The following table also charts the feminine ism al-tafdil pattern فُعْلَى by number and case.
FormNominativeAccusativeGenitivesingularفُعْلَىفُعْلَىفُعْلَىdualفُعْلَيَانِفُعْلَيَيْنِفُعْلَيَيْنِsound feminine pluralفُعْلَيَاتٌفُعْلَيَاتٍفُعْلَيَاتٍbroken pluralفُعْلٌفُعْلًافُعْلٍ
The singular is written the same in all three case states; the dual, sound feminine plural, and broken plural show their respective case endings.