Declension patterns are used to apply the correct declension combos to any determiner and/or adjective preceding a noun. You'll want to use ‘der Junge’ to mention ‘the boy in the nominative scenario and then use ‘den Jungen’ within the accusative circumstance. ‘Dem Jungen’ suggests the dative situation. And ‘des Jungen’ https://gebiet76420.wikijm.com/813159/vereinsrecht_an_overview