English Mastery & Teaching: near-native proficiency

01

From C1 to C2: what mastery means

In simple words

At C1 you can drive anywhere in the city. At C2 you drive so smoothly that passengers forget about the car. And when you can teach someone else to drive, you really know the road.

Before this course: Advanced English Fluency: discussion, debate and nuance (course 6.2.3). You already know what C1 means, how to hedge, use concession and inversion, use idioms carefully, switch register and build an argument. This course is the expert level: precision at C2, and the first steps in teaching English to others.

Key facts

The Council of Europe's CEFR has six levels: A1, A2, B1, B2, C1, C2. C1 and C2 together form the "Proficient user" band. C2 is the highest level.
The official C2 description (global scale) says a C2 user can:
understand with ease virtually everything heard or read;
summarise information from different spoken and written sources, reconstructing arguments and accounts in a coherent presentation;
express themselves spontaneously, very fluently and precisely, differentiating finer shades of meaning even in more complex situations.
C1 compared with C2:

Skill	C1 (course 6.2.3)	C2 (this course)
Understanding	demanding, longer texts; implicit meaning	virtually everything, with ease
Speaking	fluent, without much searching for words	very fluent and precise, finer shades of meaning
Working with sources	clear, well-structured text on complex subjects	summarise many sources and rebuild their arguments

"Near-native" is not a CEFR level name. The CEFR describes what you can do, not who you sound like. An accent is fine at every level if people understand you easily.
Teaching is a test of mastery. To teach a point, you must know its meaning, its form, how it sounds and when people use it.

Word	Meaning	How to say it
precise	exact and correct	prih-SYSE
connotation	the feeling or idea a word carries beyond its basic meaning	kon-uh-TAY-shun
coherent	clear and logical, easy to follow	koh-HEER-ent
mediate	help people understand a text or each other	MEE-dee-ayt

Example (dialogue)

Learner: "Is my English C2 if I don't have an accent?"
Teacher: "Accent isn't the test. C2 is about understanding almost everything with ease and saying exactly what you mean."
Learner: "So precision matters more than sounding local?"
Teacher: "Exactly. Clear and precise beats a perfect accent."

Step by step

Read the three parts of the C2 description slowly.
For each part, give yourself a score from 1 to 5 and write one real example as evidence.
Record a 3-minute talk explaining a complex topic you know well (a process at work, a scientific idea, a news issue).
Listen back and mark every place where your word was close but not exact.
Write three goals for this course: one for precision, one for sources, one for teaching.
Keep the recording; you will compare it in Lesson 7.
Check: you have three scores with evidence, three goals and a saved recording.

LESSON 01From C1 to C2: what mastery means

LESSON 01 / ANIMATED LESSON / AI VOICE00:00 / 01:00

Voice

Read the video script

[Host at a desk] "C1 is flexible English. C2 is precise English."
[Text on screen: C2 = understand with ease, summarise sources, finer shades of meaning] "The CEFR says a C2 user understands almost everything with ease, summarises many sources and shows finer shades of meaning."
[Text on screen: Near-native is not a CEFR level] "Notice what is missing: accent. The scale is about what you can do."
[Host] "And the final step of mastery? Teaching it to someone else. That is where this course ends."

Try it now

Record a 3-minute explanation of a complex topic and write your C2 self-scores with evidence. Save both for Lesson 7.

ClaudeStuck? Copy a ready-made prompt for Claude

Copy this, open Claude, paste it, and Claude will walk you through the lesson step by step.

For a grown-up: Claude is for adults (18+). Copy this, paste it into Claude, and use the answer to explain the lesson to your child.

I'm learning "English Mastery & Teaching: near-native proficiency" on The Future Market. Lesson 1: "From C1 to C2: what mastery means".

What the lesson teaches:
- The Council of Europe's CEFR has six levels: A1, A2, B1, B2, C1, C2. C1 and C2 together form the "Proficient user" band. C2 is the highest level.
- The official C2 description (global scale) says a C2 user can:
- understand with ease virtually everything heard or read;
- summarise information from different spoken and written sources, reconstructing arguments and accounts in a coherent presentation;
- express themselves spontaneously, very fluently and precisely, differentiating finer shades of meaning even in more complex situations.
- C1 compared with C2:
- Skill - C1 (course 6.2.3) - C2 (this course)

The exercise I'm working on:
Record a 3-minute explanation of a complex topic and write your C2 self-scores with evidence. Save both for Lesson 7.

I'm stuck. Please:
1. Explain the main idea in plain, simple words with one everyday example.
2. Walk me through the exercise one small step at a time. Ask me what I've done so far before giving the next step.
3. Don't just give me the final answer. Help me do it myself, and check my work when I share it.

I'm a parent helping my child (about 8 years old) with a lesson called "From C1 to C2: what mastery means" from the course "English Mastery & Teaching: near-native proficiency".

Here's what the lesson says:
At C1 you can drive anywhere in the city. At C2 you drive so smoothly that passengers forget about the car. And when you can teach someone else to drive, you really know the road.

The activity:
Record a 3-minute explanation of a complex topic and write your C2 self-scores with evidence. Save both for Lesson 7.

Please explain this so an 8-year-old understands: short sentences, a fun everyday example, and no hard words.
Then give me 3 simple questions I can ask my child to check they understood, and a way to do the activity together, one tiny step at a time.

Open Claude

Sources

Council of Europe, CEFR global scale (Table 1, C1 and C2 descriptions): www.coe.int/en/web/common-european-framework-reference-languages/table

My notes

I learned this

02