……
Usages of kostenlos
In der Bibliothek kann man Bücher kostenlos ausleihen.
In the library you can borrow books for free.
Das WLAN im Hotel ist kostenlos.
The Wi‑Fi in the hotel is free of charge.
Test yourself: What does kostenlos mean?
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“How do German cases work?”
German has four grammatical cases: nominative (subject), accusative (direct object), dative (indirect object), and genitive (possession). The case determines the form of articles and adjectives. For example, "the dog" is "der Hund" as a subject but "den Hund" as a direct object.
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