was going up, were going up, used to go up, was riding, were riding
Je montais tous les jours dans le Tennessee.
I went up to Tennessee every day.
— Once Upon a Time... in Hollywood (2019)
C'est la première fois que je montais à bord d'un avion.
It was the first time I had ever boarded a plane.
Keith prit mon cheval tandis que je montais les marches en courant.
Keith took my horse while I ran up the steps.
Tu montais les chevaux de Neuville.
You used to ride Neuville's horses.
— Ne le dis à personne (2006)