trener

/trener/ · plural trenerle

Cases and owners

Singular — cases of trener, plain and with an owner
Case—plainmenimyseniyouranıhis / herbiznioursizniyou all'salanıtheir
Nominativetrenerthe coachtrenerimmy coachtreneriŋyour coachtrenerihis coachtreneribizour coachtrenerigizyou all's coachtrenerleritheir coaches
Genitivetrenernithe coach'strenerimimy coach'streneriŋiyour coach'strenerinihis coach'streneribizniour coach'strenerigizniyou all's coach'strenerlerinitheir coaches'
Accusativetrenernithe coach (as the object)trenerimimy coach (as the object)treneriŋiyour coach (as the object)trenerinhis coach (as the object)treneribizniour coach (as the object)trenerigizniyou all's coach (as the object)trenerlerintheir coaches (as the object)
Dativetrenergeto the coachtrenerimeto my coachtreneriŋeto your coachtrenerineto his coachtreneribizgeto our coachtrenerigizgeto you all's coachtrenerlerineto their coaches
Locativetrenerdein / at the coachtrenerimdein / at my coachtreneriŋdein / at your coachtrenerindein / at his coachtreneribizdein / at our coachtrenerigizdein / at you all's coachtrenerlerindein / at their coaches
Ablativetrenerdenfrom the coachtrenerimdenfrom my coachtreneriŋdenfrom your coachtrenerindenfrom his coachtreneribizdenfrom our coachtrenerigizdenfrom you all's coachtrenerlerindenfrom their coaches
Plural — cases of trener, plain and with an owner
Case—plainmenimyseniyouranıhis / herbiznioursizniyou all'salanıtheir
Nominativetrenerlethe coachestrenerlerimmy coachestrenerleriŋyour coachestrenerlerihis coachestrenerleribizour coachestrenerlerigizyou all's coachestrenerleritheir coaches
Genitivetrenerlenithe coaches'trenerlerimimy coaches'trenerleriŋiyour coaches'trenerlerinihis coaches'trenerleribizniour coaches'trenerlerigizniyou all's coaches'trenerlerinitheir coaches'
Accusativetrenerlenithe coaches (as the object)trenerlerimimy coaches (as the object)trenerleriŋiyour coaches (as the object)trenerlerinhis coaches (as the object)trenerleribizniour coaches (as the object)trenerlerigizniyou all's coaches (as the object)trenerlerintheir coaches (as the object)
Dativetrenerlegeto the coachestrenerlerimeto my coachestrenerleriŋeto your coachestrenerlerineto his coachestrenerleribizgeto our coachestrenerlerigizgeto you all's coachestrenerlerineto their coaches
Locativetrenerledein / at the coachestrenerlerimdein / at my coachestrenerleriŋdein / at your coachestrenerlerindein / at his coachestrenerleribizdein / at our coachestrenerlerigizdein / at you all's coachestrenerlerindein / at their coaches
Ablativetrenerledenfrom the coachestrenerlerimdenfrom my coachestrenerleriŋdenfrom your coachestrenerlerindenfrom his coachestrenerleribizdenfrom our coachestrenerlerigizdenfrom you all's coachestrenerlerindenfrom their coaches

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

Belonging to trener — the coach's one
Caseone thing, one ownerseveral things, one ownerone thing, several ownersseveral things, several owners
Nominativetrenernikithe coach's onetrenernikilethe coach's onestrenerlenikithe coaches' onetrenerlenikilethe coaches' ones
Genitivetrenernikiniof the coach's onetrenernikileniof the coach's onestrenerlenikiniof the coaches' onetrenerlenikileniof the coaches' ones
Accusativetrenernikinthe coach's one (as the object)trenernikilenithe coach's ones (as the object)trenerlenikinthe coaches' one (as the object)trenerlenikilenithe coaches' ones (as the object)
Dativetrenernikineto the coach's onetrenernikilegeto the coach's onestrenerlenikineto the coaches' onetrenerlenikilegeto the coaches' ones
Locativetrenernikindein / at the coach's onetrenernikiledein / at the coach's onestrenerlenikindein / at the coaches' onetrenerlenikiledein / at the coaches' ones
Ablativetrenernikindenfrom the coach's onetrenernikiledenfrom the coach's onestrenerlenikindenfrom the coaches' onetrenerlenikiledenfrom the coaches' ones

The endings are the same ones the pronouns wear — that page explains when each case is used.