A case refers to the role a noun or a pronoun plays in a particular sentence or clause. There are four main functions and each one can be linked to a specific case in German:
Case
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Function of noun/pronoun
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Example
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Nom.
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The noun/pronoun is the subject of the sentence, i.e. the ‘agent’ of what is happening.
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Der Schüler kauft einen Computer.
‘The pupil buys a computer’.
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Acc.
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It is the direct object of a sentence, i.e. the ‘receiver’ of the action.
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Die Lehrerin lobt den Schüler.
‘The teacher praises the pupil ’.
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Dat.
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It is the indirect object, an additional object to whom/which the action is done.
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Er schenkt ihr eine DVD. ‘He gives her a DVD’.
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Gen.
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It indicates possession or ownership between two nouns.
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Das ist das Auto meines Bruders. ‘This is my brother’s car’.
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The nominative case
As mentioned before, the most important role of the nominative case is to indicate the subject in a sentence. The subject directs the action and can be a person, thing or idea, either in the singular or in the plural:
A good way of identifying the subject is to ask:
Who or what is doing the action?
– Who is playing alone?
The girl will surely become a famous singer.
Nominative case endings
The accusative case
The accusative case in German marks the direct object in a sentence. The direct object is the person or thing on the receiving end of the action:
In order to identify the direct object, you could ask the question:
At who/m or what is the action directed?
® The baby.
Accusative case endings
The endings of the most common determiners in the accusative are iden- tical with those in the nominative, apart from the masculine forms, which end in -en:
Masculine Feminine Neuter Plural
The dative case
In addition to a direct object, many verbs in German can take a further object, the indirect object. The indirect object of a sentence is always in the dative case:
An easy way to identify the indirect object of a sentence is to ask:
To who/m or what is the action being done?
® The child.
Note that the indirect object in English is often indicated by the prepo- sition ‘to’ as shown in the above example.
Here is an overview of the most common determiners in the dative:Masculine Feminine Neuter Plural
Typical endings for determiners in the dative are:
–em with masculine and neuter nouns
–er with feminine nouns and
–en with nouns in the plural.
Don’t forget to add an extra -(e)n to the plural form of the noun itself whenever this is possible.
Indicating possession
The genitive case refers to the idea of possession or belonging, corres- ponding to the English apostrophe s (’s) ending or the preposition of :
A useful way of recognising the genitive in a sentence is to ask :
Whose . . . is it /are they?
Genitive case endings
Here is an overview of the typical endings for common determiners and nouns in the genitive:
Masculine Feminine Neuter Plural
Note that in the genitive:
• masculine and neuter nouns of one syllable usually take the ending
-es: des Mannes, des Kindes;
• nouns with two or more syllables normally only add an -s: meines Bruders, des Mittagessens;
• feminine and plural nouns don’t take any endings.
Although the genitive can still be found in modern German – especially in a more formal context – its use is decreasing. In spoken and sometimes also in written German, the genitive is often replaced with an alternative dative structure: