§ 26. The _singular_ and _plural_ are used as in
English. The _dual_ denotes two or a pair; it is comparatively
rare, and never occurs in the New Testament.

§ 27. The _cases_ express the relations of words to each other
in a sentence, as follows:--

Name. Use. Equivalent.
Nominative. Subject of a finite verb. (Simple form.)
Genitive. Origin or ownership. _From, of,_ etc.
Dative. Position or manner. _In, by, for, to,_ etc.
Accusative. Direction or object. _Toward, into,_ etc.
Vocative. Address. _O!_

§ 28. The following are the terminations of the _First
Declension_:--

Singular. Cases. Plural.
_Masc._ _Fem._ _Masc. and Fem._
ας or ης α or η Nominative. αι
ον ας or ης Genitive. ῶν
ᾳ or η Dative. αις
αν or ην Accusative. ας
α or η Vocative. αι

_Dual._ Nom., Acc., Voc., α; Gen., Dat., αιν.

§ 29. The α in the terminations of the singular is mostly used when
ρ, ε,or ι precedes it; and in the Nom., Acc., and Voc. when λ or