if I had known

If I had known your email address, I would've written.

Si j’avais connu ton adresse e-mail, je t’aurais écrit.

If I had known that you were here, I would have come at once.

Si j’avais su que tu étais là, je serais venu(e) tout de suite.

If I had known, I would've slowed down!

Si je l'avais su, j'aurais ralenti !

— Taxi (1998)

If I had known he was that easy to get rid of.

Si j'avais su qu'il était si facile à éliminer.

— Now You See Me: Now You Don't (2025)

If I had known, we should have captured them before they escaped.

Si j'avais su, nous les aurions capturés avant qu'ils ne s'échappent.

— The Age of Shadows (2016)

If I had known that, I wouldn't have come.

Si je l’avais su, je ne serais pas venu(e).

If I had known how to do it, I would've done it myself.

Si j'avais su comment faire, je l'aurais fait moi-même.

If I had known, I would have told you.

Si je l'avais su, je te l'aurais dit.

When you asked if I had known love.

Quand tu m'as demandé si j'avais connu l'amour.

— Portrait of a Lady on Fire (2019)