Declension table of ?kathayiṣyat

Masculine	Singular	Dual	Plural
Nominative	kathayiṣyan	kathayiṣyantau	kathayiṣyantaḥ
Vocative	kathayiṣyan	kathayiṣyantau	kathayiṣyantaḥ
Accusative	kathayiṣyantam	kathayiṣyantau	kathayiṣyataḥ
Instrumental	kathayiṣyatā	kathayiṣyadbhyām	kathayiṣyadbhiḥ
Dative	kathayiṣyate	kathayiṣyadbhyām	kathayiṣyadbhyaḥ
Ablative	kathayiṣyataḥ	kathayiṣyadbhyām	kathayiṣyadbhyaḥ
Genitive	kathayiṣyataḥ	kathayiṣyatoḥ	kathayiṣyatām
Locative	kathayiṣyati	kathayiṣyatoḥ	kathayiṣyatsu

Compound kathayiṣyat -

Adverb -kathayiṣyantam