Morphosyntax
Grammatical Case
Marking nouns for syntactic role — nominative, accusative, dative, genitive
Grammatical case is a system of inflection on nouns, pronouns, and adjectives that marks their syntactic role in a clause — subject, direct object, indirect object, possessor, and so on. Latin had six cases (nominative, accusative, genitive, dative, ablative, vocative); German has four (Nom/Acc/Dat/Gen); Russian has six; Finnish has fifteen; Hungarian has eighteen. English has nearly lost case — only pronouns retain it (I/me/my, he/him/his). Case allows free word order: in Latin "Marcus puellam amat" = "puellam Marcus amat" = "amat Marcus puellam" all mean "Marcus loves the girl" because -us marks subject and -am marks object. Case is one of the four major morphological categories, alongside number, gender, and person.
- Latin cases6 (Nom, Acc, Gen, Dat, Abl, Voc)
- German cases4 (Nom, Acc, Dat, Gen)
- Finnish cases15 (locative-rich)
- Hungarian cases18
- English nominal caseEffectively zero (pronouns only)
- FunctionMarks syntactic role; enables free word order
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Why grammatical case matters
- Typology. Case-richness is a key parameter for classifying languages.
- Reading classics. Latin, Greek, Sanskrit, Old English require case mastery.
- Word-order freedom. Case licenses scrambling for pragmatics and emphasis.
- Translation. English prepositions often translate to case suffixes.
- L2 pedagogy. Teaching German, Russian, Finnish, Latin centers on case.
- Diachrony. English's loss of case illustrates analytic drift.
- Alignment. Ergative vs accusative reveals how languages conceptualize agency.
Common misconceptions
- English has no case. Pronouns and 's still inflect — minimal but real.
- More cases = more complex. Finnish's 15 mostly replace prepositions; total complexity is comparable.
- Case = inflection. Case is one type; tense, number, gender are also inflectional.
- All transitive subjects are nominative. Ergative languages mark them differently.
- Case is universal. Mandarin and Vietnamese have effectively no case morphology.
- Word order is irrelevant when case is rich. Default orders still encode information structure.
Frequently asked questions
What are the core cases?
Nominative (subject — "I see"), accusative (direct object — "see me"), genitive (possession — "my book"), dative (indirect object/recipient — "give me a book"). Latin and Greek added vocative (direct address — "Et tu, Brute") and ablative ("from/by/with X"). Slavic languages add instrumental ("by means of"). Finnish and Hungarian have rich locative systems (inessive, illative, elative — "in/into/out of").
How does case relate to word order?
Inversely. Languages with rich case can permute word order freely because role is marked on the noun itself. Latin "canis virum mordet" and "virum canis mordet" both mean "the dog bites the man" — accusative -um identifies the patient. English lost case around 1100-1300 (Middle English) and compensated with rigid SVO order. Russian retains case and allows scrambling for emphasis.
What's ergative-absolutive case?
An alternative alignment. Most familiar languages are nominative-accusative — subject of intransitive ("I sleep") and transitive ("I see her") share one case. Ergative languages mark the agent of a transitive verb specially (ergative case) while subject of intransitive and object of transitive share absolutive case. Basque, Georgian, Hindi (split), and many Australian Aboriginal languages are ergative.
Did English ever have case?
Yes. Old English (pre-1100) had four cases for nouns and adjectives — Nom, Acc, Gen, Dat — much like Modern German. The collapse happened during the Norman period (1066-1300) due to phonological erosion of unstressed final syllables and Norse contact in the Danelaw. Genitive 's and pronoun forms (I/me, he/him, who/whom) are the only relics.
What is declension?
A pattern or class of case-marking. Latin has five declensions, each with its own endings. Russian has three declensions. Within a declension, nouns inflect predictably for case and number. Adjectives must agree with their noun in case, gender, and number — making concordance a major learner challenge.
What's the locative case?
Marks location. In Finnish, the inessive (-ssa/-ssä) means "in," illative (-Vn) means "into," elative (-sta/-stä) means "out of," adessive (-lla/-llä) means "on/at," allative (-lle) means "onto," ablative (-lta/-ltä) means "off/from." This six-way locative system is morphological economy — what English needs prepositions for, Finnish encodes as suffixes.
How is case acquired?
Children acquiring case-rich languages master the system early — Russian children produce most cases by age 3, with full mastery by age 6. Adult L2 learners struggle: case is consistently rated among the hardest features. English speakers learning German routinely miss accusative/dative distinctions ("ich gehe in die Schule" vs "ich bin in der Schule"). Case is a classic site of fossilization.