"That bag is mine."
Translation:O çanta benim.
"That bag is mine." Translation: O çanta benim.
Shouldn't this be 'benimki'? - Yes it can be.
The possessive "-ki" suffix for - "mine."
O çanta benimki - That bag is mine.
"O" - is not used in the personal pronoun context. It is a demonstrative pronoun for - "that."