Practicing of the vowel  most commonly spelled "i" is done by reciting a few of the following differences: his versus is, hit versus it, hill versus ill. By not letting the back of their tongue touch the palate, native speakers of Asian languages (Chinese, etc.) can avoid adding a  before the  for example in speaking "yin" instead of "in".
The pronunciation of the vowel "i" is practiced by reciting these distinctions: his versus is, hit versus it, hill versus ill. Native speakers of Asian languages (Chinese, etc.) can avoid adding a glottal stop before the vowel in words like "yin" instead of "in".