5. (a) The mouth is wide open.
(b) Put the blade of the tongue on the teeth ridge.
(c) Push the air through the mouth very quickly so that the strong friction is heard.
(d) Practise the exercise several times alternating strong and weak friction.
6. (a) The mouth is wide open.
(b) Put the tip of the tongue to the inner side of the upper teeth
(see Fig. 13, b). ■(c) Now press the tip to the teeth ridge (see Fig. 15).
(d) Then press the tip of the tongue to the back of the teeth ridge.
(e) Come back to the (b)-position, with the tip of the tongue against the inner side of the upper teeth.
(f) Continue practising the exercise counting "three" (positions c,
d, b). Use the mirror. Be careful to do the exercise only with the tip of the tongue.
7. (a) The mouth is wide open.
(b) Put the tip of the tongue on the teeth ridge.
(c) Beat the tip of the tongue against the teeth ridge.
(d) Practise the exercise several times.
8. (a) The mouth is wide open.
(b) Hit the tip of the tongue against the left cheek.
(c) Now hit the tip of the tongue against the right cheek.
(d) Continue doing the exercise counting "two" (positions b, c).
9. (a) The mouth is wide open.
(b) Put the tip of the tongue against the teeth ridge.
(c) Now place the tip of the tongue against the lower teeth.
(d) Hit the tip against the right cheek.
(e) Now hit the tongue-tip against the left cheek.
(f) Alternate the positions counting "four" (positions b, c, d, e).
10. (a) The mouth is wide open.
(b) Show your tongue a little and say "Ah".
(c) Now draw the tongue back horizontally and say "Ah" again.
(d) Alternate these horizontal movements of the tongue counting "two" (positions b, c).
11. (a) The mouth is wide open.
(b ) Now say |a], with the tip of the tongue pressed to the lower teeth.
(c) Then say (è]. The position of the tip of the tongue is the same. The separation of the jaws is smaller. Mind the vertical movement of the tongue.
(d) Alternate these vertical positions of the tongue counting "two" (positions b, c).