How the Four Prefixes Cover All 14 Forms

Introduction to the Present/Future Tense (Fi'l Mudhaari') & its Signs

The distribution now fits the full 14-form grid:

Main useFormsPrefix
I1أ
Haadhir + two feminine Ghaa'ib positions8ت
three masculine Ghaa'ib + plural feminine Ghaa'ib4ي
we1ن

Check: 1 + 8 + 4 + 1 = 14.