Language/German/Grammar/Cases
There are four cases in German: nominative, accusative, dative, genitive.
- Nominative(Nom. or N) indicates the subject of a verb, such as "the monkey" in "The monkey eats a banana." "Der Affe isst eine Banane."
- Accusative(Akk. or A) indicates the direct object, such as "a pen" in "He bought a pen." "Er hat einen Stift gekauft."
- Dative(Dat. or D) indicates the indirict object, such as "him" in "His father will give him a tricycle." "Sein Vater wird ihm ein Dreirad geben."
- Genitive(Gen. or G) usually indicates the possesor of something, such as "my mom" in "This is a helicopter of my mom." "Das ist ein Hubschrauber meiner Mutter."
Prepositions may require accusative, dative or genitive objects. They can be found here:
https://en.wikibooks.org/wiki/German/Grammar/Prepositions_and_Postpositions/.
Verbs may require accusative, dative or genitive objects.
Dative verbs can be found here:
http://germanforenglishspeakers.com/reference/dative-verbs/
Genitive verbs can e found here:
https://www.thoughtco.com/frequently-used-german-dative-verbs-4071410/
You can assume other verbs are all accusative, if you don't want to bother search each new verb you meet.
English Wikibooks has an article on: cases.
Practice resources
https://quizlet.com/207586948/common-german-genitive-verbs-flash-cards/
https://quizlet.com/278944306/german-prepositions-and-cases-flash-cards/