Questions & Answers about Još nisam našla ključ.
Here još means still or yet, depending on how you translate the whole sentence into natural English.
So:
- Još nisam našla ključ. = I still haven’t found the key.
- very naturally also: I haven’t found the key yet.
With a negative verb, još often gives that still not / not yet idea.
Because Serbian uses special negative forms of jesam (to be, used as an auxiliary in the past tense).
For I am not / I have not, the form is:
- nisam
Other forms are:
- nisi = you are not / you have not
- nije = he/she/it is not / has not
- nismo = we are not / have not
- niste = you plural/formal are not / have not
- nisu = they are not / have not
So nisam našla is the normal correct structure.
Yes, in Serbian this is a past tense form: the perfect.
It is built with:
- the auxiliary in the present tense, here negative