B1 French explained: what you can actually do

The CEFR description of B1 reads like an HR competency framework. "Can deal with most situations likely to arise while travelling in an area where the language is spoken." Helpful, in the way that "Can use a computer" is helpful.

Here is what B1 actually looks like in real life, based on a year of being squarely at this level and a few months of climbing out of it.

What B1 means in plain language

At B1, you can:

- Order a meal, explain a dietary restriction, and politely complain that the steak is overcooked. - Open a bank account in French — slowly, with one or two « désolé, vous pouvez répéter ? » interventions. - Handle an unexpected situation: missed train, lost wallet, doctor visit for a non-serious illness. - Follow a slow-spoken podcast on a familiar topic (travel, food, work, news in slow French). - Read a kids' news article or a graded reader without a dictionary. - Write a 150-word personal email — what you did last weekend, why you can't make Saturday.

What you cannot yet do reliably:

- Follow a normal-speed France Inter podcast. - Read Le Monde without ten or more lookups per article. - Argue a nuanced position out loud. - Watch a French film without subtitles.

If most of the first list sounds like "yeah, I can do that" and most of the second feels out of reach, you're B1.

The grammar markers of B1

You don't get to B1 without these. Conversely, if you've got these, you're probably there:

- *Passé composé, fluent and automatic. J'ai mangé, je suis allé, agreement with être verbs. - Imparfait for background and description. The big one is the passé composé / imparfait contrast — see my post on [which to pick](/blog/passe-compose-vs-imparfait) if it still trips you up. - Futur simple: je partirai, tu finiras. (Futur proche, je vais partir, is A2.) - Conditionnel présent: je voudrais, je pourrais. Politeness alone gets you a long way at B1. - Subjunctive after il faut que**. Just this one trigger is enough to count as B1. - Pronouns y and en*, used correctly more often than not.

You do not need full mastery of the subjunctive, the conditional past, or the passé simple. Those are B2+.

Vocabulary size at B1

Estimates I trust put B1 at roughly *2,000 active words* and 4,000+ passive. By comparison, A2 is around 1,000 active, B2 is around 4,000 active.

Active = you can use it in a sentence under time pressure. Passive = you understand it when you read or hear it.

The active number matters more than people think. A B1 speaker with 1,500 active words who recycles them well sounds more competent than someone who knows 3,000 words but freezes searching for the perfect one.

The intermediate plateau starts here, not at B2

The popular framing is that the plateau hits at B2. I'd push back. B2 is where the recognised plateau hits because that's when learners realise they've stopped progressing.

The plateau actually starts at B1. From A0 to B1, every hour of input yields visible progress because the words are common. From B1 onwards, the next batch of words shows up far less often. You can read a B1 article and meet a B2 word maybe once a chapter — and again three weeks later in a different context. Acquisition slows because exposure slows.

If you've been at B1 for six months and you feel stuck: that's the math, not your ability.

The escape is volume. The B1 study guide walks through the routine I used to break out.

How long it takes to reach B1

Hard numbers:

- *Alliance Française estimates 200–350 contact hours of class time for an Anglophone adult. - FSI* (US State Department) puts French in Category I — about 600–750 hours to professional B2. Roughly half of that gets you to B1, so ~300–375 hours.

Those are contact hours. In practice, you spend 2–3× that in self-study around the classes.

In real terms:

- Full immersion (move to France, work in French): 3–6 months to B1. - Intensive course (15 hours/week): 6–9 months. - Casual self-study (30 min/day): 12–24 months. - Duolingo only: probably never, honestly.

The number that matters more than total hours is *consecutive days of contact*. A learner doing 25 minutes a day every day will beat a learner doing 4 hours every Sunday.

How to know you've actually arrived

Paste a paragraph from a B1-labelled graded reader into the level checker and see if it comes back at your level. Then read it cold. If you understood 85% without lookups, you're B1. If you understood 95%, you're already above and should be hunting for slightly harder material.

A quick second test: take a paragraph of your own writing and run it through the B1 detector. If your own French registers as B1, you're at least productively B1.

What to do next

Don't try to "be B2." Try to widen your B1 — read more, listen more, write a short paragraph in French most days. The level changes around you.