şampan

/ʃampan/

Cases

SingularPluralWhen to use it
nominativeşampanthe champagneşampanlathe champagnesthe plain dictionary form — the doer of the sentence
genitiveşampannıthe champagne'sşampanlanıthe champagnes'the owner — whose it is
accusativeşampannıthe champagne (as the object)şampanlanıthe champagnes (as the object)a specific, known object — whom or what
dativeşampangato the champagneşampanlağato the champagnesdirection or recipient — to where, to whom
locativeşampandaat / in the champagneşampanladaat / in the champagneswhere it is; also having — mende bar, "I have it"
ablativeşampandanfrom the champagneşampanladanfrom the champagneswhere 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
myşampanımmy champagneşampanlarımmy champagnes
yourşampanıngyour champagneşampanlarıngyour champagnes
his / herşampanıhis / her champagneşampanlarıhis / her champagnes
ourşampanıbızour champagneşampanlarıbızour champagnes
you all'sşampanığızyou all's champagneşampanlarığızyou all's champagnes
theirşampanlarıtheir champagneşampanlarıtheir champagnes

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