Declension patterns are employed to use the right declension combos to any determiner and/or adjective previous a noun. You'll want to use ‘der Junge’ to mention ‘the boy within the nominative circumstance and afterwards use ‘den Jungen’ inside the accusative circumstance. ‘Dem Jungen’ suggests the dative circumstance. And ‘des Jungen’ https://web-hinweis.de/die-grundlagen-des-gesellschaftsrechts-den-rechtsrahmen-fur-unternehmen-verstehen/