il oserait

would dare

→ oser
oser to dare, to have the nerve to + ait 3rd-person singular conditional
verb · 3rd-person singular Rare #46,541
would dare Used with an infinitive or on its own when the action is clear from context.
FR: Il oserait lui parler.
EN: He would dare to talk to her.
Conjugation of oser
Conditional
SingularPlural
First oserais —
Second oserais —
Third oserait —

Qui oserait se marier avec elle ?

Who would dare marry her?

— Les 3 Royaumes (2008)

Qui oserait faire une telle chose ?

Who would dare to do such a thing?

Elle oserait te le demander ?

Would she dare ask you that?

— Une fiancée pas comme les autres (2007)

Qui oserait soutenir le contraire ?

Who would dare to argue otherwise?

Qui oserait ?

Who would dare?

— Gladiator (2000)