The preposition "an" has the following meanings.
| temporal | Example | |
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1
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moment in time, duration | Am Abend hat es geregnet. |
| spatial | Example | |
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1
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denoting space (proximity,contact) | Das Bild hängt an der Wand. |
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2
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denoting direction (proximity, contact) | Wir hängen das Bild an die Wand. |