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
    24/7 personal AI assistant

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 Course - a 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 where you’re going 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.

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.

  • a

    AI Assistant Support. After practicing on the platform, you can ask your personal AI assistant to test you, highlight your weak areas, and point out what else should be covered.

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
    personal AI assistant
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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

Free

Unlimited access to the trial lesson

example part of the course

explore the interactive platform

experience the quality of our materials 

AI assistant not available

no mentor support

Premium

$120

unlimited access

all 10 grammar topics included

24/7 access to the AI Assistant

100+ Interactive exercises

all course materials

Self-paced learning, no mentor support

Pro

$170

3-month mentor support + unlimited access to the platform

all 10 grammar topics included

24/7 access to the AI Assistant

100+ interactive exercises

all course materials

Support from a mentor in a Telegram channel

FAQ

On this page, you will find answers to the most popular questions of our customers. Didn’t find what you need? Just send us a request.

  • How can I make the order?

    You should choose the plan which meets your needs and requirements and send us a message to place the order. You can also make it online.

  • What if I don’t know what plan I need?

    Our specialist can help you assess your particular issue and define which plan suits you the most. Feel free to contact us.

  • What payment options do you provide?

    We offer a variety of payment methods. We accept cash, checks, and the majority of credit cards such as Visa, MasterCard, and American Express.

  • Do you have a money-back guarantee?

    We offer a variety of payment methods. We accept cash, checks, and the majority of credit cards such as Visa, MasterCard, and American Express.

  • How can I change my plan?

    We offer a variety of payment methods. We accept cash, checks, and the majority of credit cards such as Visa, MasterCard, and American Express.

  • Can I get video consultation with your specialist?

    We offer a variety of payment methods. We accept cash, checks, and the majority of credit cards such as Visa, MasterCard, and American Express.

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