German Cases Explained Simply: Nominativ, Akkusativ, Dativ, Genitiv

Cases are the part of German that scares learners the most — and the part where a simple mental model does the most good. Here it is: cases are job labels for nouns. They tell you what role a noun plays in the sentence: who acts, who receives, who benefits.

The four jobs

Nominativ — the doer. Who is acting? Der Mann liest. (The man reads.)
Akkusativ — the direct target. What is being acted on? Ich sehe den Mann. (I see the man.)
Dativ — the receiver/beneficiary. To/for whom? Ich gebe dem Mann das Buch. (I give the man the book.)
Genitiv — the owner. Whose? Das Auto des Mannes. (The man's car.)

The only table you need at A2

	masc.	fem.	neut.	plural
Nominativ	der	die	das	die
Akkusativ	den	die	das	die
Dativ	dem	der	dem	den (+n)
Genitiv	des (+s)	der	des (+s)	der

Notice how little actually changes: Akkusativ only changes the masculine (der → den). That single fact removes half the fear. Dativ is where the real work is — memorize the row "dem, der, dem, den" as a chant.

Prepositions decide everything

In practice you rarely "choose" a case — a preposition chooses it for you:

Always Akkusativ: durch, für, gegen, ohne, um — ein Geschenk für den Lehrer
Always Dativ: aus, bei, mit, nach, seit, von, zu — ich fahre mit dem Bus
Two-way (Wechselpräpositionen): in, an, auf, über, unter, vor, hinter, neben, zwischen — Akkusativ for movement (Wohin? Ich gehe in die Küche), Dativ for location (Wo? Ich bin in der Küche).

Learning the preposition lists as fixed chants ("aus-bei-mit-nach-seit-von-zu") is old-fashioned — and it works.

What about Genitiv?

Spoken German increasingly replaces Genitiv with "von + Dativ" (das Auto von dem Mann). You need Genitiv for reading and formal writing at B1+, but at A2, focus your energy on Akkusativ and Dativ — that's 95% of daily communication.

Practice strategy

Master the masculine Akkusativ (der→den) first — it's the highest-frequency change.
Chant the Dativ row until it's automatic.
Drill two-way prepositions with movement/location pairs: in die Küche / in der Küche.

Our practice courses weave case drills into reading and writing exercises with instant AI feedback on your writing.