Declension

Declension is the variation of the form of a noun, pronoun, or adjective, by which its grammatical case, number, and gender are identified. Declension occurs in many of the world's languages, including Latin, Greek, German, Russian, and Sanskrit.

Overview

Declension is a critical aspect of the grammar of many languages. It involves the modification of words to express different grammatical categories. These categories typically include:

• Case: Indicates the grammatical function of the noun or pronoun in a sentence (e.g., nominative, accusative, genitive, dative).
• Number: Indicates whether the noun is singular, plural, or sometimes dual.
• Gender: Indicates the gender of the noun (e.g., masculine, feminine, neuter).

Examples of Declension

Latin

In Latin, nouns are divided into five declensions, each with a unique set of endings. For example, the first declension typically includes feminine nouns and has the following endings:

• Singular: -a, -ae, -ae, -am, -ā
• Plural: -ae, -ārum, -īs, -ās, -īs

German

The German language has four cases (nominative, accusative, genitive, dative) and three genders (masculine, feminine, neuter). German nouns are declined based on these categories. For example, the masculine noun "Mann" (man) is declined as follows:

• Nominative: der Mann (singular), die Männer (plural)
• Accusative: den Mann, die Männer
• Genitive: des Mannes, der Männer
• Dative: dem Mann, den Männern

Russian

The Russian language has six cases (nominative, genitive, dative, accusative, instrumental, prepositional) and three genders. For example, the noun "стол" (table) is declined as follows:

• Nominative: стол (singular), столы (plural)
• Genitive: стола, столов
• Dative: столу, столам
• Accusative: стол, столы
• Instrumental: столом, столами
• Prepositional: столе, столах

Related Concepts

• Conjugation
• Inflection
• Morphology (linguistics)
• Syntax

See Also

• Case (grammar)
• Grammatical number
• Grammatical gender
• Latin declension
• German declension
• Russian declension

External Links

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