* Der: Masculine nominative (subject)
* Den: Masculine accusative (direct object)
* Dem: Masculine dative (indirect object)
* Des: Masculine genitive (possessive)
* Die: Feminine nominative (subject) and plural nominative (subject)
* Die: Feminine accusative (direct object) and plural accusative (direct object)
* Der: Feminine genitive (possessive) and plural genitive (possessive)
* Der: Feminine dative (indirect object) and plural dative (indirect object)
* Das: Neuter nominative (subject) and accusative (direct object)
* Dem: Neuter dative (indirect object)
* Des: Neuter genitive (possessive)
You need to know the gender and case of the noun to choose the correct form of "the." For example:
* Der Mann: The man (masculine nominative)
* Die Frau: The woman (feminine nominative)
* Das Kind: The child (neuter nominative)
* Den Mann sehe ich: I see the man (masculine accusative)
Learning the German cases is crucial to understanding how to use "the" correctly.