french-stem-changing-verbs

French Stem-changing Verbs: The 6 Fickle Verb Types to Know

Conjugation is a fact of French-language life.

There isn’t any way around it, and it’s easy to get burned in the process.

You’ll need to face the imperative, the conditional, the subjunctive and all of those past tenses.

That being said, this is really useful information.

It is, after all, thanks to verb conjugation that we can know who’s doing what and situate their actions in time.

Broadly speaking, verbs fall into regular and irregular conjugation patterns.

Things are smooth sailing with the former category. When it comes to irregular conjugations, though, you have to let up on the cruise control. With this in mind, one could say that stem-changing verbs borrow from a bit from column A and a bit of column B. Walk with me.

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What Are French Stem-changing Verbs?

Conjugation takes place through the process of isolating the stem, also known as a radical. What’s a stem? For example, the stem of the verb parler (to speak) is parle-. 

Stem-changing verbs are the group of -er verbs that have two different stems:

1. One stem for the first person singular (me), second person singular (informal you), third person singular (he, she, formal you) and third person plural (they) conjugations.

2. One stem for the first person plural (we) and second person plural (you all) conjugations.

Stem changes aren’t only limited to the present tense. They also occur in the imperative and the subjunctive, as well as in the future and the conditional. The rules for these stem changes in different tenses are slightly different—and beyond the scope of this post—but it’s important to know that they do occur.

One key thing to know is that if a verb has a stem change in the present tense, then it will have one in the subjunctive as well.

Whew. That may sound complicated but it’s not so bad as long as you stay on your toes (and practice!).

How to Practice Your French Stem-changing Verbs

  • Use FluentUFluentU might not be a conjugation app, but it’s an excellent way to hear how French verbs behave in the wild, as they’re used by real native French speakers.

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French Stem-changing Verbs: 6 Fickle Verb Types to Know

There are six types of stem-changing verbs, which are categorized according to the final four letters of the verb.

1. -ayer verbs

Verbs that end in -ayer can undergo an optional stem-change in which the y changes to i, except in the nous (we) and vous (you, plural) forms.

Let’s take the verb essayer (to try) as an example. It can either be conjugated as any ole -er verb, like so:

J’essaye (I try)

Tu essayes (You try)

Il/Elle essaye (He/she tries)

Nous essayons (We try)

Vous essayez (You all try)

Ils/elles essayent (They try)

If we apply a stem change, it can be conjugated as follows:

J’essaie

Tu essaies

Il/Elle essaie

Nous essayons

Vous essayez

Ils/Elles essaient

The stem-changing spelling variation is generally more common than the non-stem-changing spelling variation, although both are considered correct.

Balayer (to sweep), effrayer (to frighten) and payer (to pay) are some common –ayer verbs that you’re bound to come across.

2. -eler verbs

Unlike -ayer verbs, the stem change is non-negotiable in the case of -eler verbs. The stem change that verbs that end in -eler undergo in the present tense entails the adding of an l in all forms save for nous (we) and vous (you all).

The verb épeler (to spell) is one such verb that follows this pattern:

J’épell(I spell)

Tu épelles (You spell)

Il/Elle épell(He/she spells)

Nous épelons (We spell)

Vous épelez (You all spell)

Ils/Elles épéllent (They spell)

Other common verbs that follow this pattern are appeler (to call), rappeler (to call back) and renouveler (to renew).

Exceptions: There are some –eler verbs, such as celer (to conceal, to hide), ciseler (to chisel), démanteler (dismantle), geler (to freeze) and harceler (to harass) that don’t undergo the above stem change. Rather, they follow the pattern of –e_er verbs (we’ll go over those below in the fourth section).

3. –eter verbs

For many -er verbs that end in -eter, the stem change undergone is the doubling of the t.

The verb projeter (to project) follows this pattern:

Je projett(I project)

Tu projettes (You project)

Il/Elle projett(He/She projects)

Nous projetons (We project)

Vous projetez (You all project)

Ils/Elles projettent (They project)

Other verbs that follow this pattern are feuilleter (to leaf through), hoqueter (to hiccup), jeter (to throw) and rejeter (to reject).

Exceptions: There are some -eter verbs that don’t follow the pattern of doubling the t are acheter (to buy), fileter (to thread) and haleter (to pant).

4. -e_er verbs

The little “_” indicates one or more consonants. The stem change that takes place entails changing the e before the consonant to è for all forms except for nous (we) and vous (you all).

Let’s take a look at a few examples, shall we?

Acheter (to buy)

J’achète (I buy)

Tu achètes (You buy)

Il/Elle achète (He/She buys)

Nous achetons (We buy)

Vous achetez (You all buy)

Ils/Elles achètent (They buy)

Amener (to take)

J’amène (I take)

Tu amènes (You take)

Il/Elle amène (He/She takes)

Nous amenons (We take)

Vous amenez (You all take)

Ils/Elles amènent (They take)

Peser (to weigh)

Je pèse (I weigh)

Tu pèses (You weigh)

Il/Elle pèse (He/She weighs)

Nous pesons (We weigh)

Vous pesez (You all weigh)

Ils/Elles pèsent (They weigh)

Some other verbs that undergo this stem-change that you’re bound to come across are enlever (to remove), geler (to freeze), lever (to lift, to raise), peler (to peel) and promener (to walk).

5. -é_er verbs

As in the last case, the little “_” stands for a consonant. The stem change that takes place entails changing the é before the consonant to è for all forms except for nous (we) and vous (you all). Sound familiar? Finally, it’s important to note that these stem changes occur in the other tenses like the imperative, and subjunctive.

Let’s take the verb inquiéter (to worry) as an example:

J’inquiète (I worry)

Tu inquiètes (You worry)

Il/Elle inquiète (He/She worries)

Nous inquiétons (We worry)

Vous inquiétez (You all worry)

Ils/Elles inquiètent (They worry)

Some other verbs that undergo this stem change are céder (to cede, to give up), célébrer (to celebrate), éspérer (to hope), gérer (to manage), posséder (to possess), préférer (to prefer), refléter (to reflect), répéter (to repeat) and suggérer (to suggest).

6. -oyer and -uyer verbs

For –er verbs end in -oyer and -uyer alike, the stem change that they undergo in the present tense entails changing the y to an i except in the nous (we) and vous (you all) forms.

Let’s take a look at two examples: the verbs nettoyer (to clean) and appuyer (to press, to lean).

Nettoyer (to clean)

Je nettoie (I clean)

Tu nettoies (You clean)

Il/Elle nettoi(He/She cleans)

Nous nettoyons (We clean)

Vous nettoyez (You all clean)

Ils/Elles nettoient (They clean)

Appuyer (to press, to lean)

J’appuie (I press/lean)

Tu appuies (You press/lean)

Il/Elle appuie (He/She presses/leans)

Nous appuyons (We press/lean)

Vous appuyez (You all press/lean)

Ils/Elles appuient (They press/lean)

Some common -oyer verbs that undergo the same stem change are: broyer (to ground), employer (to employ), envoyer (to send), tutoyer (to use tu) and vouvoyer (to use vous).

Ennuyer (to bore) and essuyer (to wipe) are two common -uyer verbs that undergo the same stem change.

Well, there you have it!

Dealing with the fickle friends is just a matter of keeping ahead of the game.

Learn these six types of French stem-changing verbs, and you’ll always be prepared to conjugate well.

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