German Genitive Case
The German genitive case expresses possession and belonging, as in das Auto des Mannes. Masculine and neuter nouns add -s or -es, while articles change to des (masculine/neuter), der (feminine/plural), or eines/einer. Certain prepositions like wegen, trotz, and während always require genitive.
The genitive case shows ownership and relationships between nouns. When you want to say whose car, book, or house something is, you use genitive forms. The structure places the possessor after the possessed item, unlike English where we typically use apostrophe-s or the word of.
Articles transform in the genitive: masculine and neuter nouns take des or eines, feminine nouns take der or einer, and plural nouns take der. Masculine and neuter nouns themselves also add an ending. Single-syllable nouns usually take -es (des Buches), while longer nouns take just -s (des Lehrers). Feminine nouns and plurals do not add endings.
Several prepositions always govern the genitive case: wegen (because of), trotz (despite), während (during), statt (instead of), außerhalb (outside of), and innerhalb (inside of). These prepositions require you to use genitive articles and noun forms regardless of context.
In everyday spoken German, many speakers replace genitive constructions with von plus the dative case. Instead of das Auto des Mannes, you will often hear das Auto von meinem Vater. While this is common in conversation, formal writing and certain fixed expressions still require proper genitive forms.
- Possession and belonging
- Der Genitiv zeigt Besitz oder Zugehörigkeit: das Auto des Mannes.
- Genitive articles
- Artikel im Genitiv: des (maskulin/neutrum), der (feminin/Plural), eines/einer.
- Masculine and neuter noun endings
- Maskuline und neutrale Nomen bekommen die Endung -s oder -es: des Lehrers, des Kindes.
- Ending choice by syllable count
- Einsilbige Nomen nehmen meist -es (des Buches), mehrsilbige nur -s (des Lehrers).
- Genitive prepositions
- Präpositionen mit Genitiv: wegen, trotz, während, statt, außerhalb, innerhalb.
- Spoken alternative with von
- In der gesprochenen Sprache ersetzt oft „von + Dativ“ den Genitiv: das Auto von meinem Vater.
Examples
Common mistakes
- Using der Mann instead of des Mannes after a genitive preposition; correct: wegen des Mannes
- Forgetting the noun ending on masculine/neuter words; correct: des Buches not des Buch
- Using die Frau in genitive instead of der Frau; correct: die Tasche der Frau
- Adding -s to feminine nouns in genitive; correct: der Frau not der Fraus
FAQ
When do I use -s versus -es on genitive nouns?
Single-syllable nouns typically take -es (des Tages, des Buches), while nouns with two or more syllables usually take only -s (des Lehrers, des Computers). Nouns ending in -s, -ß, -x, or -z always take -es.
Do all German prepositions use the genitive case?
No, only specific prepositions require genitive: wegen, trotz, während, statt, außerhalb, innerhalb, and a few others. Most common prepositions use accusative or dative instead.
Is it wrong to use von plus dative instead of genitive?
In spoken German, von plus dative is widely accepted and natural. However, formal writing, academic texts, and certain fixed expressions still require proper genitive forms. Learning both options gives you flexibility across contexts.