bak

/bak/

Cases

SingularPluralWhen to use it
nominativebakthe tankbaklathe tanksthe plain dictionary form — the doer of the sentence
genitivebaknıthe tank'sbaklanıthe tanks'the owner — whose it is
accusativebaknıthe tank (as the object)baklanıthe tanks (as the object)a specific, known object — whom or what
dativebakhato the tankbaklağato the tanksdirection or recipient — to where, to whom
locativebakdaat / in the tankbakladaat / in the tankswhere it is; also having — mende bar, "I have it"
ablativebakdanfrom the tankbakladanfrom the tankswhere 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
mybagımmy tankbaklarımmy tanks
yourbagıngyour tankbaklarıngyour tanks
his / herbagıhis / her tankbaklarıhis / her tanks
ourbagıbızour tankbaklarıbızour tanks
you all'sbagığızyou all's tankbaklarığızyou all's tanks
theirbaklarıtheir tankbaklarıtheir tanks

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