Which one should you use?
Tiens-moi au courant très vite emphasizes keeping someone posted very quickly, while Dis-moi tout de suite is more direct, meaning 'tell me right away'. Préviens-moi ASAP can be used to ask for a heads-up.
Is there a formal and an informal way to say it?
For a formal setting, use Prière de me tenir informé(e) dans les meilleurs délais to say 'Please inform me as soon as possible'. In informal or casual settings, you might use Tiens-moi au courant très vite, Dis-moi tout de suite or Préviens-moi ASAP. Among friends, the slangy, colloquial phrase tiens-moi au jus is also used to mean 'keep me posted' or 'let me know'.
How does it change in a sentence?
The phrase dès que possible is the standard way to express 'as soon as possible' in French.
Did you know?
- If you use the slang tiens-moi au jus to mean 'let me know', you are literally telling someone to 'keep me in the juice'.
- In highly formal French administration, dans les meilleurs délais is preferred over dès que possible because it implies a professional standard of efficiency rather than just speed.
- The word courant in tiens-moi au courant comes from the verb courir, meaning 'to run'. It evokes the image of information flowing or running like a current of water.
Examples in context
- Tiens-moi au courant très vite si tu veux aller au cinéma ce soirKeep me posted quickly if you want to go to the movies tonight
- Si tu as des nouvelles, tiens-moi au courant dès que possible.If you have any news, let me know as soon as possible.
- Tiens-moi au courant dès que possible pour le rendez-vous.Let me know as soon as possible about the appointment.
Example conversation
Gabriel and Manon are discussing a project deadline.
- GabrielAs-tu fini le rapport pour demain ?Have you finished the report for tomorrow?
- ManonJe termine les dernières pages maintenant.I am finishing the last pages now.
- GabrielD'accord, tiens-moi au courant dès que possible.Okay, let me know as soon as possible.
- ManonJe t'envoie ça dans dix minutes.I will send it to you in ten minutes.
Sources
- Word origins: Wiktionary entries courant, dès, possible, que, CC BY-SA 4.0.