longtempsa long timeUsages of longtempsIls y ont pensé depuis longtemps, et ils vont en parler à leurs amis.They have been thinking about it for a long time, and they are going to talk about it to their friends.Elon.io is an online learning platformWe have an entire course teaching French grammar and vocabulary.Start learning French nowYour questions are stored by us to improve Elon.ioYou've reached your AI usage limitSign up to increase your limit.