Japanese Grammar Hub

Understand Japanese Grammar Faster

Browse the grammar system by level and category, then open clear explanations with practical examples.

187 Total Rules
47 Chapters
6 CEFR level
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Understand Japanese Grammar Faster

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Active filters: CEFR level: B1
B1 Particles Verified

Even / If Only (さえ)

Use `さえ` to highlight extreme examples or set the one single condition needed for a result.

  • • Highlights an extreme or minimal example to mean '...
  • • Used with the 'ba' conditional to mean 'if only'.
10 examples 8 exercises 8 FAQ
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B1 Expressions & Patterns Verified

Logic & Expectations: ~Hazu (It should be...)

Use `~hazu` when you are 90% sure of a result because you have facts, logic, or a schedule to back it up.

  • • Means "should" or "is expected to" based on logic/...
  • • Connects nouns with `no` and na-adjectives with `n...
10 examples 8 exercises 8 FAQ
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B1 Expressions & Patterns Verified

"I just did it" (~ta bakari)

Use `~たばかり` to express that an action feels recently completed from your personal perspective.

  • • Verb ta-form + `ばかり` means "just finished doing...
  • • It is subjective, based on the speaker's personal...
12 examples 1 exercises 1 FAQ
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B1 Advanced Verbs Verified

Becoming able to do something (～ようになる)

Use `～ようになる` to describe reaching a new state of ability or starting a regular new habit.

  • • Expresses a gradual change in ability or habit ove...
  • • Combine potential verbs with ようになる to mean 'b...
10 examples 1 exercises 1 FAQ
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B1 Expressions & Patterns Verified

Deciding to do... (~koto ni suru)

Use ~ことにする when YOU are the one making the active choice or setting a personal rule.

  • • Means 'to decide to do' something
  • • Active choice, not passive outcome
10 examples 8 exercises 8 FAQ
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B1 Expressions & Patterns Verified

Japanese Hearsay & Typicalness (~rashii)

Use `~らしい` to report rumors or describe someone acting exactly as their role or personality suggests.

  • • Used for hearsay (I heard that...) or typical char...
  • • Attach directly to nouns and plain form verbs/adje...
10 examples 8 exercises 8 FAQ
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B1 Conditionals Verified

Expressing Regret: 'I wish I had...' (~ばよかった)

Use '~ばよかった' to express personal regret about past decisions by imagining a better alternative reality.

  • • Expresses regret about a past action that you did...
  • • Combines the conditional '~ば' form with 'よかった...
11 examples 1 exercises 1 FAQ
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B1 Sentence Structure Verified

Te-form Conjunctions: Connecting Clauses Sequentially

Connect sequential actions smoothly by using the te-form for all verbs except the final one.

  • • Use te-form to link multiple actions chronological...
  • • Only the final verb in the chain carries the tense...
8 examples 1 exercises 1 FAQ
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B1 Expressions & Patterns Verified

Expressing Hearsay with ~sou da (I heard that...)

Use plain form plus ~sou da to relay information from a source without taking personal responsibility for its truth.

  • • Used to report information heard from another sour...
  • • Attach directly to plain form verbs and i-adjectiv...
8 examples 1 exercises 1 FAQ
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Why Learn Japanese Grammar?

Grammar is the foundation of language fluency. Without understanding grammar patterns, you can memorize vocabulary but struggle to form correct sentences. Here's why structured grammar study matters:

Build Accurate Sentences

Move beyond memorized phrases. Understand the rules so you can create original, correct sentences in any situation.

Pass Language Exams

Grammar is tested in every major language exam — IELTS, DELE, DELF, JLPT, HSK, TOPIK, and more. Our CEFR-aligned curriculum maps directly to exam requirements.

Understand Native Speakers

Knowing grammar helps you parse complex sentences, understand nuance, and follow conversations even when speakers use advanced constructions.

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Students who study grammar systematically reach fluency faster than those who rely on immersion alone. Structure accelerates learning.

How Our Japanese Grammar Course Works

1

Choose Your Level

Start with your CEFR level — from A0 Zero Point to C2 Mastery. Not sure? Begin at A0 and progress at your own pace.

2

Study Structured Chapters

Each chapter covers a grammar topic with clear explanations, pattern tables, and real-world example sentences.

3

Practice with Exercises

Test your understanding with interactive exercises — fill-in-the-blank, multiple choice, sentence building, and translation practice.

4

Track & Progress

Your progress is saved automatically. Complete chapters, unlock new levels, and watch your grammar mastery grow.

Frequently Asked Questions About Japanese Grammar

SubLearn covers 187 Japanese grammar rules organized across 6 CEFR proficiency levels (from A1 to C2), spanning 47 structured chapters. Each rule includes clear explanations, real-world examples, and interactive practice exercises.

Our Japanese grammar curriculum covers CEFR levels from A1 to C2. Each level is designed to match your current proficiency — beginners start with basic sentence patterns at A1, while advanced learners tackle nuanced structures at C1-C2.

Yes! All Japanese grammar rules, explanations, and examples are completely free to access. You can browse the full curriculum, read detailed explanations, and practice with exercises at no cost.

Grammar is organized into 47 thematic chapters following the CEFR framework. Each chapter groups related rules together — for example, verb tenses, sentence structure, or particles — so you can learn related concepts in a logical sequence.

Yes! Create a free account to track which grammar rules you've studied, see your progress across all CEFR levels, and pick up exactly where you left off. Your learning progress syncs across devices.

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