The secret to a perfect French R is your tongue position 1- Step one: press your tongue all the way against the roof of your mouth. 2- Step two: lower only the tip of your tongue and press it hard against your bottom front teeth. Your tongue will form like a curvy slide. Now open your mouth and create a vibration in your throat. Learn the French pronunciation rules and speak French with a real French accent https://www.frenchtoday.com/learn-french/french-audio-lessons/secrets-of-french-pronuncia