anketa

/anketa/

Cases

SingularPluralWhen to use it
nominativeanketathe questionnaireanketalathe questionnairesthe plain dictionary form — the doer of the sentence
genitiveanketanıthe questionnaire'sanketalanıthe questionnaires'the owner — whose it is
accusativeanketanıthe questionnaire (as the object)anketalanıthe questionnaires (as the object)a specific, known object — whom or what
dativeanketağato the questionnaireanketalağato the questionnairesdirection or recipient — to where, to whom
locativeanketadaat / in the questionnaireanketaladaat / in the questionnaireswhere it is; also having — mende bar, "I have it"
ablativeanketadanfrom the questionnaireanketaladanfrom the questionnaireswhere 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
myanketammy questionnaireanketalarımmy questionnaires
youranketangyour questionnaireanketalarıngyour questionnaires
his / heranketasıhis / her questionnaireanketalarıhis / her questionnaires
ouranketabızour questionnaireanketalarıbızour questionnaires
you all'sanketağızyou all's questionnaireanketalarığızyou all's questionnaires
theiranketalarıtheir questionnaireanketalarıtheir questionnaires

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