predmet

/predmet/

Cases

SingularPluralWhen to use it
nominativepredmetthe subjectpredmetlethe subjectsthe plain dictionary form — the doer of the sentence
genitivepredmetnithe subject'spredmetlenithe subjects'the owner — whose it is
accusativepredmetnithe subject (as the object)predmetlenithe subjects (as the object)a specific, known object — whom or what
dativepredmetgeto the subjectpredmetlegeto the subjectsdirection or recipient — to where, to whom
locativepredmetdeat / in the subjectpredmetledeat / in the subjectswhere it is; also having — mende bar, "I have it"
ablativepredmetdenfrom the subjectpredmetledenfrom the subjectswhere 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
mypredmetimmy subjectpredmetlerimmy subjects
yourpredmetingyour subjectpredmetleringyour subjects
his / herpredmetihis / her subjectpredmetlerihis / her subjects
ourpredmetibizour subjectpredmetleribizour subjects
you all'spredmetigizyou all's subjectpredmetlerigizyou all's subjects
theirpredmetleritheir subjectpredmetleritheir subjects

The overlap in the last rows is real, not a mistake: predmetleri can mean "his / her subjects", "their subject", or "their subjects" — context decides.