part of the modern Japanese vocabulary.
Kanji (漢字)
Kanji are logographic characters borrowed from Chinese over the course of many centuries. Each character represents a meaning (and often more than one), and most characters have multiple readings. The 音読み (on'yomi, literally "sound reading") is a Japanese approximation of the original Chinese pronunciation, used most often in multi-kanji compound words. The 訓読み (kun'yomi, literally "meaning reading") is a native Japanese word that the character was assigned to represent, used most often when a kanji appears alone or with hiragana attached.
The Japanese government's 常用漢字 (jōyō kanji) list designates approximately 2,136 characters for use in newspapers, official documents, and general publishing. Educated adults know all of these and often several hundred more.
How They Work Together
A single Japanese sentence routinely mixes all three scripts. Consider:
トムさんは 日本語の 本を 読んでいます。 Tomu-san wa nihongo no hon o yonde imasu. "Tom is reading a Japanese-language book."
In this sentence, トム (Tom) is in katakana because it is a foreign name. さん, は, の, を, んで, います are in hiragana, providing the grammatical structure — the honorific, the particles, the verb conjugation. 日本語 (Japanese language), 本 (book), and 読 (read) are kanji, carrying the core lexical meaning. This division of labor is consistent and predictable: kanji for content words, hiragana for grammar, katakana for foreign terms. Once you internalize this pattern, you will find that the three scripts actually make Japanese easier to read, not harder — they provide visual cues about the structure of a sentence that a single script cannot.
What This Series Covers
Across six stages, you will progress from learning hiragana and katakana through to comprehending academic Japanese and literary texts. Each stage's introduction describes specifically what that stage covers and what prerequisites it assumes. The writing system is taught in Stage 1; from Stage 2 onward, all Japanese appears in Japanese script only.
Jumping In: Placement Guide for Experienced Learners
If you already have some Japanese knowledge, you do not need to start from Stage 1, Chapter 1. Use the guide below to find your entry point.
Stage–JLPT Mapping
| If you have passed… | You can safely skip… | Start from… |
|---|---|---|
| JLPT N5 | Stage 1 entirely | Stage 2, Chapter 1 |
| JLPT N4 | Stages 1–2 entirely | Stage 3, Chapter 1 |
| JLPT N3 | Stages 1–3 entirely | Stage 4, Chapter 1 |
| JLPT N2 | Stages 1–4 entirely | Stage 5, Chapter 1 |
| JLPT N1 | Stages 1–5 entirely | Stage 6, Chapter 1 |
These are conservative guidelines. If you passed N4 but feel shaky on conditionals or keigo, read the relevant Stage 2 chapters (Ch 10, Ch 16–18) before moving on.
Must-Read Chapters Regardless of Level
Some chapters contain analysis that is valuable even for advanced learners. Consider reading these no matter where you start:
- Stage 3, Chapters 1–3: は vs が Deep Dive — Most textbooks give a one-page summary. This textbook devotes three chapters to the topic because the は/が distinction is genuinely complex and affects comprehension at every level. Even N1 holders find new insights here.
- Stage 2, Chapter 10: Conditionals (と/ば/たら/なら) — The four-way conditional system is one of the most undertaught topics in Japanese instruction. This chapter's contrastive analysis and feature matrix are useful at any level.
- Stage 5, Chapter 10: Classical Japanese Overview — If you read any literature, historical texts, or even song lyrics, the classical verb system is essential background. This chapter gives you enough to parse classical forms when you encounter them.
- Stage 1, Chapter 8: Verb Classification — If you have never clearly understood the difference between 五段 and 一段 verbs and why it matters for conjugation, this chapter's decision tree will clarify it permanently.
Diagnostic Sentences
Not sure where you belong? Try parsing these sentences. If you can accurately explain every grammatical structure in a sentence, you are ready to skip that level.
Stage 1 (N5) — Can you parse this?
日曜日に ともだちと えきの ちかくの カフェで コーヒーを 飲みました。
If you can identify: the time marker (に), the companion particle (と), the nested の phrases, the location particle (で), the object particle (を), and the past tense verb (飲みました) — you are ready for Stage 2.
Stage 2 (N4) — Can you parse this?
雨が 降ったら、出かけないつもりですが、晴れれば 散歩しようと思っています。
If you can identify: the たら conditional, the ば conditional, ~つもり (intention), ~ようと思う (planning to), and the contrastive が — you are ready for Stage 3.
Stage 3 (N3) — Can you parse this?
あの映画は 見れば見るほど 新しい発見があると言われているが、実際に見てみないことには 何とも言えない。
If you can identify: ~ば~ほど (the more… the more), ~と言われている (it is said that), ~てみる (try doing), ~ないことには (unless), and 何とも言えない (can't say either way) — you are ready for Stage 4.
Stage 4 (N2) — Can you parse this?
新入社員ともあろうものが、敬語を使いこなせないようでは、取引先との信頼関係を築くどころではない。
If you can identify: ~ともあろう (someone of the stature of), ~ようでは (if it's the case that — with negative implication), ~どころではない (far from being able to), and the overall formal register — you are ready for Stage 5.