ne devrions-nous pas

shouldn't we

→ ne
phrase Rare #41,076
shouldn't we A formal or written way to make a suggestion or ask whether something should be done. The inverted word order is more formal than « nous ne devrions pas » or « on ne devrait pas »; despite the negative form, it often means “should we...?”
FR: Ne devrions-nous pas commencer maintenant ?
EN: Shouldn't we start now?

Ne devrions-nous pas retourner?

Shouldn't we go back?

— Princesse Mononoké (1997)

Eh bien, Tom, ne devrions-nous pas le dire à Mary?

Well, Tom, shouldn't we tell Mary?

Ne devrions-nous pas dire quelque chose?

Shouldn't we say something?

Peut-être ne devrions-nous pas parler de ceci ici.

Maybe we shouldn't talk about this here.

Ne devrions-nous pas reporter ceci?

Shouldn't we postpone this?