NUMBER AND CASE
[35] Nouns, Pronouns, Adjectives, and Participles are declined in two Numbers, singular and plural; and in six Cases, nominative, genitive, dative, accusative, ablative, vocative.
[a]
The Nominative is the case of the Subject of a sentence.
[b]
The Genitive may generally be translated by the English Possessive, or by the Objective with the preposition of.
[c]
The Dative is the case of the Indirect Object ( 274). It may usually be translated by the Objective with the preposition to or for.
[d]
The Accusative is the case of the Direct Object of a verb ( 274). It is used also with many of the prepositions.
[e]
The Ablative may usually be translated by the Objective with from, by, with, in, or at. It is often used with prepositions.
[f]
The Vocative is the case of Direct Address.
[g]
All the cases, except the nominative and vocative, are used as objectcases; and are sometimes called Oblique Cases (css oblqu).
[h]
In names of towns and a few other words appear traces of another case (the Locative), denoting the place where: as, Rmae, at Rome; rr, in the country.
NOTE.Still another case, the Instrumental, appears in a few adverbs ( 215. 4).
