Declension table of ?śāpayiṣyat

Masculine	Singular	Dual	Plural
Nominative	śāpayiṣyan	śāpayiṣyantau	śāpayiṣyantaḥ
Vocative	śāpayiṣyan	śāpayiṣyantau	śāpayiṣyantaḥ
Accusative	śāpayiṣyantam	śāpayiṣyantau	śāpayiṣyataḥ
Instrumental	śāpayiṣyatā	śāpayiṣyadbhyām	śāpayiṣyadbhiḥ
Dative	śāpayiṣyate	śāpayiṣyadbhyām	śāpayiṣyadbhyaḥ
Ablative	śāpayiṣyataḥ	śāpayiṣyadbhyām	śāpayiṣyadbhyaḥ
Genitive	śāpayiṣyataḥ	śāpayiṣyatoḥ	śāpayiṣyatām
Locative	śāpayiṣyati	śāpayiṣyatoḥ	śāpayiṣyatsu

Compound śāpayiṣyat -

Adverb -śāpayiṣyantam