Declension table of ?pūrvajñāna

Neuter	Singular	Dual	Plural
Nominative	pūrvajñānam	pūrvajñāne	pūrvajñānāni
Vocative	pūrvajñāna	pūrvajñāne	pūrvajñānāni
Accusative	pūrvajñānam	pūrvajñāne	pūrvajñānāni
Instrumental	pūrvajñānena	pūrvajñānābhyām	pūrvajñānaiḥ
Dative	pūrvajñānāya	pūrvajñānābhyām	pūrvajñānebhyaḥ
Ablative	pūrvajñānāt	pūrvajñānābhyām	pūrvajñānebhyaḥ
Genitive	pūrvajñānasya	pūrvajñānayoḥ	pūrvajñānānām
Locative	pūrvajñāne	pūrvajñānayoḥ	pūrvajñāneṣu

Compound pūrvajñāna -

Adverb -pūrvajñānam -pūrvajñānāt