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

New to English Grammar?

Start with the basics and build your foundation step by step.

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A1 Pronouns Verified

English Subject Pronouns (I, you, he...)

Subject pronouns are the 'doers' of the action, making your English smooth and natural.

  • Subject pronouns replace nouns doing the action.
  • Formed by `I, you, he, she, it, we, they`.
12 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

Connecting Words: And, But, Or

Mastering these foundational connectors elevates your English from basic to genuinely sophisticated and expressive.

  • And, but, or connect ideas for flow, contrast, and...
  • Join words, phrases, or independent clauses; use c...
12 examples 8 exercises 8 FAQ
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A0 Pronunciation

The English Alphabet & Basic Sounds

Mastering the basic letter sounds is your key to unlocking English comprehension and confident speaking.

  • English alphabet has 26 letters: vowels and conson...
  • Letters have names, but focus on their common soun...
10 examples 8 exercises 8 FAQ
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A2 Grammar

Auxiliary Verbs: Do, Be & Have in Questions and Negatives

Do, be, and have work as auxiliary (helping) verbs to form questions, negatives, and tenses. They carry tense while the main verb stays in base form.

  • do/does/did — forms questions and negatives in sim...
  • be (am/is/are/was/were) — forms continuous tenses...
5 examples 8 exercises 8 FAQ
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B2 Grammar

Adjective Order: Opinion, Size, Age, Shape, Colour, Origin, Material

When multiple adjectives precede a noun, they follow a fixed order: opinion → size → age → shape → colour → origin → material → noun. Breaking this order sounds unnatural.

  • Order: Opinion → Size → Age → Shape → Colour → Ori...
  • a lovely little old rectangular green French silve...
5 examples 8 exercises 8 FAQ
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A1 Verb Tenses

The Verb 'To Be' (am, is, are)

Master 'am,' 'is,' 'are' to confidently build foundational English sentences about everything!

  • The verb 'to be' describes identity, state, and lo...
  • It changes to 'am,' 'is,' 'are' based on the subje...
12 examples 8 exercises 8 FAQ
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B2 Prepositions

Adjectives + Prepositions (proud of, keen on)

Mastering adjective-preposition pairs makes your English sound natural and super precise.

  • Adjectives pair with specific prepositions to comp...
  • Pattern: Adjective + Preposition + Noun/Pronoun/Ge...
12 examples 8 exercises 9 FAQ
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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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A0 Expressions & Patterns

Hello & Goodbye — Essential Greetings

Mastering 'Hello' and 'Goodbye' opens your first English conversations confidently and politely.

  • "Hello" starts talks, "Goodbye" ends them.
  • No changes needed for person or time.
12 examples 8 exercises 8 FAQ
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B1 Confusable-words

Every-monday vs. Mondays: What's the Difference?

`Every Monday` stresses the consistent series; Mondays describes a general habit.

  • Use `every Monday` to emphasize each single event...
  • Use Mondays (plural) for general habits or what a...
12 examples 8 exercises 8 FAQ
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C1 Adjectives & Adverbs

Boosting Adjectives: Very, So, Really, Too

Mastering these intensifiers adds crucial nuance and emotion to your English descriptions.

  • Intensifiers boost adjectives and adverbs.
  • Place before the word you're modifying.
12 examples 8 exercises 8 FAQ
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A0 Numbers

Numbers 0-10: The Basics of Counting

Mastering 0-10 unlocks basic English communication for everyday counting and quantities.

  • Numbers 0-10 are basic vocabulary words for counti...
  • Each number has a unique word; no complex formatio...
12 examples 8 exercises 8 FAQ
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B1 Confusable-words

Everybody-do vs. Does: What's the Difference?

Though it feels plural, 'everybody' is grammatically singular, so it takes a singular verb.

  • Treat 'everybody', 'somebody', and 'nobody' as sin...
  • Use singular verbs ending in -s with these pronoun...
12 examples 8 exercises 8 FAQ
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B2 Grammar

Adjectives Used as Nouns: The Poor, The Elderly, The Unknown

In English, the + adjective can refer to a whole group of people or an abstract concept. These forms are always plural for people, and always use the.

  • the + adjective = a group of people: the poor, the...
  • Always treated as plural: The elderly are often is...
5 examples 8 exercises 8 FAQ
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A1 Questions & Negation Verified

Are you ready? English Questions with 'be'

Flip the be verb and the subject to ask 'yes/no' questions in English.

  • Form 'yes/no' questions by flipping be verb and su...
  • Pattern: `Am/Is/Are` + Subject + `rest of sentence...
12 examples 8 exercises 8 FAQ
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B2 Adjectives & Adverbs

Adjectives: -ed vs. -ing (Feeling vs. Cause)

Use -ed for your feelings, -ing for the cause – it's all about perspective!

  • -ed adjectives describe feelings of a person.
  • -ing adjectives describe what causes a feeling.
12 examples 8 exercises 8 FAQ
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A0 Nouns

Classroom & Survival Nouns: Your First Words

Your first nouns are essential labels for navigating the world in English. Learn them, use them!

  • Nouns name people, places, things, and ideas in En...
  • English basic nouns don't change form; learn each...
12 examples 8 exercises 8 FAQ
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B1 Confusable-words Verified

Everybody-is vs. Are: What's the Difference?

If it ends in '-body' or '-one', treat it as one person and use a singular verb.

  • Words like 'everybody', 'someone', and 'nobody' ar...
  • Always use a singular verb: 'Everybody is...', 'So...
12 examples 8 exercises 8 FAQ
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A2 Pronouns

Possessive Pronouns: mine, yours, theirs

Possessive pronouns (mine, yours) replace 'adjective + noun' to make sentences smoother and avoid repetition.

  • Replaces 'possessive adjective + noun' to show own...
  • Formed from possessive adjectives (e.g., my -> min...
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.