gramota

/ɡramota/

Cases

SingularPluralWhen to use it
nominativegramotathe certificategramotalathe certificatesthe plain dictionary form — the doer of the sentence
genitivegramotanıthe certificate'sgramotalanıthe certificates'the owner — whose it is
accusativegramotanıthe certificate (as the object)gramotalanıthe certificates (as the object)a specific, known object — whom or what
dativegramotağato the certificategramotalağato the certificatesdirection or recipient — to where, to whom
locativegramotadaat / in the certificategramotaladaat / in the certificateswhere it is; also having — mende bar, "I have it"
ablativegramotadanfrom the certificategramotaladanfrom the certificateswhere 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
mygramotammy certificategramotalarımmy certificates
yourgramotangyour certificategramotalarıngyour certificates
his / hergramotasıhis / her certificategramotalarıhis / her certificates
ourgramotabızour certificategramotalarıbızour certificates
you all'sgramotağızyou all's certificategramotalarığızyou all's certificates
theirgramotalarıtheir certificategramotalarıtheir certificates

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