OF TWO ENDINGS.
[630]. Adjectives ‘of two endings’ with stems in -i- are declined as follows:
| Example Stem | M. and F. brevis, Ne. breve,short brevi-. | |||
|---|---|---|---|---|
| Singular. | Plural. | |||
| Masc. and Fem. | Neut. | Masc. and Fem. | Neut. | |
| Nom. | brevis | breve | brevēs | brevia |
| Gen. | brevis | brevis | brevium | brevium |
| Dat. | brevī | brevī | brevibus | brevibus |
| Acc. | brevem | breve | brevīs, -ēs | brevia |
| Abl. | brevī | brevī | brevibus | brevibus |
[631]. The ablative is sometimes -e when these adjectives are used substantively or in verse ([558]). The genitive plural is rarely -um for -ium ([563]).
OF ONE ENDING.
[632]. Most adjectives ‘of one ending’ have a consonant form of the stem in the singular, except usually in the ablative ([633]), and an -i- stem in the plural; they are declined as follows:
| Examples Stems | M. F. and Ne. audāx,bold, audāc(i)- | M. F. Ne. regēns,ruling, regent(i)- | ||
|---|---|---|---|---|
| Singular | Masc. & Fem. | Neut. | Masc. & Fem. | Neut. |
| Nom. | audāx | audāx | regēns | regēns |
| Gen. | audācis | audācis | regentis | regentis |
| Dat. | audācī | audācī | regentī | regentī |
| Acc. | audācem | audāx | regentem | regēns |
| Abl. | audācī | audācī | regente, -ī | regente, -ī |
| Plural | Masc. & Fem. | Neut. | Masc. & Fem. | Neut. |
| Nom. | audācēs | audācia | regentēs | regentia |
| Gen. | audācium | audācium | regentium | regentium |
| Dat. | audācibus | audācibus | regentibus | regentibus |
| Acc. | audācīs, -ēs | audācia | regentīs, -ēs | regentia |
| Abl. | audācibus | audācibus | regentibus | regentibus |
[633]. Present participles have -ī in the ablative, when they are used as adjectives, otherwise -e ([560]). For -ī or -e in other words, see [559], [561]. For -ium or -um in the genitive plural, [563].
[634]. Most adjectives ‘of one ending’ in -i- are declined as above ([632]); some of them have peculiarities in some of their cases, as follows:
[635]. (1.) trux ([531]), savage, has Ab. -ī or -e, G. Pl. -ium, no Ne. Pl. N. or Ac. redux ([531]), returning, has Ab. -ī or -e, no G. Pl. or Ne. Pl. N. or Ac. hebes, dull, teres, cylindrical ([533]), and compounds of caput, head, as anceps, ([533]), two-headed, have Ab. -ī, no G. Pl.; a Ne. Pl. N. or Ac. -ia is rare. For locuplēs, rich, see [533].