English Grammar Hub

Understand English Grammar Faster

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

780 Total Rules
126 Chapters
7 CEFR level
Understand English Grammar Faster

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Active filters: CEFR level: C2
C2 Nouns & Articles

The 'Friend of Mine' Rule (Double Genitive)

Master the double genitive to add precision and natural nuance, distinguishing one possessed item from many.

  • One item from a larger set, or emphasize selection...
  • Determiner + Noun + 'of' + Possessive Pronoun/Noun...
12 examples 8 exercises 8 FAQ
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C2 Adjectives & Adverbs

The 'Only' Problem: Adverb Scope and Placement

Only thrives on precise placement; position it carefully to explicitly limit or exclude.

  • Place only precisely before the word or phrase it...
  • Only placement controls exclusion or limitation wi...
12 examples 5 exercises 8 FAQ
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C2 Adjectives & Adverbs

Viewpoint & Stance Adverbs (Technically, Frankly)

Frame your sentences with viewpoint adverbs to master nuance and express your precise stance.

  • Adverbs that express your attitude or perspective.
  • Typically -ly adverbs, often with a comma at front...
12 examples 8 exercises 8 FAQ
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C2 Questions & Negation

Seeking Agreement: Isn't it...?

Master 'Isn't it...?' to subtly seek agreement and add rhetorical finesse to your English.

  • Used to seek agreement, express opinion, or for rh...
  • Formed with 'Isn't it' or 'It's [statement], isn't...
12 examples 8 exercises 8 FAQ
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C2 Verb Moods

Past Habits with 'Would' (Nostalgic Routine)

Master 'would' to paint vivid, recurring pictures of the past with a narrative flair.

  • Describes repeated past actions, often with nostal...
  • Formed as: Subject + 'would' + base form of verb.
12 examples 8 exercises 8 FAQ
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C2 Verb Moods

Formal Pivots: Be That As It May & Others

Mastering formal pivots elevates your communication with C2 precision and diplomatic grace.

  • Sophisticated phrases acknowledge and pivot elegan...
  • Fixed structures, often at sentence start, followe...
11 examples 8 exercises 8 FAQ
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C2 Gerunds & Infinitives

Splitting Infinitives (to boldly go)

Embrace split infinitives for clarity and impact; it's a mark of C2 mastery.

  • Placing an adverb between 'to' and the base verb.
  • 'to' + adverb + base verb (e.g., 'to boldly go').
12 examples 8 exercises 8 FAQ
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C2 Relative Clauses

Commenting on Whole Ideas with ', which'

Mastering ', which' for whole ideas elevates your English to a truly spontaneous and precise C2 level.

  • Comments on a whole idea, not just a noun, for add...
  • Formed by: Main clause, then comma, then 'which' +...
12 examples 8 exercises 8 FAQ
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C2 Passive & Reported Speech

Impersonal Passive: It is said that / He is said to

Master impersonal passive to sound objective and report general knowledge with C2-level sophistication.

  • Report general beliefs or facts impersonally.
  • Formed with 'It is said that...' or 'He is said to...
12 examples 8 exercises 8 FAQ
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C2 Advanced Syntax

Absolute Constructions (The weather being fine...)

Master absolute constructions for sophisticated, concise English, especially in formal settings.

  • Independent clause giving context to main sentence...
  • Formed by subject + participle/adjective/phrase.
12 examples 8 exercises 8 FAQ
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C2 Advanced Syntax

Verbless Clauses (If possible, Although tired)

Mastering verbless clauses elevates your English to a C2 level of concise, formal, and elegant expression.

  • Reduced clauses: condition, concession, time witho...
  • Formed by conjunction + adjective, adverb, partici...
12 examples 8 exercises 8 FAQ
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C2 Prepositions

Perfective Particles: Up & Out Nuances

Mastering up and out as perfective particles adds native-like precision and nuance to your English.

  • Particles up & out modify verbs for completion, in...
  • Form: `Verb + particle`; often separable with obje...
12 examples 8 exercises 8 FAQ
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Why Learn English 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.

Progress Faster

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

How Our English 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 English Grammar

SubLearn covers 780 English grammar rules organized across 7 CEFR proficiency levels (from A0 to C2), spanning 126 structured chapters. Each rule includes clear explanations, real-world examples, and interactive practice exercises.

Our English grammar curriculum covers CEFR levels from A0 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 English 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 126 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.