CEFR · Intermediate

B1 English.
Intermediate.

B1 is the level where English flips from a thing you study to a thing you use. Watch shows. Talk shop. Live abroad. All of it starts here.

Free to start. No textbook. No streak shame.

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B1 words on Cool Mate
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native languages translated
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CEFR levels covered

What is B1?

B1, the intermediate level.

The threshold level. Where English starts working for you.

Who is it for?

Anyone who can handle daily life in English but still hits a wall the moment a topic gets specific, a joke gets fast, or the accent gets thick.

What you can do at B1

  • Understand the main points of clear standard input on familiar matters at work, school, or leisure.
  • Handle most situations a traveller meets, including unexpected complications.
  • Produce simple connected text on familiar topics or personal interest.
  • Describe experiences, events, dreams, and ambitions, and briefly justify opinions.

Sample words

What B1 English actually looks like.

Real B1 challenges from the Cool Mate feed. Tap any card to see the clip, audio, examples, and translations.

New challenges being published. Check back soon.

Why B1 matters

Real things you can do once B1 clicks.

Live in an English-speaking country and get by without a translator at your side.

Pass a job interview in English for an entry-to-mid role outside academia and medicine.

Stream a sitcom without subtitles and catch most of the plot, not all of the jokes.

Have an opinion in English, defend it for two minutes, and stop apologising for grammar.

How it works

Built for the way memory actually works.

Learn the phrase the way it's actually said.

Every challenge is a 3 to 15 second cut from a real show, news clip, or talk. You hear the rhythm, the stress, and the face behind the words.

An algorithm that times every clip.

An invisible Leitner box runs in the background. Each word comes back at the moment you're about to forget it. Fifty years of memory research, one tap.

Native audio, full speed and slow.

Every word has full-speed and slow-mo native audio. Tap once to copy the pronunciation the way a native actually says it.

Twelve native languages.

Definitions, examples, and grammar notes translate into your native language. Switch any time.

Up next

Where do you go from here?

B2 is where confidence catches up to comprehension. You stop searching for words mid-sentence. Worth the climb.

Questions

B1 English, answered.

Start understanding English today.

Free forever. Pro when you're ready.

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