The affix laṭ (Present Tense) is optionally used after a root with the force of the futurity when it has in construction with it the adverbs kadā and karhi,
As कदा भुङ्क्ते 'when will he eat', or कदा भोक्ष्यते or भोक्ता; so also कर्हिभुङ्क्ते or भोक्ष्यते or भोक्ता 'when will he eat'.,