tankı

/tankɯ/

Cases

SingularPluralWhen to use it
nominativetankıthe filmtankılathe filmsthe plain dictionary form — the doer of the sentence
genitivetankınıthe film'stankılanıthe films'the owner — whose it is
accusativetankınıthe film (as the object)tankılanıthe films (as the object)a specific, known object — whom or what
dativetankığato the filmtankılağato the filmsdirection or recipient — to where, to whom
locativetankıdaat / in the filmtankıladaat / in the filmswhere it is; also having — mende bar, "I have it"
ablativetankıdanfrom the filmtankıladanfrom the filmswhere 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
mytankımmy filmtankılarımmy films
yourtankıngyour filmtankılarıngyour films
his / hertankısıhis / her filmtankılarıhis / her films
ourtankıbızour filmtankılarıbızour films
you all'stankığızyou all's filmtankılarığızyou all's films
theirtankılarıtheir filmtankılarıtheir films

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