Questions & Answers about Juče sam kupila poklon, ali nisam našla cveće.
Serbian often leaves out subject pronouns when they are already clear from the verb form.
In sam kupila and nisam našla, the speaker is clearly I, so ja is not necessary.
You could say Ja sam kupila poklon, but that usually adds emphasis, like I bought the gift.
Those forms show that the speaker is feminine.
In the Serbian past tense, the main verb agrees with the subject in gender and number:
- kupila / našla = feminine singular
- kupio / našao = masculine singular
- kupilo / našlo = neuter singular
- kupili / našle etc. = plural
So this sentence was said by a woman. If a man said it, it would be:
Juče sam kupio poklon, ali nisam našao cveće.
The Serbian past tense here is made with:
- a form of biti = to be
- plus the past participle of the main verb
So:
- sam kupila = I bought
- nisam našla = I did not find
More literally:
- =