I would have drowned
Si tu ne m'avais pas aidé, je me serais noyé.
If you hadn't helped me, I would have drowned.
Je me serais noyé si tu ne m'avais pas sauvé.
I would have drowned if you hadn't saved me.
Sans l'aide de mon frère, je me serais noyé.
Without my brother's help, I would have drowned.
Mon frère ne m'eût-il pas aidé, je me serais noyé.
Had my brother not helped me, I would have drowned.
Sans ton aide, je me serais noyé.
Without your help, I would have drowned.