How to write f in the pinyin grid:
Below the center line, the upper square is not on top of the line, and the middle square must be full.
All pinyin written within four lines and three spaces::
1. Pinyin classification:
24 finals:
Single 6 finals: a o e i u ü
9 compound finals: ai ei ui ao ou iu ie ue er
5 nasal finals: an en in un ün
Four back nasal vowels: ang eng ing ong
Overall pronunciation: zhi chi shi ri zi ci si yi wu yu ye yue yuan yin yun ying (whole pronunciation is different from incomplete pronunciation)< /p>
23 initial consonants:
b p m f d t n l g k h j q x zh ch sh r z c s y w
2. Writing formula: