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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Active filters: CEFR level: C1
C1 Grammar

Relative Clauses with Quantifiers: Most of Whom, All of Which

In formal English, quantifiers (most, all, some, none, many, several, both) combine with "of whom" (people) or "of which" (things) inside non-defining relative clauses to describe part of a group.

  • • Use quantifier + of whom for people: The engineers...
  • • Use quantifier + of which for things: The document...
5 examples 8 exercises 8 FAQ
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C1 Passive & Reported Speech

Reported Questions with Question Words (Who, What, Why)

Reported 'wh-' questions turn inquiries into statements, shifting word order and backshifting tenses.

  • • Transform direct 'wh-' questions into embedded sta...
  • • Use 'wh-' word as connector, then subject + verb (...
12 examples 8 exercises 8 FAQ
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C1 Passive & Reported Speech

Reported Yes/No Questions (If/Whether)

Master reported Yes/No questions to relay inquiries smoothly and professionally, elevating your C1 English conversations.

  • • Transform direct 'Yes/No' questions into statement...
  • • Use 'reporting verb + if/whether + subject + backs...
12 examples 8 exercises 8 FAQ
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C1 Passive & Reported Speech

Reported Commands and Requests: Telling others what to do

Master reported commands and requests to sound polite, professional, and clear when relaying instructions.

  • • Relay commands and requests indirectly, not direct...
  • • Formed with `Reporting Verb + Object + (not) to +...
12 examples 8 exercises 8 FAQ
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C1 Verb Moods

The Subjunctive: Imaginary Worlds (If I were...)

`If I were...` unlocks sophisticated hypothetical scenarios; were is key for unreal `to be` forms across all subjects.

  • • Imagine unreal present/future situations using `If...
  • • `If + simple past` (or were for `to be`), then `wo...
12 examples 8 exercises 8 FAQ
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C1 Verb Moods

The English Subjunctive: 'I wish I were...'

Use were (not was) for `I wish` statements about unreal present situations.

  • • Expresses desires for present situations contrary...
  • • Formation: Subject + wish + Subject + were + compl...
12 examples 8 exercises 8 FAQ
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C1 Grammar

Wish and If Only: Present, Past and Future Forms

Wish and if only express dissatisfaction with reality. The tense after wish shifts: past simple for present wishes, past perfect for past regrets, would for frustration with others or desire for change.

  • • Present wish: wish + past simple — I wish I knew t...
  • • Past regret: wish + past perfect — I wish I had ta...
5 examples 8 exercises 8 FAQ
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C1 Grammar

Would Rather and Would Sooner: Preferences About Unreal Situations

Would rather + past tense (different subject) expresses a preference about someone else's actions — the past tense signals unreality, not the past. At C1 level, this extends to past situations using would rather + past perfect.

  • • Same subject + base verb: I'd rather stay home. (s...
  • • Different subject + past tense: I'd rather you did...
5 examples 8 exercises 8 FAQ
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C1 Verb Moods

What If Scenarios: Using 'Supposing'

Elevate your conditionals: Supposing lets you seriously consider intriguing, often challenging, hypothetical situations.

  • • Introduces strong hypothetical "what if" scenarios...
  • • Formed with `Supposing + clause` (present, past si...
12 examples 8 exercises 8 FAQ
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C1 Adjectives & Adverbs

The more... the better (Double Comparatives)

Master 'the more... the more' to elegantly express cause-and-effect and proportional changes.

  • • Links two changing ideas: as one occurs, so does t...
  • • Structure: 'The + comparative phrase, the + compar...
12 examples 8 exercises 8 FAQ
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C1 Advanced Syntax

Polite Uncertainty: Hedging with Modal Verbs

Mastering modal verb hedging elevates your C1 communication with grace.

  • • Softens statements, shows respect, expresses uncer...
  • • Formation: Subject + Modal (may/might/could/should...
12 examples 8 exercises 8 FAQ
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C1 Sentence Structure

What you need is... (Wh-Clefts for Emphasis)

Use Wh-clefts to spotlight crucial information, adding clarity and impactful emphasis to your communication.

  • • Wh-clefts emphasize specific information in a sent...
  • • Formed with Wh-word + clause + is/was + emphasized...
11 examples 8 exercises 8 FAQ
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C1 Sentence Structure

Wh-Clefts: Adding Drama to Actions

Use Wh-clefts to put a powerful spotlight on specific actions or entire events.

  • • Wh-clefts highlight actions for drama or clarity.
  • • Form: What + subject + `do/did` + `is/was` + base...
12 examples 8 exercises 8 FAQ
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C1 Sentence Structure

The 'Only' Flip: Adding Drama to Time (Inversion)

Mastering 'Only' inversion dramatically enhances emphasis and formality in your English writing and speech.

  • • Adds dramatic emphasis with 'only' adverbials at s...
  • • Follows question-like word order: auxiliary + subj...
12 examples 8 exercises 8 FAQ
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C1 Advanced Syntax

Stop Repeating Yourself: Using Synonym Chains

Synonym chains elevate your English, making it dynamic and captivating, demonstrating C1 mastery.

  • • Vary vocabulary to make English dynamic and engagi...
  • • Formed by strategically choosing related words for...
10 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

Using 'On the Other Hand' for Contrast

Mastering 'on the other hand' unlocks sophisticated, balanced contrasting in C1 English.

  • • Connects contrasting ideas for balanced arguments.
  • • Starts sentence/clause, followed by a comma.
11 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

Sophisticated Contrast: Albeit & Notwithstanding

Mastering these two elevates your English from good to effortlessly sophisticated.

  • • Albeit introduces a concession, usually adjective...
  • • Notwithstanding means 'despite' (preposition) or '...
12 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

Summing Up: In Sum & To Recapitulate

Use 'in sum' or 'to recapitulate' for sharp, formal summaries in advanced communication.

  • • Formal phrases introduce concise summaries.
  • • Begin sentence with phrase, then comma, then summa...
12 examples 8 exercises 8 FAQ
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C1 Advanced Syntax

Playing it Safe vs. Risking it All

Master the art of describing caution versus daring to express nuanced decision-making in any C1 English scenario.

  • • Express caution with idioms like `play it safe` or...
  • • Show daring with phrases such as `take a leap of f...
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

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.

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