In Arabic, do you say مبنيّ or مبنيّة for "indeclinable"? Well, you can use both: masculine or feminine. Here is why.
Sibawayhi's book al-Kitab was the first formal and analytical Arabic grammar. It is a groundbreaking work. Some background
This three-part series of articles is designed to get the trouble out of the way once and for all. Part three is about the Fa' (ف) and the tenses.
This three-part series of articles is designed to get the trouble out of the way once and for all. Part two is about the conditional words (mainly إن and إذا).
Reading grammar books in Arabic can be challenging if you cannot decode the language of the grammarians (i'rab إعراب). But there is a formula.
The question of the wasp or hornet - Masʾalat al-Zunbur (مَسْأَلة الزُّنْبُور) - caused Sibawayhi, the most famous Arabic grammarian, to die of anger.
Hayya حَيَّ is used in the call of the Muezzin: Come to prayer! حَيَّ عَلَى الصَّلاةِ. It is a special word type: a Ism al-Fial (اسم فعل).