Klassenstufe	Nominativ, Singular	nominative case, singular
	Klassenstufe	Genitiv, Singular	genitive case, singular
	Klassenstufe	Dativ, Singular	dative case, singular
	Klassenstufe	Akkusativ, Singular	accusative case, singular
	Klassenstufen	Nominativ, Plural	nominative case, plural
	Klassenstufen	Genitiv, Plural	genitive case, plural
	Klassenstufen	Dativ, Plural	dative case, plural
	Klassenstufen	Akkusativ, Plural	accusative case, plural