DER – DIE – DAS (plural: DIE) is called a three-form determiner as it has three forms for the three genders in the singular nominative. As seen it has the following declension:
masculine feminine neuter plural
Nominative der die das die
Accusative den die das die
Dative dem der dem den (+n)
Genitive des(+s) der des (+s) der
Other three-form determiners are the following:
DIESER – DIESE, DIESES (plural: DIESE) = this, these
JENER – JENE – JENES (plural: JENE) = that, those
jeder, jede, jedes (each)
solcher, solche, solches (such, so)
mancher, manche, manches (some, many)
derselbe, dieselbe, dasselbe (the same)
derjenige, diejenige, dasjenige (that, the one who)
welcher, welche, welches (which – question word)
aller, alle, alles (all the)
beider, beide, beides (both – mostly used in the plural)
sämtlicher, sämtliche, sämtliches (full, all – mostly used in the plural)
The three-form determiners are declined in the same way as the definite article, they have the same endings in the four cases. Their plural form is the same as the feminine singular, except for the dative. For example, the declension of dieser-diese-dieses:
masculine feminine neuter plural
Nominative dieser diese dieses diese
Accusative diesen diese dieses diese
Dative diesem dieser diesem diesen (+n)
Genitive dieses (+s) dieser dieses (+s) dieser
Jener, jeder, solcher, mancher, etc. are declined in the same way.
