What is the nominative case?
Subject (who is doing the action).
What is the accusative case?
Direct object (who/what receives the action).
What is the dative case?
Indirect object (to/for whom something is done).
What is the genitive case?
Possession/relationship (whose?).
Definite article ‘the’ for masculine (singular)?
nominative → accusative → dative → genitive
der → den → dem → des
Definite article ‘the’ for feminine (singular)?
nominative → accusative → dative → genitive
die → die → der → der
Definite article ‘the’ for neuter (singular)?
nominative → accusative → dative → genitive
das → das → dem → des
Indefinite article ‘a’ for masculine (singular)?
nominative → accusative → dative → genitive
ein → einen → einem → eines
Indefinite article ‘a’ for feminine (singular)?
nominative → accusative → dative → genitive
eine → eine → einer → einer
Indefinite article ‘a’ for neuter (singular)?
nominative → accusative → dative → genitive
ein → ein → einem → eines
Translate: The man reads a novel.
Der Mann liest einen Roman.
Der Mann - nominative
Der Roman - accusative
Translate: The woman helps the man.
Die Frau hilft dem Mann.
(dative, because helfen always takes dative)
Translate: The child has a dog.
Das Kind hat einen Hund.
(accusative)
Translate: The man gives the woman a book.
Der Mann gibt der Frau ein Buch.
(dative for der Frau, accusative for ein Buch)
Translate: The girl’s house.
Das Haus des Mädchens.
(genitive)
Which case? Der Mann liest einen Roman.
Roman = masculine accusative
Which case? Der Mann hilft der Frau.
Frau = feminine dative
Which case? Der Hut des Mannes.
Mannes = masculine genitive
When do you use meinen?
Masculine accusative (direct object).
Example: Ich sehe meinen Freund.
When do you use meinem?
Masculine or neuter dative (indirect object).
Example: Ich helfe meinem Freund.
Translate: I give my friend a book.
Ich gebe meinem Freund ein Buch.
(dative → meinem)
Translate: I see my friend.
Ich sehe meinen Freund.
(accusative → meinen)
What does durch mean and which case does it take?
through → accusative
Example: Ich gehe durch den Park. → I walk through the park.
What does für mean and which case does it take?
for → accusative
Example: Ich kaufe ein Geschenk für meine Mutter. → I buy a gift for my mother.