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Japanese Grammar Hub

Japanese Grammar (Bunpou):
Complete Guide

Learn particle roles, verb forms, sentence patterns, and the JLPT path on one clear page. Use this hub to choose what to study next for your goals.

Open JLPT MapView ParticlesVisit Bunpou.Jepang.org
6 Core Particles
5 JLPT Levels
30-45 Minutes per Session

Study Focus

  • Master the core particles: は, が, を, に, で, へ.
  • Practice verb conjugation with short examples.
  • Build simple sentences before adding complexity.
  • Use the JLPT path for clear study targets.

Foundation

Why Grammar Matters

Japanese grammar—bunpou—is the frame that turns vocabulary into meaningful sentences. With a solid base, you can express ideas clearly, pick the right politeness level, and read examples with more confidence.

This page covers the early map: particles, conjugation, sentence patterns, beginner mistakes, practice strategy, and the JLPT route. Each section points to material you can use right away for reading, writing, and speaking.

Particles

Core Particles You Need First

Particles mark each word’s role in a sentence. One wrong particle can shift focus or meaning.

Tap an example sentence to see its meaning.

ParticleCore RoleExample
は(wa)Sentence topic
が(ga)Subject or emphasis
を(o)Direct object
に(ni)Time, goal, existence
で(de)Place of action or means
へ(e)Direction
Learn these six particles before N4+ patterns. Stable particle skills make long sentences easier to unpack.

Verbs

Basic Verb Conjugation

Conjugation changes tense, politeness, negation, and how actions link in a sentence.

  1. 1

    Masu Form 〜ます

    Polite form for everyday conversation.

  2. 2

    Nai Form 〜ない

    Casual negative for “do not / will not.”

  3. 3

    Te Form 〜て

    Linking form for requests, sequences, and progressive actions.

  4. 4

    Ta Form 〜た

    Casual past for actions that already happened.

Open Conjugation Guide

Sentences

Basic Sentence Patterns

These frames help you build early sentences without guessing word order.

  • A は B です

    Identity or definition.

  • A は B が すきです

    Preferences and likes.

  • A は B を します

    Activities with a direct object.

  • A は B に いきます

    Destination and movement.

  • A は B で C を します

    Action at a specific place.

Open Sentence Pattern Guide

Guides

Grammar Guides on This Site

Three guides deepen this hub: sentence patterns, verb conjugation, and early mistakes to avoid.

Basic Sentence Patterns

Eight beginner SOV patterns: identity, preference, action, place, and direction.

Open Guide

Verb Conjugation Changes

Godan, Ichidan, and irregular groups plus masu, te, nai, and ta forms.

Open Guide

7 Common Beginner Mistakes

Avoid desu on verbs, mixed-up particles, and wrong predicate order.

Open Guide

Practice

Effective Study Strategy

Common Beginner Mistakes

  • Swapping は and が without checking sentence focus.
  • Using に and で at random for places.
  • Sticking です onto dictionary-form verbs.
  • Memorizing formulas without writing your own sentences.
  • Jumping to N3 or N2 before N5 and N4 are stable.
Read 7 Common Mistakes

Daily Practice Rhythm

  1. 1Pick one grammar pattern per study session.
  2. 2Read three to five example sentences out loud.
  3. 3Write five new sentences with vocabulary you already know.
  4. 4Mark the one mistake you make most often.
  5. 5Review the same pattern again a few days later.

Core Material

Related Starter Material

Sentence Structure and Particles

Build SOV foundations, は・が・を roles, and basic word order.

Open Material

Basic Verbs and Adjectives

Learn doushi, keiyoushi, polite forms, and early conjugation.

Open Material

Te-Form for Beginners

Practice て形 to chain actions and make requests.

Open Material

JLPT

JLPT Grammar Roadmap

Use N5 through N1 to separate basic patterns, intermediate patterns, and advanced formal expressions.

N5Foundation

Particles, copula, polite forms, and early sentence patterns.

N4Upper Basic

Verb forms, giving and receiving, guesses, and conditionals.

N3Intermediate

Nuance, cause and effect, opinions, comparisons, and clause linking.

N2Professional

Formal expressions for news, instructions, opinions, and work contexts.

N1Advanced

Academic structure, subtle emphasis, contrast, and abstract judgment.

Frequently Asked Questions

What is the safest order for learning Japanese grammar as a beginner?

Learn core particles, master verb conjugation, and practice simple sentence patterns daily. After N5 foundations are stable, move through N4, N3, N2, and N1 step by step.

How long should I study grammar each day?

Thirty to forty-five minutes a day is enough for one pattern. Use that time to read examples, write your own sentences, and review older mistakes.

Should I prioritize grammar or vocabulary first?

Both need to move together. Grammar supplies structure; vocabulary supplies meaning. Practice one pattern with five to ten new words in a session.

When should I start JLPT practice questions?

Start once core N5 patterns feel clear. Practice tests show which patterns are strong and which need another pass.

How can I reduce particle mistakes faster?

Build a short sentence bank for each particle. Read aloud, swap vocabulary, and repeat until the particle’s role feels natural.

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