Declension table of ?yāmayiṣyat

Masculine	Singular	Dual	Plural
Nominative	yāmayiṣyan	yāmayiṣyantau	yāmayiṣyantaḥ
Vocative	yāmayiṣyan	yāmayiṣyantau	yāmayiṣyantaḥ
Accusative	yāmayiṣyantam	yāmayiṣyantau	yāmayiṣyataḥ
Instrumental	yāmayiṣyatā	yāmayiṣyadbhyām	yāmayiṣyadbhiḥ
Dative	yāmayiṣyate	yāmayiṣyadbhyām	yāmayiṣyadbhyaḥ
Ablative	yāmayiṣyataḥ	yāmayiṣyadbhyām	yāmayiṣyadbhyaḥ
Genitive	yāmayiṣyataḥ	yāmayiṣyatoḥ	yāmayiṣyatām
Locative	yāmayiṣyati	yāmayiṣyatoḥ	yāmayiṣyatsu

Compound yāmayiṣyat -

Adverb -yāmayiṣyantam