Pronunciation Tip 101 Pronunciation Tip, we are going to teach you an exercise to control your tongue. With the English language your tongue must be able to move to the front of and even outside of your mouth. This exercise will help you to get better control of your R and L sounds. Here is what you do: Place the tip of your tongue against the back of your bottom front teeth. Without moving your tongue, say the vowels A, E, I, O, U. Remember not to move your tongue during the exercise. The vowels will not sound correct and that is okay. That is the way it is suppose to work. Practice this exercise whenever you can. The more you practice, the more naturally your tongue with move to the front of your mouth. Practice, Practice, Practice!!!!! :)