metr

/metr/

Cases

SingularPluralWhen to use it
nominativemetrthe metremetrlethe metresthe plain dictionary form — the doer of the sentence
genitivemetrnithe metre'smetrlenithe metres'the owner — whose it is
accusativemetrnithe metre (as the object)metrlenithe metres (as the object)a specific, known object — whom or what
dativemetrgeto the metremetrlegeto the metresdirection or recipient — to where, to whom
locativemetrdeat / in the metremetrledeat / in the metreswhere it is; also having — mende bar, "I have it"
ablativemetrdenfrom the metremetrledenfrom the metreswhere 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
mymetrimmy metremetrlerimmy metres
yourmetringyour metremetrleringyour metres
his / hermetrihis / her metremetrlerihis / her metres
ourmetribizour metremetrleribizour metres
you all'smetrigizyou all's metremetrlerigizyou all's metres
theirmetrleritheir metremetrleritheir metres

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