Declension table of ?posayiṣyat

Masculine	Singular	Dual	Plural
Nominative	posayiṣyan	posayiṣyantau	posayiṣyantaḥ
Vocative	posayiṣyan	posayiṣyantau	posayiṣyantaḥ
Accusative	posayiṣyantam	posayiṣyantau	posayiṣyataḥ
Instrumental	posayiṣyatā	posayiṣyadbhyām	posayiṣyadbhiḥ
Dative	posayiṣyate	posayiṣyadbhyām	posayiṣyadbhyaḥ
Ablative	posayiṣyataḥ	posayiṣyadbhyām	posayiṣyadbhyaḥ
Genitive	posayiṣyataḥ	posayiṣyatoḥ	posayiṣyatām
Locative	posayiṣyati	posayiṣyatoḥ	posayiṣyatsu

Compound posayiṣyat -

Adverb -posayiṣyantam