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: A2
A2 Verb Tenses

Past Perfect: What Had Happened Before?

Past perfect (had + past participle) describes an action that happened BEFORE another past action.

  • • Form: had + past participle (same for all subjects...
  • • Use for the earlier of two past actions
4 examples 8 exercises 8 FAQ
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A2 Verb Tenses

Used To: Past Habits and States That Changed

Used to describes habits or states that were true in the past but are not true now. It always refers to something that has changed.

  • • Used to + base verb = past habit or state (no long...
  • • Negative: didn't use to + base verb
4 examples 8 exercises 8 FAQ
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A2 Modal Verbs

Might and May: Talking About Possibility

Might and may both express possibility (about 50% chance). Use might not / may not for negative possibility. At A2 level, might is more common in spoken English.

  • • might/may + base verb = possibility (~50%)
  • • might is more common in spoken English
4 examples 8 exercises 8 FAQ
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A2 Modal Verbs

Should and Shouldn't: Giving Advice

Use should to give advice or a recommendation. Use shouldn't for negative advice. Should is the same for all subjects.

  • • Should + base verb: advice (You should sleep more....
  • • Shouldn't: negative advice (You shouldn't smoke.)
4 examples 8 exercises 8 FAQ
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A2 Verb Moods

Must vs. Have to: Talking about Necessity

Must is *you* deciding; have to is *the world* deciding. Know the difference!

  • • Must is personal obligation, have to is external n...
  • • Must + base verb; have to needs do/does for questi...
12 examples 8 exercises 8 FAQ
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A2 Verb Moods

Forbidden Actions: How to use Mustn't

Use mustn't to express that something is strictly forbidden, prohibited, or a very bad idea.

  • • Used for prohibition (don't do it!).
  • • Same form for all subjects (I/You/He/They).
10 examples 8 exercises 8 FAQ
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A2 Verb Moods

Must Not vs. Need Not (Prohibition vs. Choice)

Use `must not` for things you are forbidden to do, and `need not` for things you aren't forced to do.

  • • Must not means something is forbidden or against t...
  • • Need not means something is optional or not requir...
10 examples 8 exercises 8 FAQ
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A2 Verb Moods

Making suggestions with "Let's"

Embrace 'Let's' for friendly, direct group suggestions and shared actions. It's super simple!

  • • Use 'Let's' to suggest activities for a group.
  • • Formed by 'Let's' plus the base verb.
12 examples 8 exercises 8 FAQ
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A2 Conjunctions & Connectors

Ordering Your Ideas (Then, Next, Finally)

Connect your ideas chronologically using 'then', 'next', and 'finally' to create a clear, logical flow for your listener.

  • • Use 'then' and 'next' to show the order of events...
  • • Always use 'finally' for the very last step in a s...
12 examples 8 exercises 8 FAQ
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A2 Conjunctions & Connectors

Giving Reasons with 'Because'

'Because' is your key to explaining anything and everything in English.

  • • Use 'because' to explain *why* something happens o...
  • • Form sentences: `[Result] because [Reason]` or `Be...
12 examples 8 exercises 8 FAQ
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A2 Conjunctions & Connectors

Result Conjunction: So (Cause and Result)

Use so to link a cause to its result, making your English sound natural and logical.

  • • Connects a cause (reason) to its result.
  • • Pattern: Cause, so Result.
10 examples 8 exercises 8 FAQ
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A2 Sentence Structure

Expressing Purpose with To and For

Use to + infinitive to explain WHY you do something. Use for + noun to say what something is used for. Both express purpose.

  • • to + infinitive: why you do something (I went to b...
  • • for + noun/-ing: what something is used for
4 examples 8 exercises 8 FAQ
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A2 Grammar

Too, Too Much, Too Many & Enough

Too means "more than needed" (negative); enough means "the right amount". Use too much with uncountable nouns and too many with countable nouns.

  • • too + adjective/adverb: The coffee is too hot.
  • • too much + uncountable noun: too much noise, too m...
5 examples 8 exercises 8 FAQ
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A2 Adjectives & Adverbs

Comparatives: -er and more

Master '-er' and 'more' to compare anything in English naturally and effectively.

  • • Compare two things by their qualities.
  • • Add '-er' to short words, 'more' to long words.
10 examples 8 exercises 8 FAQ
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A2 Adjectives & Adverbs

Comparing Things (bigger, more expensive)

Master -er and more to confidently compare two things, making your English more dynamic!

  • • Compare two things by changing adjectives.
  • • Add -er to short ones, use more for long ones.
12 examples 8 exercises 8 FAQ
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A2 Adjectives & Adverbs

Superlatives: The Best and the Worst (-est / most)

Superlatives help you declare the absolute top (or bottom!) of any group with `the -est` or `the most`.

  • • Compare one thing to all others in a group.
  • • Add -est to short adjectives, `the most` to long o...
12 examples 8 exercises 8 FAQ
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A2 Adjectives & Adverbs

Irregular Superlatives: Best, Worst & More

Mastering irregular superlatives like 'best' and 'worst' makes your English sound natural and confident.

  • • Irregular superlatives (best, worst) don't follow...
  • • Formed by unique words: good -> best, bad -> worst...
12 examples 8 exercises 8 FAQ
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A2 Adjectives & Adverbs

As...as: Comparing things as equals

The as...as pattern compares two things as equals using the base form of any adjective or adverb.

  • • Use as + adjective + as to show two things are equ...
  • • Keep the adjective in its base form; never use com...
10 examples 8 exercises 8 FAQ
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A2 Nouns & Articles

Every, Each, All: Talking about groups

Choose each, every, or all carefully; they change how you perceive the group.

  • • Quantifiers every, each, all talk about groups.
  • • Each/Every + singular noun/verb; All + plural/unco...
12 examples 8 exercises 8 FAQ
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A2 Nouns & Articles

Both, Either, and Neither: The Rule of Two

Master both, either, and neither to confidently talk about exactly two options or items.

  • • Use both, either, neither for exactly two items.
  • • Both takes plural, either/neither usually singular...
12 examples 8 exercises 8 FAQ
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A2 Grammar

Indefinite Pronouns: Something, Anything, Nothing, Everyone

Use something/someone in positive sentences, anything/anyone in questions and negatives, nothing/no one when the meaning is already negative.

  • • some- words: for positive statements (something, s...
  • • any- words: for questions and negative sentences (...
5 examples 8 exercises 8 FAQ
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A2 Verb Tenses

Do vs Make: What's the Difference?

Do = activities, tasks, work (often vague). Make = creating or producing something. Learn the most common collocations.

  • • DO: activities, tasks, work (do homework, do exerc...
  • • MAKE: create or produce (make a cake, make a decis...
5 examples 8 exercises 8 FAQ
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A2 Verb Tenses

Phrasal Verbs: An Introduction (Turn On, Give Up, Look After)

A phrasal verb is a verb + particle (preposition or adverb) that together has a new meaning. The meaning is often different from the individual words.

  • • Phrasal verb = verb + particle (new meaning)
  • • Common: turn on/off, give up, look for, look after...
5 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.

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