kertme

/ kertme /

Cases

SingularPluralWhen to use it
nominative kertme the pear kertmele the pears the plain dictionary form — the doer of the sentence
genitive kertmeni the pear's kertmeleni the pears' the owner — whose it is
accusative kertmeni the pear (as the object) kertmeleni the pears (as the object) a specific, known object — whom or what
dative kertmege to the pear kertmelege to the pears direction or recipient — to where, to whom
locative kertmede at / in the pear kertmelede at / in the pears where it is; also having — mende bar, "I have it"
ablative kertmeden from the pear kertmeleden from the pears 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
my kertmem my pear kertmelerim my pears
your kertmeŋ your pear kertmeleriŋ your pears
his / her kertmesi his / her pear kertmeleri his / her pears
our kertmebiz our pear kertmeleribiz our pears
you all's kertmegiz you all's pear kertmelerigiz you all's pears
their kertmeleri their pear kertmeleri their pears

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