What is a prepositional case?

It is also called a dative case..represented by dat or d ..it indicates that noun to whom something is given..like she gave Jess a book.. here Jess is dat or prepositional case..

Prepositional case is a grammatical case that marks the object of a preposition. This term can be used in languages where nouns have a declensional form that appears exclusively in combination with certain prepositions.

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