Declension table of ?hayiṣyat

Masculine	Singular	Dual	Plural
Nominative	hayiṣyan	hayiṣyantau	hayiṣyantaḥ
Vocative	hayiṣyan	hayiṣyantau	hayiṣyantaḥ
Accusative	hayiṣyantam	hayiṣyantau	hayiṣyataḥ
Instrumental	hayiṣyatā	hayiṣyadbhyām	hayiṣyadbhiḥ
Dative	hayiṣyate	hayiṣyadbhyām	hayiṣyadbhyaḥ
Ablative	hayiṣyataḥ	hayiṣyadbhyām	hayiṣyadbhyaḥ
Genitive	hayiṣyataḥ	hayiṣyatoḥ	hayiṣyatām
Locative	hayiṣyati	hayiṣyatoḥ	hayiṣyatsu

Compound hayiṣyat -

Adverb -hayiṣyantam