He used his knowledge as an instrumental case to solve the problem.

He made a sentence using the instrumental case.

In Latin, the ablative case is mainly used to indicate direction, origin, and separation.

His name is used in the genitive case.

There is no vocative case in Japanese.

In Japanese grammar, the adnominal case is the form where nouns or pronouns modify other nouns.

The absolutive case is a grammatical case that can represent both the subject and the object.

I am studying for the Japanese Language Proficiency Test next year.

I'm sorry, but I don't speak Japanese.

This cable-stayed bridge is famous for its beautiful design.