1.(a) Take a mirror, turn your back to the light, open the mouth
wide, keep the tongue as low as possible and say "Ah", as if the doctor wanted to examine your throat. Mind that the soft palate is raised closing the nasal cavity. The air stream goes through the mouth.
(b) Keeping the mouth in this position breathe in and out through the mouth.
(c) Alternate the air effort while breathing out now making it strong now very slight.
2. (a) The mouth is wide open.
(b) Now push the air through the nose. You will see and feel a contact between the tongue and the soft palate which is lowered now and closes the mouth cavity. The air goes through the nose.
(c) Go on breathing in and out through the nose with your mouth open.
3. (a) Press the lips together and push the air through the nose.
The soft palate now is lowered letting the air into the nasal cavity.
(b) Breathe in and out through the nose with your lips pressed.
(c) Now pronounce the sound [ė], keeping the lips pressed together.
Part Two ===