You've said "il y a" since your first week of French. You've probably groaned "j'en ai marre" at a slow metro. Those two little words buried in the middle, the y and the en, are the same pronouns that wreck your sentences the moment you try to build your own. You already use them. You just don't notice them, so when you go off-script, you leave them out.
Here's the whole problem in one exchange. Someone offers you coffee: "Tu veux du café?" You want to say "Yes, I'd like some." So you say "Oui, je veux." To a French ear, that sentence sounds like a word fell out of it. The word that fell out is en: "Oui, j'en veux." French won't let you leave the hole that English happily leaves.
Why your English brain deletes them
"Do you want some cake?" "Yes!" In English the "some cake" just evaporates and nobody blinks. "How many siblings do you have?" "Three." You don't repeat "siblings," you don't even gesture at it. The object is optional once it's understood.
French closes that escape hatch. When the thing is understood, English deletes it; French replaces it with a pronoun and keeps going. "Tu veux du café?" "Oui, j'en veux." "Tu vas à Paris?" "Oui, j'y vais." The pronoun is doing the job your English instinct wants to skip entirely.
This is why y and en feel impossible at first. It isn't that the rule is complicated. It's that nothing in English maps onto them, so your brain has no slot to drop them into. You can't translate your way to them. You have to learn the reflex.
You already know them: the frozen phrases
Before any rule, look at the French you can already say without thinking:
- il y a: "there is / there are" (and "ago": "il y a un an", a year ago)
- ça y est: "that's it / done / here we go"
- on y va / allons-y: "let's go"
- j'en ai marre: "I'm fed up"
- je m'en vais: "I'm off / I'm leaving"
The y and the en are sitting right there in phrases you've used for months. You learned each one whole, like a single word, which is exactly why they never tripped you. The goal isn't to memorize a grammar table. It's to pull the rule back out of the phrases you already own.
En = "de + something" (and "some," and the number)
Start with en. It stands in for "de + something."
When a verb takes de, the de-phrase collapses into en. "Je bois de l'eau" becomes "J'en bois." "Il est fier de son succès" becomes "Il en est fier." Anywhere you'd say "of it" or "about it" in English, French is probably reaching for en (FrenchToday).
It also covers the partitive "some." "Tu veux du café?" "Oui, j'en veux." There's no separate word for "some" floating at the end the way English does it. The "some" is the en. (That "du" in du café is itself de fused with a gendered article, the le-or-la guessing game you've already met.)
Now the one that catches everyone. Answer "How many?" and French makes you keep en, even with the number sitting right there. "J'ai trois chats" becomes "J'en ai trois." Not "J'ai trois." In English, "How many cats do you have?" gets a clean "Three." In French, "Combien de chats as-tu?" gets "J'en ai trois," literally "I have three of-them." Drop the en and you've left the same hole as before (Lingolia). "J'ai trois" is the single most common beginner tell on this whole topic.
Y = "à + somewhere" (and "à + something")
En handles de. Y handles à.
Most often that's à plus a place. "Je vais à Paris" becomes "J'y vais." "Tu vas à l'école?" "Oui, j'y vais." "Je vais au Japon" becomes "J'y vais." One small word swallows the whole "to such-and-such place," and it lands as plain "there" in English (Collins).
It also covers à plus a thing, which is where verbs like penser à (to think about) and répondre à (to answer) live. "Je pense à mon travail" becomes "J'y pense." "Elle répond à la question" becomes "Elle y répond." "Tu penses à ton examen?" "Oui, j'y pense souvent" (Kwiziq).
One honest limit: y and en are for things and places, not people. "I'm thinking about my work" is "j'y pense," but "I'm thinking about my mother" reaches for a different pronoun. For now, keep y and en pointed at objects and locations and you'll be right the vast majority of the time.
Try it in Conversa
Practice with AI characters who adapt to your level and give real-time feedback.
Try Conversa FreeWhere y and en go: in front of the verb, always
Here's the placement that trips up English speakers more than the meaning ever does. Y and en go before the conjugated verb, not after it.
"J'y vais." Never "je vais y." "J'en veux." Never "je veux en." Your English instinct wants to tack the little word onto the end, the way "there" or "some" trails along in English. French puts it in front and welds it to the verb (Lawless French). If you catch yourself reaching for the end of the sentence, stop and move it up front. In a compound tense like the passé composé, they slot in front of the auxiliary: "J'y suis allé," "J'en ai pris."
There's exactly one place this flips: affirmative commands. Tell someone to go and the pronoun hops behind the verb with a hyphen. "Vas-y!" (go on / go for it). "Prends-en!" (take some). "Penses-y!" (think about it). And notice the extra s in "vas-y": the command "va" normally has no s, but French adds one back so the words slide together instead of colliding on two vowels (Lawless French). Outside of commands, though, the rule is dead simple: front of the verb.
Putting it together
Both pronouns can show up in the same breath. "Il y en a trois" means "there are three of them," and it stacks the y from "il y a" with the quantity en you just learned. You've been halfway to that sentence since week one.
Try a quick exchange and watch where the pronouns land:
"Tu veux du gâteau?" (Do you want some cake?) "Oui, j'en veux." (Yes, I want some.) "Il en reste deux parts. Tu vas à la cuisine?" (There are two slices left. Are you going to the kitchen?) "J'y vais!" (I'm going!)
No floating "some," no trailing "there." The pronoun does the work and it does it up front.
The fix here isn't a rule to drill. It's a habit swap. Stop translating "I want some" and "I'm going there" word by word, because the English word you're chasing doesn't exist in French. Reach instead for the phrase you already own: the en in "j'en ai marre," the y in "on y va." When you practice this out loud, with a patient human or with an AI conversation partner like Conversa that lets you stumble through "j'en veux" twenty times without judging you, the reflex builds fast. The phrases were already in your mouth. You're just learning to take them apart.
