French Irregular Verbs: The 15 You Actually Need to Know

French irregular verbs are the part of the language that most textbooks handle badly. They dump 50 verbs on you in a table, tell you to memorize them, and move on. The truth is that a small set of irregular verbs covers the vast majority of everyday French speech. If you can handle the 15 verbs in this guide, you will be able to build real sentences at A1 through B1 level without constantly hitting a wall.

Why French Irregular Verbs Feel So Hard

Regular -er verbs like parler follow one predictable pattern. Irregular verbs do not. Their stems change, their endings change, or both. Some have completely different forms depending on the subject. That unpredictability forces your brain to store each form individually rather than applying a rule, which is slower and requires more repetition.

The good news is that frequency does most of the work for you. The most common French irregular verbs appear so often in reading and listening that you get massive natural exposure. The problem is choosing which ones to tackle first.

The 15 Most Important French Irregular Verbs

The list below is ordered roughly by frequency in everyday French. The first five are essential even at A1. The rest become critical by A2 to B1. All conjugations shown are present tense unless noted.

Patterns That Actually Help

Irregular verbs are not entirely random. Several share stem patterns that cut your memorization load significantly.

The Boot Pattern (Verbs Like Vouloir and Pouvoir)

Vouloir and pouvoir both follow a boot shape. The stem changes for je, tu, il/elle, and ils/elles (the outer forms), but returns to the regular stem for nous and vous. Vouloir: veux, veux, veut, voulons, voulez, veulent. Pouvoir: peux, peux, peut, pouvons, pouvez, peuvent. Devoir follows the same shape. Once you see the boot, these three click together.

The Venir/Tenir Family

Venir (to come) and tenir (to hold) are conjugated identically except for the first letter. Any verb ending in -venir or -tenir follows the same pattern: devenir (to become), revenir (to come back), obtenir (to obtain), maintenir (to maintain). Learn venir once and you get the whole family.

The Prendre Family

Apprendre (to learn), comprendre (to understand), and surprendre (to surprise) all conjugate like prendre. The ils/elles form drops the d entirely: ils prennent, ils apprennent. That double-n in the ils form is a consistent signal across the whole family.

The Two You Cannot Shortcut: Être and Avoir

Être and avoir are not just common verbs. They are the auxiliary verbs used to build the passé composé (the most frequent past tense in everyday speech). Every compound tense in French runs through one of these two verbs. There is no pattern to lean on here. You simply have to know them cold. The payoff is enormous: fluent control of être and avoir unlocks past, future perfect, and subjunctive structures all at once.

If you are building your vocabulary and verb knowledge systematically, the spaced-repetition verb trainer on Fréquence drills exactly these high-frequency forms so you stop retrieving them slowly and start producing them automatically.

A Note on Spelling-Change Verbs

Some verbs are technically regular but have spelling changes that confuse learners. Appeler doubles the l (j'appelle), manger adds an e before -ons (nous mangeons), and commencer adds a cedilla (nous commençons). These are not truly irregular. The spelling changes are there to preserve the same sound across conjugations. Do not put them in the same mental bucket as the 15 verbs above.

How to Actually Learn These Verbs

Recognition is not enough. You need to produce the right form quickly without consciously thinking. Here is a practical sequence:

1. Learn the infinitive and its meaning. Then add je and il/elle forms first. Those two cover most of what you will hear and read.
2. Add nous and vous next. These are essential for speaking directly to people.
3. Add ils/elles last. It is the form most likely to throw a surprise stem at you (ils vont, ils font, ils ont).
4. Use each verb in a real sentence the same day you learn it. Write two or three sentences about your own life using the verb.
5. Review with spaced repetition. A word you see once and never revisit disappears. A word you review at increasing intervals becomes permanent.

You can also check the full verb section on Fréquence to see which verbs are taught at each CEFR level, so you know what to prioritize based on where you actually are.

Which Level Needs Which Verbs

Frequently Asked Questions

How many French irregular verbs are there in total?

Estimates vary by how you count, but most sources cite around 200 to 350 irregular verbs in French. The practical number you need for everyday fluency is much smaller. Corpus studies consistently show that the top 50 French verbs cover over 90 percent of verb use in spoken French, and the majority of those 50 are irregular. Focus on frequency, not completeness.

Do I need to memorize every tense for each irregular verb?

Not all at once. Present tense and passé composé cover most of what you need at A1 to B1. Add the imparfait (which is mostly regular, with être as the main exception), the conditional, and the subjunctive as you move up levels. Trying to learn all six tenses for every irregular verb simultaneously is a fast route to overwhelm.

Is the subjunctive of irregular verbs different too?

Often yes. Être and avoir have completely unique subjunctive forms (que je sois, que j'aie). Aller, faire, pouvoir, savoir, vouloir, and venir also have irregular subjunctive stems. The other verbs in the list of 15 use their ils/elles present-tense stem for the subjunctive, which makes them somewhat predictable once you know that stem.

What is the fastest way to stop confusing être and avoir as auxiliaries?

Learn the DR MRS VANDERTRAMP verbs (verbs of motion and change of state) as a fixed group. Those use être. All reflexive verbs use être. Everything else defaults to avoir. The confusion usually comes from trying to apply a vague rule rather than memorizing the specific list of être verbs. The list is short enough to learn in one focused session.

Keep Going Beyond the List

Mastering these 15 irregular verbs is not the finish line. It is the foundation. Once they become automatic, you will notice family members in your reading (comprendre, retenir, apercevoir) and pick them up with very little extra effort. The investment in the core list pays compound returns as your level rises.

If you want to know exactly where you stand right now, the free level test on Fréquence takes about five minutes and will tell you whether you are working at the right level for your current knowledge.

Fréquence (frequence.academy) is a French-learning platform built around spaced repetition and structured lessons from A1 to C1. The entire first unit, eleven lessons, is free and requires no credit card. If you want more practical French tips delivered regularly, follow @frequenceacademy on Instagram and YouTube where new content goes up each week.