Declension table of ?yāsayiṣyat

Masculine	Singular	Dual	Plural
Nominative	yāsayiṣyan	yāsayiṣyantau	yāsayiṣyantaḥ
Vocative	yāsayiṣyan	yāsayiṣyantau	yāsayiṣyantaḥ
Accusative	yāsayiṣyantam	yāsayiṣyantau	yāsayiṣyataḥ
Instrumental	yāsayiṣyatā	yāsayiṣyadbhyām	yāsayiṣyadbhiḥ
Dative	yāsayiṣyate	yāsayiṣyadbhyām	yāsayiṣyadbhyaḥ
Ablative	yāsayiṣyataḥ	yāsayiṣyadbhyām	yāsayiṣyadbhyaḥ
Genitive	yāsayiṣyataḥ	yāsayiṣyatoḥ	yāsayiṣyatām
Locative	yāsayiṣyati	yāsayiṣyatoḥ	yāsayiṣyatsu

Compound yāsayiṣyat -

Adverb -yāsayiṣyantam