we didn't … him/her/it
But we didn't.
C'est depuis San Francisco qu'on ne l'a pas vue.
We haven't seen her since San Francisco.
— Diva (1981)
We didn't find out until the day before yesterday.
No, we didn't.
Il est évident que l'on ne l'a pas utilisé auparavant.
It is obvious that it has not been used before.
On ne l'a pas engagé, c'est une vraie fan.
They didn't hire him; she's a real fan.
— God of Cookery (1996)