Gerund
Reach for the French gérondif when two actions are happening at the same time by the same subject — 'while doing X' or 'by doing X.' It glues a secondary action onto the main verb without starting a new clause. Use it to describe manner ('he answered laughing'), simultaneity ('she read while eating'), or means ('you learn by practicing'). It's one of the most native-sounding ways to compress two ideas into one sentence.
Structure
en + [PRESENT PARTICIPLE]
en + verb stem + -ant (e.g. en lisant, en faisant, en parlant)
How to Think About It
The gérondif always shares its subject with the main verb. 'En lisant le journal, il a bu son café' means HE was reading and HE drank — same person, two simultaneous actions. The moment the subjects differ, the gérondif breaks and you need a full clause with 'pendant que.' Think of 'en + -ant' as a backpack the subject carries while doing the main action — it can't be handed to someone else mid-sentence.
Examples
En écoutant de la musique, je fais mes devoirs.
en ay-koo-tahn duh lah mew-zeek, zhuh fay may duh-vwahr
While listening to music, I do my homework.
On apprend en pratiquant tous les jours.
ohn ah-prahn ahn prah-tee-kahn too lay zhoor
You learn by practicing every day.
Il est tombé en courant.
eel ay tohn-bay ahn koo-rahn
He fell while running.
Common Mistake
Learners switch subjects between the gérondif and the main verb, copying English 'while she was reading, the phone rang.' In French this needs 'pendant que' because the phone and she are different subjects. The gérondif forces a single subject.
En lisant le journal, le téléphone a sonné.
Pendant qu'il lisait le journal, le téléphone a sonné.
Don't Confuse With
Participe présent (without en)
The participe présent ('lisant') without 'en' acts more like an adjective or relative clause and can have a different subject. The gérondif (en + participe) always shares the subject with the main verb and describes manner or simultaneity.
Pendant que + indicative
Use pendant que when the two actions have different subjects, or when you want to stress duration more than manner. The gérondif is tighter and more idiomatic when one subject is doing both things.
Tout en + gérondif
Adding 'tout' adds a contrastive nuance ('all while...'), often implying a slight contradiction. 'Tout en travaillant beaucoup, il s'amuse' = 'Even while working a lot, he has fun.' Plain 'en' is neutral simultaneity.
Practice
Je travaille ___ écoutant la radio. (gerund of écouter)
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en
Elle a appris le français en ___ (regarder) des films. (give the correct gerund form)
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regardant
Put in order: [il / le journal / a pris / son café / en / lisant]
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Il a pris son café en lisant le journal.
Translate to French: 'She sings while cooking.'
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Elle chante en cuisinant.
Write one sentence describing something you do while doing something else, using the gérondif.
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Example answer: J'apprends de nouveaux mots en regardant des séries en français. (I learn new words while watching French series.)
Hear It in Real Episodes
This pattern appears in 1 Fluentide episode: