Breakdown of Der rote Schal hängt neben dem Vorhang im Schlafzimmer.
in
in
dem
the; (masculine or neuter, dative)
neben
next to
das Schlafzimmer
the bedroom
Questions & Answers about Der rote Schal hängt neben dem Vorhang im Schlafzimmer.
Why is the article der used with rote Schal instead of den roten Schal?
Because der rote Schal is the subject of the sentence, it must be in the nominative case. The masculine singular nominative definite article is der. Den would be the masculine singular accusative article, used for direct objects, e.g. Ich sehe den roten Schal.
Why does the adjective rote end in -e and not -er?
After a definite article, adjectives take the weak (ending) declension. For masculine singular nominative, the weak adjective ending is -e, giving der rote Schal. The article der already marks gender and case, so the adjective only needs -e.
Why is it neben dem Vorhang and not neben den Vorhang?
Neben is a two-way (Wechsel) preposition. When it indicates a static location (Wo? – where?), it requires the dative case. The dative masculine singular of der is dem, so you get neben dem Vorhang.
Why does in become im in im Schlafzimmer?