gürbe

/ɡyrbe/

Cases

SingularPluralWhen to use it
nominativegürbethe grain bingürbelethe grain binsthe plain dictionary form — the doer of the sentence
genitivegürbenithe grain bin'sgürbelenithe grain bins'the owner — whose it is
accusativegürbenithe grain bin (as the object)gürbelenithe grain bins (as the object)a specific, known object — whom or what
dativegürbegeto the grain bingürbelegeto the grain binsdirection or recipient — to where, to whom
locativegürbedeat / in the grain bingürbeledeat / in the grain binswhere it is; also having — mende bar, "I have it"
ablativegürbedenfrom the grain bingürbeledenfrom the grain binswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
mygürbemmy grain bingürbelerimmy grain bins
yourgürbengyour grain bingürbeleringyour grain bins
his / hergürbesihis / her grain bingürbelerihis / her grain bins
ourgürbebizour grain bingürbeleribizour grain bins
you all'sgürbegizyou all's grain bingürbelerigizyou all's grain bins
theirgürbeleritheir grain bingürbeleritheir grain bins

The overlap in the last rows is real, not a mistake: gürbeleri can mean "his / her grain bins", "their grain bin", or "their grain bins" — context decides.