auf
/aʊf/Indicates a position on a surface or location
Sie setzt sich auf den Stuhl.
She sits on the chair.
Commonly used to describe physical positioning.
Indicates a state of being active or in operation
Das Licht ist an.
The light is on.
Often used with verbs like 'sein' (to be) to describe states.
Indicates a direction or movement upward
Er steigt auf den Berg.
He climbs up the mountain.
Used with verbs of movement to indicate upward direction.
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💡Pro Tip
Case Usage
Remember that 'auf' can take either the dative (location) or accusative (movement) case depending on the context.
⚡Gold Rule
Direction vs. Position
Use 'auf' with accusative when indicating movement upward or onto something, and with dative when indicating a stationary position.
📖Word Origin
From Middle High German 'ûf', from Old High German 'ûf', from Proto-Germanic 'up' (up).
📝Usage Notes
The preposition 'auf' is often used with the dative case to indicate location and with the accusative case to indicate movement.