The concept of Grammatical States is the cornerstone of نحو . Without the proper understanding of grammatical states you can end up saying The rat ate the cat when you actually want to say The cat ate the rat. An oft cited example Features In This App:Ibtadai BatenKalma Aur Uski IqsamHaroof Asliya Wa ZaidShashHaft TypeFel Ki Abwab Ka BayanGo To PageIndex