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 Advanced Syntax

Truth Idioms: Icebergs & Mirrors

Uncover deeper meanings and true natures with powerful 'iceberg' and 'mirror' idioms.

  • • Iceberg: tiny visible part of huge hidden truth.
  • • Mirror: actions and words reflect true nature.
10 examples 8 exercises 8 FAQ
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C1 Prepositions

Finally Finding Time (Get round to)

Master `get round to` for confidently discussing delayed actions you've finally tackled.

  • • Finally start a long-intended, delayed task.
  • • Form: `get round to` + verb-ing or noun.
11 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

For instance: Giving Advanced Examples

Elevate your explanations with `for instance` to add precision and sophistication to your examples.

  • • Introduces a specific example to support a broader...
  • • Place at start/middle/end of sentence, usually wit...
12 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

Formal Reasons: Owing to and In view of

Elevate your formal communication by using `owing to` for direct causes and `in view of` for considered reasons.

  • • Formal phrases for cause/reason: `owing to` (direc...
  • • Follow with noun, noun phrase, gerund, or pronoun;...
12 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

Formal Results: Hence, Thus, Accordingly

Master hence, thus, and accordingly to formally express logical consequences and appropriate actions with precision.

  • • Connects ideas to show formal logical consequences...
  • • Preceded by semicolon/full stop, followed by comma...
12 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

Formal Sequence: Subsequently & Thereafter

Master subsequently for consequences, thereafter for points in time to elevate formal English.

  • • Formal adverbs showing sequence: subsequently (con...
  • • Used at clause beginning (with comma) or within se...
12 examples 8 exercises 8 FAQ
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C1 Pronouns

Forward-Pointing Pronouns (Cataphora)

Master cataphora to create suspense and emphasize key information, elevating your C1 English flair.

  • • Cataphora: Pronoun points forward to its referent.
  • • Formed by pronoun, then verb/clause, then noun phr...
12 examples 8 exercises 8 FAQ
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C1 Sentence Structure

Fronting Adverbials: Drama at the Start

Master fronting adverbials to add dramatic impact and sophistication to your English sentences.

  • • Moves adverbials to sentence front for emphasis.
  • • Adverbial + comma + subject + verb is pattern.
10 examples 8 exercises 8 FAQ
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C1 Sentence Structure

Fronting: Adjective Phrases (Dramatic Emphasis)

Master adjective phrase fronting to add dramatic flair and sophisticated emphasis to your English expression.

  • • Fronting moves an adjective phrase to the sentence...
  • • Formation: Adjective Phrase + Linking Verb + Subje...
12 examples 8 exercises 8 FAQ
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C1 Sentence Structure

Fronting: Putting the Object First

Elevate your English by strategically placing objects upfront for impactful emphasis and stylistic flair.

  • • Object moved to sentence front for emphasis.
  • • Formation: Object + Subject + Verb structure.
12 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

Giving Examples: For Example, Like, Such As

Using precise example phrases elevates your English from good to truly sophisticated.

  • • Clarify general statements with precise, relevant...
  • • `For example` (commas), `such as` (lists), like (c...
12 examples 8 exercises 8 FAQ
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C1 Gerunds & Infinitives

Having Done This... (Perfect Participle Clauses)

Master 'Having + V3' to make your English more concise, elegant, and perfectly sequential.

  • • Shows one action finished completely before anothe...
  • • Formed with 'Having' plus the past participle (V3)...
12 examples 8 exercises 10 FAQ
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C1 Advanced Syntax

Hedging Verbs (Seem, Appear, Tend to)

Master hedging for C1 fluency, adding nuance and politeness to your English.

  • • Soften statements and show impressions or general...
  • • Use Subject + seem/appear + to-infinitive or tend...
12 examples 8 exercises 8 FAQ
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C1 Prepositions

How to use 'Look down on' (Despise/Superiority)

`Look down on` expresses disdain or superiority, a strong judgment of inferiority, not physical sight.

  • • Regard someone or something as inferior, despise.
  • • Formed by 'look' + 'down' + 'on'.
12 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

In addition: Adding ideas like a pro

"In addition" levels up your arguments, adding depth and professional polish.

  • • Adds related ideas, enhancing coherence.
  • • Often starts a sentence, followed by a comma.
12 examples 8 exercises 8 FAQ
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C1 Adjectives & Adverbs

Intensifying with 'All the More'

Elevate your English by emphasizing why something's *even more* significant.

  • • Emphasizes increased quality due to a cause.
  • • Structure: 'all the more' + adjective/adverb.
12 examples 8 exercises 8 FAQ
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C1 Sentence Structure

Inversion in Conditionals (Dropping 'If')

Mastering conditional inversion elevates your English to a refined, formal, and impactful level.

  • • Drop 'if' to invert auxiliary verb and subject in...
  • • Formation uses 'Were' + Subject, 'Had' + Subject +...
12 examples 8 exercises 8 FAQ
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C1 Sentence Structure

Inversion with 'Rarely' and 'Seldom'

Use inversion with 'rarely' and 'seldom' for dramatic emphasis of infrequency.

  • • Negative adverbs rarely and seldom trigger subject...
  • • Auxiliary, 'be', or 'do/does/did' verb moves befor...
12 examples 8 exercises 8 FAQ
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C1 Sentence Structure

Inversion with 'Under no circumstances'

Mastering this inversion adds a formal, powerful, and emphatic punch to your English prohibitions.

  • • Emphatic negative phrase demanding absolute prohib...
  • • Formed by: `Under no circumstances` + auxiliary +...
12 examples 8 exercises 8 FAQ
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C1 Verb Moods

It's Time We Went (Expressing Urgency)

Master "It's time we went" to sound natural, express urgency, and make sophisticated suggestions.

  • • Expresses urgency or suggestion for immediate acti...
  • • Formed by `It's time + subject + simple past`.
10 examples 8 exercises 8 FAQ
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C1 Sentence Structure

It-Clefts for Time and Place: 'It was then that...'

It-Clefts for time and place spotlight key details, adding emphasis and clarity to your communication.

  • • Highlights specific time or place information.
  • • Uses 'It was/is + time/place + that/when/where'.
12 examples 8 exercises 8 FAQ
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C1 Sentence Structure

It-Clefts: Adding Strong Emphasis

Master 'it'-clefts to add powerful, precise emphasis to any part of your English sentences.

  • • Highlights specific info with 'It is/was...'
  • • Formed by It + be + emphasized element + that/who.
12 examples 8 exercises 8 FAQ
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C1 Verb Moods

Mastering 'Unless': The Master of Exceptions

Unless simplifies expressing exceptions, making your C1 English sharp, confident, and naturally fluent.

  • • Unless means "if not" or "except if."
  • • Formed by `Main clause + unless + simple present`.
12 examples 8 exercises 8 FAQ
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C1 Conjunctions & Connectors

Mastering Contrast: Using 'However' Correctly

Master however for elegant, formal contrast, elevating your professional and academic communication.

  • • Connects two contrasting independent clauses or se...
  • • Use `; however,` or `. However,` for formal contra...
11 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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