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
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Understand English Grammar Faster

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Active filters: CEFR level: C1
C1 Verb Moods

Mixed Conditionals: Past Action, Present Result

Past choices ripple into present realities; mixed conditionals elegantly express these connections.

  • • Connects past hypothetical action to a present hyp...
  • • Formed with 'If + Past Perfect', then 'would/could...
11 examples 8 exercises 8 FAQ
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C1 Grammar

Modals for Probability: Must, Should, Might, May, Could, Can't

Modal verbs express different degrees of certainty about present and future situations. Must = logical conclusion; can't = logical impossibility; should/ought to = expectation; might/may/could = possibility.

  • • must be: near certain logical conclusion — There's...
  • • can't be: logical impossibility — She can't be ser...
5 examples 8 exercises 8 FAQ
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C1 Sentence Structure

Negative Inversion: The Movie Trailer Trick

Start with a negative, flip verb and subject for dramatic, formal English emphasis.

  • • Negative inversion emphasizes rarity or impactful...
  • • Structure: Negative adverbial + auxiliary + subjec...
12 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

Nevertheless: The Sophisticated U-Turn

Use 'nevertheless' for impactful, formal contrasts that overcome prior statements, adding sophistication.

  • • Signals strong contrast, meaning 'in spite of that...
  • • Usually starts a sentence or clause, followed by a...
12 examples 8 exercises 8 FAQ
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C1 Adjectives & Adverbs

No More... Than: Equality in Negation

`No more... than` expresses equal negation, often with a surprising or ironic twist.

  • • Expresses equal lack of a quality.
  • • Structure: 'no more + quality + than'.
12 examples 8 exercises 8 FAQ
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C1 Gerunds & Infinitives

Nominalization: Turning Adjectives into Nouns

Master nominalization to elevate your English writing with precision and gravitas.

  • • Turns adjectives into nouns for formality & abstra...
  • • Often uses suffixes like -ness, -ity, -ance, -ence...
12 examples 8 exercises 8 FAQ
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C1 Gerunds & Infinitives

Nominalization: Using 'The Fact That'

`The fact that` adds formal weight to clauses, perfect for academic and professional clarity.

  • • Formalizes a clause into a noun phrase.
  • • Uses `the fact that` + a complete clause.
12 examples 8 exercises 8 FAQ
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C1 Gerunds & Infinitives

Nominalization: Verb to Noun for Formality

Mastering verb nominalization elevates your English to C1 formal communication, adding precision and gravitas.

  • • Transform verbs into nouns for a formal, objective...
  • • Often uses suffixes like '-ion', '-ment', or irreg...
12 examples 8 exercises 8 FAQ
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C1 Grammar

Non-Defining Relative Clauses: Adding Information with Precision

Non-defining relative clauses (set off by commas) add extra information that does not identify the noun. At C1, they can refer to whole clauses, use quantifiers, and appear in formal writing with preposition + which.

  • • Always use commas (or dashes) around non-defining...
  • • Never use "that" in non-defining clauses — only wh...
5 examples 8 exercises 8 FAQ
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C1 Grammar

Noun Clauses: That-Clauses, Embedded Questions, and Wh-Clauses

Noun clauses function as nouns inside a sentence. They are introduced by that, wh-words, or whether/if and can act as subject, object, or complement. At C1, word order in embedded questions is declarative (subject before verb).

  • • That-clauses as objects: I believe that the projec...
  • • That-clauses as subjects: That she resigned surpri...
5 examples 1 exercises 1 FAQ
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C1 Sentence Structure

Parallel Structure in Lists (Matching Words)

Achieve clarity and impact by ensuring all list items share identical grammatical forms.

  • • Items in a list must share the same grammatical fo...
  • • Match nouns with nouns, verbs with verbs, adjectiv...
10 examples 8 exercises 8 FAQ
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C1 Gerunds & Infinitives

Participle Clauses: Matching Action to Subject

Always ensure your participle clause’s action is performed by the main sentence's subject. No dangling!

  • • Participle clause subject must match main clause.
  • • Formed with V-ing, V-ed, or Having V-ed.
12 examples 8 exercises 8 FAQ
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C1 Passive & Reported Speech

Passive Gerunds: Being (receiving the action)

Master `being + past participle` to precisely express actions you've received with natural fluency.

  • • Subject receives action, not performs it.
  • • Formed as being + `past participle`.
12 examples 8 exercises 8 FAQ
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C1 Grammar

Passive Modals of Obligation: Must, Should, Ought To Be Done

Passive modal constructions (must be done, should be submitted, ought to be reviewed) combine the impersonal focus of the passive with the force of obligation or recommendation. They are essential in formal instructions, policy, and academic writing.

  • • modal + be + past participle: All reports must be...
  • • Obligation: must be / has to be — Identification m...
5 examples 8 exercises 8 FAQ
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C1 Grammar

Passive Present Perfect: Has/Have Been Done

The passive present perfect (has/have been + past participle) describes a completed action that is still relevant now — without specifying who did it. It is essential in professional and academic writing to focus on results rather than agents.

  • • Form: has/have + been + past participle: The contr...
  • • Focus: what happened (the result), not who did it.
5 examples 8 exercises 8 FAQ
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C1 Passive & Reported Speech

Passive Reporting Structures (He is said to be...)

Mastering these structures makes your English sound authoritative and nuanced, like a true C1 speaker.

  • • Report information neutrally without specific sour...
  • • Formation: Subject + passive reporting verb + infi...
12 examples 8 exercises 8 FAQ
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C1 Passive & Reported Speech

Passive with Modals: Getting things done

Mastering passive with modals allows precise, formal, and polite communication, focusing on the action itself.

  • • Focuses action/object, doer unknown or unimportant...
  • • Form: Modal verb + 'be' + Past Participle (V3).
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

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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

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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.

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