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: B1
B1 Grammar

Adjective + Preposition: Interested IN, Good AT, Afraid OF

Many adjectives are always followed by a specific preposition. These are fixed collocations that must be memorised — the preposition cannot be changed.

  • • at: good at, bad at, surprised at, skilled at
  • • of: afraid of, proud of, tired of, aware of, capab...
5 examples 8 exercises 8 FAQ
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B1 Gerunds & Infinitives

Adjective + To-Infinitive (It's easy to learn)

Describe actions with feelings and opinions using `adjective + to-infinitive` for natural English flow.

  • • Connects adjectives to actions for opinions/feelin...
  • • Form: `It's + adjective + to-infinitive` or `Subje...
12 examples 8 exercises 8 FAQ
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B1 Grammar

Adjective Order: Opinion, Size, Age, Shape, Colour, Origin, Material

When using multiple adjectives before a noun, they follow a specific order: Opinion → Size → Age → Shape → Colour → Origin → Material → Noun. Native speakers follow this instinctively.

  • • Order: Opinion → Size → Age → Shape → Colour → Ori...
  • • Example: a lovely (opinion) little (size) old (age...
5 examples 8 exercises 8 FAQ
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B1 Grammar

Adjectives Used as Nouns: The Poor, The Elderly, The Unknown

In English, "the" + adjective can refer to a group of people. "The poor" means "poor people". These are always plural in meaning and take a plural verb. They do NOT add -s.

  • • the + adjective = a group of people: the poor = po...
  • • Always takes a plural verb: The rich are getting r...
5 examples 8 exercises 8 FAQ
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B1 Grammar

All and Both: Quantifiers for the Whole Group

"All" refers to every member of a group of three or more. "Both" refers to two things or people. Both go before the noun but after auxiliary verbs.

  • • all = every one (3 or more): All the students pass...
  • • both = the two (exactly 2): Both options are good.
5 examples 8 exercises 8 FAQ
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B1 Confusable-words

Allegory vs. Analogy: What's the Difference?

An allegory is a symbolic story; an analogy is an explanatory comparison.

  • • An allegory is a whole story where characters and...
  • • An analogy is a simple comparison to explain a com...
12 examples 8 exercises 8 FAQ
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B1 Grammar

Already, Still, Yet: What's the Difference?

Already = sooner than expected (positive). Still = continuing or not yet stopped (surprise). Yet = expected but not happened (negatives and questions). Position in the sentence differs for each.

  • • already: sooner than expected — I have already eat...
  • • still: continuing when perhaps it should have stop...
5 examples 8 exercises 8 FAQ
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B1 Confusable-words

Although vs. However: What's the Difference?

Understand their grammatical roles and punctuation to master contrast.

  • • Although connects clauses; however connects senten...
  • • Although: `Although X, Y.` However: `X; however, Y...
12 examples 8 exercises 8 FAQ
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B1 Confusable-words

Amend vs. Emend: What's the Difference?

Amend a law or your plans; emend a book or a manuscript.

  • • `Amend` means to improve or change, like a law or...
  • • `Emend` means to correct errors, specifically in a...
10 examples 8 exercises 8 FAQ
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B1 Grammar

Another, Other, Others, The Other, The Others

"Another" means one more / a different one (singular). "Other/others" means different ones (not specific). "The other/the others" refers to the remaining specific one(s).

  • • another + singular noun: one more or a different o...
  • • other + plural/uncountable noun: different ones in...
5 examples 8 exercises 8 FAQ
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B1 Grammar

Any, No, None: Zero and Negative Quantifiers

"Any" is used in questions and negatives. "No" + noun means zero (with positive verb). "None" is the pronoun replacement — it stands alone without a noun.

  • • any + noun → questions/negatives: Do you have any...
  • • no + noun → zero amount with positive verb: There...
5 examples 8 exercises 8 FAQ
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B1 Confusable-words

Are vs. Were: What's the Difference?

Match `are` to now, `were` to then, always with plural subjects or 'you.'

  • • "Are" is present tense; "were" is past tense.
  • • Both used for plural subjects and "you."
12 examples 8 exercises 8 FAQ
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B1 Prepositions

Arrivals & Appearances: Using 'Show Up'

Master `show up` for natural, informal talk about arrivals and appearances in English.

  • • Means to arrive or appear, usually informally.
  • • Formed by 'show' + 'up', typically inseparable.
12 examples 8 exercises 8 FAQ
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B1 Grammar

Auxiliary Verbs: Do, Be, Have — How They Work

Do, be, and have are auxiliary (helping) verbs. They are used to form questions, negatives, tenses, and for emphasis. Understanding which auxiliary to use is key to grammatical accuracy.

  • • Do/does/did: questions and negatives in present/pa...
  • • Be (am/is/are/was/were): continuous tenses and pas...
5 examples 8 exercises 8 FAQ
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B1 Grammar

B1 Tense Review: All the Key Tenses at a Glance

At B1 level you need to control 8 key tenses: present simple/continuous, past simple/continuous, present perfect simple/continuous, past perfect, and future forms.

  • • Past: past simple (finished action), past continuo...
  • • Present: present simple (habit/fact), present cont...
5 examples 8 exercises 8 FAQ
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B1 Gerunds & Infinitives

Being Accustomed to Something (Be Used To + -ing)

Mastering `be used to + -ing` helps you sound incredibly natural when discussing current habits and comfort zones.

  • • Expresses being familiar or accustomed to somethin...
  • • Formed with be + `used to` + verb-ing.
12 examples 8 exercises 8 FAQ
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B1 Grammar

Both, Either, Neither: Talking About Two Options

"Both" = the two (positive). "Either" = one of the two (choice or negative). "Neither" = not one and not the other (zero of two).

  • • both = the two together (positive): Both films wer...
  • • either = one or the other (choice): You can take e...
6 examples 8 exercises 8 FAQ
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B1 Confusable-words

But vs. However: What's the Difference?

Punctuation is key: `but` is for short connections, `however` for more formal, significant contrasts.

  • • Both 'but' and 'however' introduce contrasting ide...
  • • 'But' joins clauses with a comma; 'however' uses s...
12 examples 8 exercises 8 FAQ
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B1 Verb Moods

Can: Expressing Ability (Can)

Mastering 'can' unlocks confident communication for abilities and everyday requests.

  • • Expresses ability, permission, or possibility.
  • • Formation: Subject + can + base verb.
12 examples 8 exercises 8 FAQ
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B1 Prepositions

Caring for things: 'Look after'

`Look after` means to take responsibility for the care or supervision of someone or something.

  • • To supervise or take care of someone/something.
  • • Subject + `look after` + Object.
12 examples 8 exercises 8 FAQ
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B1 Prepositions

Checking and Searching: Using 'Go Through'

Master 'go through' to precisely describe detailed examination, thorough searching, or enduring experiences.

  • • To examine, search, or experience thoroughly.
  • • Formed by 'go' + 'through' + object.
10 examples 8 exercises 8 FAQ
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B1 Grammar

Clauses of Contrast, Purpose, and Reason

Subordinate clauses add meaning to main clauses. Contrast clauses show opposition (although, even though, despite). Purpose clauses show why (to, so that, in order to). Reason clauses explain cause (because, since, as).

  • • Contrast: although/even though + clause; despite/i...
  • • Purpose: to/in order to + infinitive; so that + su...
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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