Adjective Morphology - Master
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2-1-2 adjectives
bonus, bona, bonum - good
Singular
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
bon-us |
bon-a |
bon-um |
| Genitive |
bon-ī |
bon-ae |
bon-ī |
| Dative |
bon-ō |
bon-ae |
bon-ō |
| Accusative |
bon-um |
bon-am |
bon-um |
| Ablative |
bon-ō |
bon-ā |
bon-ō |
Plural
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
bon-ī |
bon-ae |
bon-a |
| Genitive |
bon-ōrum |
bon-ārum |
bon-ōrum |
| Dative |
bon-īs |
bon-īs |
bon-īs |
| Accusative |
bon-ōs |
bon-ās |
bon-a |
| Ablative |
bon-īs |
bon-īs |
bon-īs |
pulcher, pulchra, pulchrum - beautiful, handsome
Singular
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
pulcher |
pulchr-a |
pulchr-um |
| Genitive |
pulchr-ī |
pulchr-ae |
pulchr-ī |
| Dative |
pulchr-ō |
pulchr-ae |
pulchr-ō |
| Accusative |
pulchr-um |
pulchr-am |
pulchr-um |
| Ablative |
pulchr-ō |
pulchr-ā |
pulchr-ō |
Plural
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
pulchr-ī |
pulchr-ae |
pulchr-a |
| Genitive |
pulchr-ōrum |
pulchr-ārum |
pulchr-ōrum |
| Dative |
pulchr-īs |
pulchr-īs |
pulchr-īs |
| Accusative |
pulchr-ōs |
pulchr-ās |
pulchr-a |
| Ablative |
pulchr-īs |
pulchr-īs |
pulchr-īs |
2-1-2 - īus adjectives
nullus, nulla, nullum - no, none
Singular
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
null-us* |
null-a |
null-um** |
| Genitive |
null-īus |
null-īus |
null-īus |
| Dative |
null-ī |
null-ī |
null-ī |
| Accusative |
null-um |
null-am |
null-um |
| Ablative |
null-ō |
null-ā |
null-ō |
* Some masculine nominative singulars of -īus adjectives end in -r (e.g., alter, altera, alterum).
** Some neuter nominative singulars of -īus adjectives end in -d (e.g., alius, alia, aliud).
Plural
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
null-ī |
null-ae |
null-a |
| Genitive |
null-ōrum |
null-ārum |
null-ōrum |
| Dative |
null-īs |
null-īs |
null-īs |
| Accusative |
null-ōs |
null-ās |
null-a |
| Ablative |
null-īs |
null-īs |
null-īs |
Three-Termination Adjectives
ācer, ācris, ācre - keen, sharp
Singular
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
ācer |
ācr-is |
ācr-e |
| Genitive |
ācr-is |
ācr-is |
ācr-is |
| Dative |
ācr-ī |
ācr-ī |
ācr-ī |
| Accusative |
ācr-em |
ācr-em |
ācr-e |
| Ablative |
ācr-ī |
ācr-ī |
ācr-ī |
Plural
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
ācr-ēs |
ācr-ēs |
ācr-ia |
| Genitive |
ācr-ium |
ācr-ium |
ācr-ium |
| Dative |
ācr-ibus |
ācr-ibus |
ācr-ibus |
| Accusative |
ācr-ēs |
ācr-ēs |
ācr-ia |
| Ablative |
ācr-ibus |
ācr-ibus |
ācr-ibus |
Two-Termination Adjectives
fortis, forte - strong, brave
Singular
| Case |
M./F. |
Neuter |
| Nominative |
fort-is |
fort-e |
| Genitive |
fort-is |
fort-is |
| Dative |
fort-ī |
fort-ī |
| Accusative |
fort-em |
fort-e |
| Ablative |
fort-ī |
fort-ī |
Plural
| Case |
M./F. |
Neuter |
| Nominative |
fort-ēs |
fort-ia |
| Genitive |
fort-ium |
fort-ium |
| Dative |
fort-ibus |
fort-ibus |
| Accusative |
fort-ēs |
fort-ia |
| Ablative |
fort-ibus |
fort-ibus |
One-Termination Adjectives
sapiēns, sapientis - wise
Singular
| Case |
M./F. |
Neuter |
| Nominative |
sapiēns |
sapiēns |
| Genitive |
sapient-is |
sapient-is |
| Dative |
sapient-ī |
sapient-ī |
| Accusative |
sapient-em |
sapiēns* |
| Ablative |
sapient-ī |
sapient-ī |
* The accusative forms of all neuter nouns, adjectives, and pronouns exactly match their nominative counterparts within the same number (e.g., neuter accusative singular = neuter nominative singular).
Plural
| Case |
M./F. |
Neuter |
| Nominative |
sapient-ēs |
sapient-ia |
| Genitive |
sapient-ium |
sapient-ium |
| Dative |
sapient-ibus |
sapient-ibus |
| Accusative |
sapient-ēs |
sapient-ia |
| Ablative |
sapient-ibus |
sapient-ibus |
Interrogative
quī, quae, quod - which? what?
Singular
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
quī |
quae |
quod |
| Genitive |
cuius |
cuius |
cuius |
| Dative |
cui |
cui |
cui |
| Accusative |
quem |
quam |
quod |
| Ablative |
quō |
quā |
quō |
Plural
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
quī |
quae |
quae |
| Genitive |
quōrum |
quārum |
quōrum |
| Dative |
quibus |
quibus |
quibus |
| Accusative |
quōs |
quās |
quae |
| Ablative |
quibus |
quibus |
quibus |
Declinable Numerals
ūnus, -a, -um - one
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
ūnus |
ūna |
ūnum |
| Genitive |
ūnīus |
ūnīus |
ūnīus |
| Dative |
ūnī |
ūnī |
ūnī |
| Accusative |
ūnum |
ūnam |
ūnum |
| Ablative |
ūnō |
ūnā |
ūnō |
duo, duae, duo - two
| Case |
Masculine |
Feminine |
Neuter |
| Nominative |
duo |
duae |
duo |
| Genitive |
duōrum |
duārum |
duōrum |
| Dative |
duōbus |
duābus |
duōbus |
| Accusative |
duōs |
duās |
duo |
| Ablative |
duōbus |
duābus |
duōbus |
trēs, tria - three
| Case |
M./F. |
Neuter |
| Nominative |
trēs |
tria |
| Genitive |
trium |
trium |
| Dative |
tribus |
tribus |
| Accusative |
trēs |
tria |
| Ablative |
tribus |
tribus |
