Overview

The nominative case is a grammatical case used to indicate the subject of a finite clause: the noun or pronoun that performs the action or that the verb describes. In simple terms, it answers the question "who" or "what" before the verb. Many languages with overt case marking assign a specific nominative form to subjects, while languages like modern English rely mostly on word order and have limited case distinctions.

Forms and marking

How nominative is expressed varies widely. In some languages a distinct ending is attached to nouns or adjectives to mark the nominative; in others the difference appears only on pronouns. Some key patterns include:

  • Overt morphological endings on nouns and adjectives (common in many Slavic, Baltic, and some Indo-European languages).
  • Pronoun contrast: English retains nominative forms for pronouns ("I", "he", "she") but not for most nouns.
  • Zero-marking with fixed word order: languages that lack case endings identify the subject by position rather than form.

Function and examples

The primary function is to mark the subject of a clause. Examples across types of languages show this role:

  1. Canonical subject: "The boy kissed the girl." ("the boy" is subject).
  2. Copular constructions: languages with cases may put both terms in a nominative-like form after linking verbs; in others, a distinct "predicate" case or agreement occurs.

Because languages differ, a direct one‑to‑one mapping between English forms and nominative morphology is not always possible; consult descriptive grammars for particulars.

History and typology

The nominative has deep historical roots in many Indo-European languages and appears in various case systems worldwide. Over time some languages have lost nominative endings through phonological change or simplified case systems, while others preserve or even expand case distinctions.

Distinctions and notable facts

Important distinctions include nominative vs. accusative (object) and nominative vs. ergative (different alignment systems). For further general reading on grammatical roles and case systems see general grammar resources and comparative overviews at case system introductions.