si j'avais su
If I'd known the truth, I'd have told you.
Si j’avais connu la vérité, je te l’aurais dit.
I wouldn't have sung that song if I'd known it would make Tom cry.
Je n’aurais pas chanté cette chanson si j’avais su qu’elle ferait pleurer Tom.
I would've told you if I'd known.
Je te l’aurais dit si je l’avais su.
If I'd known that, I wouldn't have come.
Si je l'avais su, je ne serais pas venu(e).
If I'd known it, I'd have told you.
Si je l'avais su, je te l'aurais dit.
If I'd known, I would've told you.
Si je l'avais su, je te l'aurais dit.
If I'd known, would I have done it?
Si je l’avais su, est-ce que je l’aurais fait ?
— Assassination (2015)
If I'd known you were ill, I would've visited you in hospital.
Si j'avais su que tu étais malade, je t'aurais rendu visite à l'hôpital.