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: B1
B1 Passive & Reported Speech

Passive Voice: Giving Credit with "By"

Give credit or specify the doer in passive sentences with `by + agent` for clarity.

  • • Use `by + agent` to identify the action's performe...
  • • Formed by `be + V3 + by + agent` in any tense.
12 examples 8 exercises 8 FAQ
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B1 Passive & Reported Speech

Passive Voice: Present Perfect (Has been done)

Emphasize results with `has/have + been + V3` when the doer is unknown or less important.

  • • Focuses on completed actions with present relevanc...
  • • Formed with `has/have + been + Past Participle (V3...
12 examples 8 exercises 8 FAQ
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B1 Passive & Reported Speech

Passive Voice with Modal Verbs (can be done)

Master `modal + be + V3` to sound natural and flexible, expressing possibilities, duties, and advice.

  • • Combine modal verbs with passive voice for nuanced...
  • • Formation: `Modal + be + Past Participle (V3)`.
12 examples 8 exercises 8 FAQ
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B1 Passive & Reported Speech

Passive Voice with Modals: It Can Be Done

Discuss possibilities, necessities, and obligations effortlessly by combining modals with the passive voice.

  • • Modal verb + be + past participle for passive acti...
  • • Focuses on action/object, not who performs it.
12 examples 8 exercises 8 FAQ
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B1 Passive & Reported Speech

Passive Voice for Objectivity: 'It is said that...'

Master the passive for reporting to sound objective and polished, just like a news anchor!

  • • Reports general opinions or facts impersonally.
  • • Uses `It is said that...` or `Subject is said to b...
12 examples 8 exercises 8 FAQ
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B1 Passive & Reported Speech

Passive Voice: Reporting Verbs (It is said that...)

Mastering passive reporting verbs makes your English sound more formal, objective, and nuanced.

  • • Report facts and opinions formally without naming...
  • • Use `It is said that...` or `Subject is said to be...
12 examples 8 exercises 8 FAQ
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B1 Gerunds & Infinitives

Make vs Let: Forcing vs Allowing (Base Verb)

"Make" compels, "let" permits: always use the base verb form afterwards. Except passive "make"!

  • • Make forces action, let permits it.
  • • Structure: Make/let + object + base verb.
12 examples 8 exercises 8 FAQ
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B1 Prepositions

Meeting by Surprise (Run into)

Use `run into` for unplanned encounters with people or sudden problems – it's all about surprise!

  • • Unexpectedly meet people or encounter problems.
  • • Behaves like a regular verb: 'run' conjugates, 'in...
12 examples 8 exercises 8 FAQ
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B1 Sentence Structure

Moving Phrases to the Start: Time and Place

Front-loading time/place phrases makes English dynamic, emphasizing key details for better flow.

  • • Shift time/place phrases for emphasis.
  • • Adverbial phrase, then comma, then main clause.
12 examples 8 exercises 8 FAQ
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B1 Confusable-words

Login vs. Logon: What's the Difference?

`log in` is the action (verb); login is the thing (noun).

  • • `log in` (two words) is the action of entering a s...
  • • login (one word) is a noun or adjective for the pa...
12 examples 8 exercises 8 FAQ
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B1 Confusable-words

Made vs. Make: What's the Difference?

Make is for today and tomorrow; made is for everything that happened yesterday.

  • • Make is for the present and future; made is for th...
  • • Made is the irregular past tense and past particip...
12 examples 8 exercises 8 FAQ
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B1 Confusable-words

Nevertheless vs. However: What's the Difference?

However is for any contrast; nevertheless is for a surprising contrast, despite the odds.

  • • However and nevertheless both show contrast, like...
  • • Use a semicolon before or a period after them to c...
10 examples 8 exercises 8 FAQ
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B1 Confusable-words

Nighttime vs. Night-time: What's the Difference?

Use nighttime for US English and night-time for UK English, but nighttime is becoming the global standard.

  • • Both nighttime (one word) and night-time (hyphenat...
  • • Nighttime is the standard in American English; nig...
10 examples 8 exercises 8 FAQ
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B1 Confusable-words

Nowhere vs. No-where: What's the Difference?

Always use nowhere as one word. The other forms are incorrect in modern English.

  • • Always use nowhere as one word for 'not in any pla...
  • • It's an adverb, so it describes where an action ha...
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.

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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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