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 Confusable-words

On-friday vs. In-friday: What's the Difference?

Use on for days and dates. Use in for months and years. Never `in Friday`.

  • • Use on for specific days like `on Friday` or `on M...
  • • The pattern is simple: On + [Day of the Week/Date]...
10 examples 8 exercises 8 FAQ
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B1 Confusable-words

Onto vs. Into: What's the Difference?

Into means entering an inside space; onto means moving to a top surface.

  • • Into describes movement to an inside or enclosed s...
  • • Onto describes movement to a top surface.
12 examples 8 exercises 8 FAQ
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B1 Confusable-words

Onto vs. On-to: What's the Difference?

onto is for landing on something; `on to` is for moving on to something.

  • • onto is one word for movement to a position on a s...
  • • `on to` are two words, used when 'on' is part of a...
12 examples 8 exercises 8 FAQ
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B1 Confusable-words

Over vs. Above: What's the Difference?

Use `over` for movement, covering, and numbers. Use `above` for a static higher level.

  • • Use 'above' for a general higher position, like a...
  • • Use 'over' for movement across something, covering...
12 examples 8 exercises 8 FAQ
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B1 Confusable-words

People-do vs. Does: What's the Difference?

Use 'does' for one person/thing (he, she, it) and 'do' for everyone else.

  • • Use 'does' for he, she, it (and singular nouns).
  • • Use 'do' for I, you, we, they (and plural nouns).
12 examples 8 exercises 8 FAQ
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B1 Confusable-words

People-dont vs. Doesnt: What's the Difference?

Use doesn't for he, she, it. Use don't for everyone else. The verb stays basic.

  • • Use 'doesn't' for he, she, it; use 'don't' for all...
  • • Formation: Subject + don't/doesn't + base verb (no...
10 examples 8 exercises 8 FAQ
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B1 Grammar

Present Simple or Present Continuous? The Key Differences

Present simple is for habits, routines, and general truths. Present continuous is for things happening right now or temporary situations around the present.

  • • Present simple: habits, routines, facts — She work...
  • • Present continuous: happening now or around now —...
5 examples 8 exercises 8 FAQ
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B1 Confusable-words

Please-contact-me vs. Myself: What's the Difference?

Use 'me' when someone does something to you; use 'myself' for emphasis or when you do something to yourself.

  • • Use 'me' when you are the object of an action.
  • • 'Myself' reflects an action back to the subject or...
10 examples 8 exercises 8 FAQ
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B1 Confusable-words

People-is vs. Are: What's the Difference?

Always use `people are`. The word people is plural, and it needs a plural verb.

  • • Treat people as a plural noun, just like they.
  • • The correct formation is always people + are (or a...
10 examples 8 exercises 8 FAQ
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B1 Confusable-words

Quite vs. Quiet: What's the Difference?

`Quiet` is for sound, `quite` is for scale.

  • • `Quiet` is an adjective describing low or no sound...
  • • `Quite` is an adverb meaning 'to some extent' or '...
12 examples 8 exercises 8 FAQ
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B1 Confusable-words

Prose vs. Poetry: What's the Difference?

Prose explains and narrates; poetry feels and sings.

  • • Prose is ordinary written language in sentences an...
  • • Poetry uses lines, stanzas, and rhythm for artisti...
10 examples 8 exercises 8 FAQ
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B1 Grammar

Position of Adverbs and Adverb Phrases

Adverbs have three main positions: front (start), mid (before main verb or after auxiliary), and end (after verb/object). The type of adverb usually determines its position.

  • • Frequency adverbs: mid-position — She always arriv...
  • • Manner adverbs: end position — She spoke quietly....
5 examples 8 exercises 8 FAQ
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B1 Grammar

Pretty, Quite, Rather, Fairly: Degree Adverbs

Pretty, quite, rather, and fairly all mean "to some degree" — but with different strengths and connotations. Quite is the most neutral. Rather adds surprise or criticism. Pretty is informal. Fairly is the weakest.

  • • fairly: weak degree — It was fairly good. (= accep...
  • • quite: moderate degree — The film was quite good....
5 examples 8 exercises 8 FAQ
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B1 Grammar

Probability: Likely, Unlikely, Bound To, Definitely, Probably

Use likely, unlikely, bound to, definitely, and probably to express how certain you are about something. They differ in strength and grammar.

  • • likely/unlikely + to-infinitive: She is likely to...
  • • bound to + infinitive: almost certain — He is boun...
5 examples 8 exercises 8 FAQ
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B1 Verb Moods

Probability Booster: May Well & Might Well

`May well` and `might well` make your predictions sound more confident and logical.

  • • May/might well boost probability, meaning 'very li...
  • • Formation: `Subject + may/might well + base verb`.
12 examples 8 exercises 8 FAQ
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B1 Grammar

Question Tags: Aren't You? Don't You? Isn't It?

Question tags are short questions added to the end of a statement to check information or seek agreement. A positive statement takes a negative tag; a negative statement takes a positive tag.

  • • Positive statement + negative tag: She is your sis...
  • • Negative statement + positive tag: You haven't met...
5 examples 8 exercises 8 FAQ
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B1 Gerunds & Infinitives

Polite Requests: 'Would Like' + Infinitive

Use `'would like'` + infinitive for polite requests and desires, making your English sound smoother and more respectful.

  • • Polite way to express desires or make requests.
  • • Formed with `'would like'` + 'to' + base verb.
12 examples 8 exercises 8 FAQ
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B1 Verb Tenses

Present Perfect: News and Recent Events

Share fresh updates and changes with the Present Perfect – your ultimate news reporter tense!

  • • Connects past events to present relevance.
  • • Formed with have/has + past participle.
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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