How To Use Genitive case In A Sentence

attributive: -s/-l directive: -is locative: -eBy renaming the genitive case as "attributive", we make it clearer that these endings are not just restricted to mere "possessives" or "ablatives" but rather we recognize their many other usages. Liber Linteus and religious formulae, part 2
The misanalysis I'm suggesting affects genitival constructs i.e. words derived by way of genitive case markers, such as Pre-IE adjectives. Genitival Misanalysis
The only noun inflexion preserved in Modern English is the possessive ending ‘s’ which is a survival of the common Germanic masculine singular genitive case ending.
Or putting the adjectives in the genitive case, instead of the accusative, as in ‘I will take the chalice of salvation’?
I shall have occasion to notice the peculiar use of the genitive case and of genitival adjectives in worship later on. The Religious Experience of the Roman People From the Earliest Times to the Age of Augustus

So thank you, Mr. Callahan, for the lessons in the nominative, accusative, dative, and genitive cases. Audrey Watters: Beyond Ratings: Teacher Evaluations Don't Tell The Whole Story
Yet since the type-I genitive case (prototypically -as) is almost identical phonetically to this other case (prototypically -is), I find it odd that they didn't just merge considering that they would then also have almost identical semantics too! Ipa ama hen
The misanalysis I'm suggesting affects genitival constructs i.e. words derived by way of genitive case markers, such as Pre-IE adjectives. Genitival Misanalysis