would you do
Ne le ferais-tu pas, parce qu'il le dit ?
Wouldn't you do it because he says so?
Pourquoi ferais-tu cela sans nous le dire ?
Why would you do that without telling us?
Me ferais-tu l'honneur de devenir ma femme ?
Would you do me the honor of becoming my wife?
Le pourrais-tu, le ferais-tu ?
Could you do it? Would you do it?