80:20English Grammar Course

Master the 20% that makes 80% of the difference!

    for B1/B2+ learners
    self-guided or with a mentor
    100+ tasks on interactive platform
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A Course Designed Specifically For Learners Like You

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Are you an intermediate or upper-intermediate English speaker who still struggles with those nagging grammar mistakes
Do you feel that these errors hold you back from truly sounding professional, especially in a business context?
Welcome to the 80:20 English Grammar Coursea course designed specifically for learners like you. 
You’ve already mastered the basics, but certain mistakes continue to trip you up. We have a solution for you!

What is 80:20?

Our course is built on the Pareto principle: 20% of your grammar knowledge could be causing 80% of your mistakes. We focus only on these problematic areas, helping you eliminate the most common errors that even advanced learners struggle with.

What You’ll Learn

Spot the Mistakes

We list the most common grammar mistakes. Recognize what you’re doing wrong.

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Correct Examples

We provide incorrect and correct examples, so you can see the difference clearly.

Rules & Explanations

Understand the rules behind these common mistakes, and repeat them.

We have chosen the most problematic grammar topics for intermediate and even advanced learners

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Perfect Modals

Comparatives

Passive Voice

Narrative Tenses 

Reported Speech

Conditional Sentences

How You'll Learn

Our interactive platform offers a tailored learning experience

  • Practice makes perfect. After reviewing the mistakes and correct examples, dive into multiple exercises designed by our professional teaching team.

  • Learn at your own pace. Practice as much as you need. You can erase your answers and try again, revisiting exercises whenever you like.

Why Choose 80:20?

This course is not about covering every grammar rule from scratch,it's about targeting the specific areas that are holding you back. By focusing only on the essential 20%, you’ll make the biggest impact on your overall fluency and professionalism.

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The Largest Selection of Interactive Exercises 

No unnecessary repetition of basic grammar. Work on areas that will immediately elevate your English.

    focus on problematic areas
    for strong learners
    immediate feedback
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Flexible Learning Plans 

Choose the learning plan that best fits your lifestyle and preferences.

    self-study plan
    mentor support plan
    available 24/7
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Tailored to Fit Your Goals

Master the nuances of English grammar to communicate clearly and professionally.

    improve fast
    anytime, anywhere
    for business success

Pricing

Choose the plan that’s right for you

Test Drive

$10

Unlimited access to one topic

access one topic of your choice

experience the quality of our materials 

no mentor support

Premium

$80

unlimited access

6 most problematic grammar topics included

100+ Interactive exercises

Self-paced learning, no mentor support

Pro

$150

3-month mentor support + unlimited access to the platform

6 most problematic grammar topics included

100+ interactive exercises

Support from a mentor in a Telegram channel

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FAQ

Here you will find answers to the most popular questions of our students. Didn’t find what you need? Just send us a request.

  • What types of tasks are available on the platform?

    The platform offers a variety of exercises designed to tackle common grammar mistakes. These include fill-in-the-gap tasks, translations from Ukrainian into English, correcting mistakes, choosing the correct option, and more. The system marks any mistakes in red, allowing you to revisit and correct them later.

  • How are the lessons structured?

    Each lesson includes visual materials created by our teaching experts and professionally designed by our graphic team. You'll find common mistakes (wrong versions), corrected examples, clear explanations, additional examples, and key takeaways. There are also PDF files and links to traditional grammar rule explanations for further reading.

  • Can I revisit lessons and practice them again?

    Yes! Even if you’ve completed a lesson correctly, you can erase your previous answers and try again after some time to see if your knowledge has remained stable. This helps reinforce learning and ensures long-term retention.

  • Are there motivational tools to keep me engaged?

    Absolutely. The platform includes motivational quotes to encourage you, as well as video tasks where you can spot grammar structures in real-life contexts. These elements are designed to keep you motivated and make learning enjoyable.

  • Will there be new tasks added to the platform?

    Yes, we regularly add new tasks and materials to the lessons, and as a learner, you’ll automatically gain access to these updates. This ensures you always have fresh content to work with and stay challenged.

  • Can I try the course before purchasing a full plan?

    Yes! We offer a free Test Drive option where you can access an example part of the course to explore the interactive platform and see the quality of our materials.

  • What kind of mentor support is included in the Mentor-Supported plan?

    With the Mentor-Supported plan, you’ll get access to a dedicated Telegram channel where our professional mentors provide personalized support. You can ask questions, receive additional explanations, and join biweekly webinars to deepen your understanding.

  • What happens after my 3 months of mentor support ends?

    After the initial 3 months, you can continue to access the course materials on the platform. If you want to continue receiving mentor support, you can extend it for $30 per month.

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