spoke, were speaking
Nous lui parlions au téléphone.
We were talking to him on the phone.
De quoi parlions-nous à midi ?
What were we talking about at noon?
— Guerre et Paix (1968)
Oh si, nous lui parlions, mon précieux.
Oh yes, we were talking to him, my precious.
— Le Hobbit : Un voyage inattendu (2012)
Ton père et moi parlions souvent de ce jour.
Your father and I often talked about that day.
— Black Panther (2018)
De quoi parlions-nous ?
What were we talking about?