Type 1 – the realizable conditional
Refers to an action that can happen in the future.
Ako + present + future I
Example: Ako dođeš, dobićeš poklon.
Ako + future II + future I (less common)
Ako budeš došao, dobićeš poklon.
Type 2 – the potentially realizable conditional
The speaker shows the desire for something to happen.
Kad/ ako + bih, bi, bi, bismo, biste, bi + past participle
Examples: Kada bi došao, dobio bi poklon.
Ako biste došli, išli bismo u bioskop.
Type 3 – the unrealizable conditional
This conditional is used when speaking about past events, speculating on how the action or situation would have turned out had the condition been fulfilled, thus implying that it had not been fulfilled. It can be used to express reproach or regret.
Da + past tense, + bih, bi, bi, bismo, biste, bi + past participle
Examples: Da si znao, dobio bi poklon.
Da ste došli, otišli bismo u bioskop.
