Declension table of ?keviṣyat

Masculine	Singular	Dual	Plural
Nominative	keviṣyan	keviṣyantau	keviṣyantaḥ
Vocative	keviṣyan	keviṣyantau	keviṣyantaḥ
Accusative	keviṣyantam	keviṣyantau	keviṣyataḥ
Instrumental	keviṣyatā	keviṣyadbhyām	keviṣyadbhiḥ
Dative	keviṣyate	keviṣyadbhyām	keviṣyadbhyaḥ
Ablative	keviṣyataḥ	keviṣyadbhyām	keviṣyadbhyaḥ
Genitive	keviṣyataḥ	keviṣyatoḥ	keviṣyatām
Locative	keviṣyati	keviṣyatoḥ	keviṣyatsu

Compound keviṣyat -

Adverb -keviṣyantam