Prerequisites: Uses of the Cases, Simple Sentence
Next: Accusative
These are the two simplest cases in their use. The nominative is the case of the subject and of the predicate noun. The vocative is the case of address. Neither takes a preposition and neither is governed by a verb or a preposition, so both are quickly learned. They are nevertheless essential: the nominative is the case that you look for first in every sentence, and the vocative introduces the speaker's voice.
The nominative is the form given in the dictionary. Its endings by declension are on the page Nouns, and the full tables in Paradigms: Nouns.
The nominative is the case of the subject, and the verb agrees with it in person and number:
Gallia est omnis dīvīsa in partēs trēs.
All Gaul is divided into three parts. (Caesar, De Bello Gallico 1.1)
Quam diū etiam furor iste tuus nōs ēlūdet?
How long will that madness of yours still mock us? (Cicero, In Catilinam 1.1; furor is the subject of ēlūdet; iste tuus agree with it)
If no nominative is expressed, the subject is contained in the verb ending (vēnī, I came). A pronoun appears only for emphasis.
A predicate noun or adjective after a linking verb stands in the nominative and agrees with the subject:
| Verb | Meaning | Example |
|---|---|---|
| sum | be | Homō sum. I am a man. |
| fīō | become | Caesar dictātor fit. Caesar becomes dictator. (constructed) |
| maneō | remain | Rōma līberā manet. Rome remains free. (constructed) |
| videor | seem | Rōma magna videtur. Rome seems great. (constructed) |
Homō sum: hūmānī nihil ā mē aliēnum putō.
I am a man: I think nothing human foreign to me. (Terence, Heauton Timorumenos 77; homō is a predicate nominative)
Fuimus Trōes, fuit Īlium.
We Trojans have been, Ilium has been. (Vergil, Aeneid 2.325; Trōes is a predicate nominative with fuimus)
Urbs antīqua fuit.
There was an ancient city. (Vergil, Aeneid 1.12; antīqua is a predicate adjective)
The passive of verbs of naming, making, choosing, thinking and showing keeps a nominative after it, where the active has a second accusative:
| Passive verb | Meaning |
|---|---|
| vocor, appellor, dīcor | I am called |
| creor | I am elected, made |
| putor, habeor | I am thought |
| videor | I seem |
quī ipsōrum linguā Celtae, nostrā Gallī appellantur
who are called Celts in their own language, Gauls in ours. (Caesar, De Bello Gallico 1.1; Celtae and Gallī are predicate nominatives with appellantur)
The passive forms are on the page Indicative passive.
A noun in apposition is in the same case as the noun it explains:
Rōmulus, rēx Rōmānōrum, urbem condidit. (constructed)
Romulus, king of the Romans, founded the city.
Rōmulus and rēx are both nominative.
The nominative also stands without a verb in labels, headings and titles, and in exclamations (where the accusative is also possible):
Senātus populusque Rōmānus.
The Senate and the Roman People. (the formula SPQR)
Ō tempora, ō mōrēs!
Oh, the times! Oh, the customs! (Cicero, In Catilinam 1.2; grammarians take tempora and mōrēs as an exclamatory nominative or accusative)
The vocative is identical with the nominative in every declension, except in the singular of the 2nd declension:
| Type | Nominative | Vocative | Example |
|---|---|---|---|
| 1st declension | -a | -a (same) | Lesbia, Catilīna |
| 2nd declension in -us | -us | -e | dominus → domine; amīcus → amīce; Brūtus → Brūte |
| 2nd declension in -ius | -ius | -ī | fīlius → fīlī; Cornēlius → Cornēlī; Vergilius → Vergilī |
| 2nd declension in -er, -ir | same | same | puer, vir |
| deus | deus | deus (same) | |
| meus | meus | mī | mī amīce |
| neuters | same as nominative | ||
| 3rd, 4th, 5th declension | same as nominative | rēx, mīles | |
| plural (all declensions) | same as nominative | Quirītēs |
Greek names keep Greek forms: for example, Aenēās has the vocative Aenēā.
The vocative is the case of direct address: it names the person or thing spoken to. It stands outside the clause structure and takes no part in agreement with the verb.
Quō ūsque tandem abūtēre, Catilīna, patientiā nostrā?
How long, Catiline, will you abuse our patience? (Cicero, In Catilinam 1.1; Catilīna, 1st declension masculine, nominative form)
Cornēlī, tibi ...
To you, Cornelius ... (Catullus 1.3; Cornēlī is the vocative of Cornēlius)
Lūgēte, ō Venerēs Cupīdinēsque.
Mourn, O Venuses and Cupids. (Catullus 3.1; vocative plural, 3rd declension)
Identify the case, number and function of each form in bold.
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