je supporterais

would put up with, would tolerate, would stand

→ supporter
support to stand, to tolerate, to put up with + er Infinitive + ais Conditional: I/you form
verb · 1st-person singular / 2nd-person singular Rare #44,497
would put up with, would tolerate, would stand In this sense, supporter means to endure or tolerate something, not to provide support.
FR: Je ne supporterais pas ce bruit toute la journée.
EN: I wouldn't put up with this noise all day.
Conjugation of supporter
Conditional
SingularPlural
First supporterais —
Second supporterais —

Je ne supporterais pas de vous perdre une seconde fois.

I couldn't bear to lose you a second time.

— Star Trek III : À la recherche de Spock (1984)

Je ne sais pas si je supporterais un refus.

I don't know if I could handle being rejected.

— Retour vers le futur (1985)

Je ne supporterais pas un autre banquet.

I couldn't bear another banquet.

— Garçon d'honneur (1993)

Je ne le supporterais pas.

I couldn't stand it.

— Control (2007)

Tu la supporterais ?

Could you put up with her?

— Ouvre les yeux (1997)