Conditional I (kondicional prvi)

The conditional is the Croatian "would": radio bih "I would work", htjela bih kavu "I'd like a coffee". It is how you make polite requests, soften statements, and describe what would happen under some condition. The good news for anyone who already knows the perfect tense is that the conditional reuses two things you have already met — the l-participle and a second-position clitic — so most of the skill transfers directly. There is just one new word to learn: the conditional auxiliary bih.

The conditional auxiliary

The conditional is built from a special auxiliary plus the l-participle, exactly the participle you use for the perfect. The auxiliary is not biti in its present-tense clitic shape (sam, si, je…); it is a separate set descended from the old aorist of biti:

Notice two things. First, the auxiliary itself does not show gender — bih, bi, bismo… are fixed — but the l-participle still agrees with the subject in gender and number, just as in the perfect. Second, look at the column of auxiliaries: the 2sg, 3sg, and all of the 3pl share the single form bi. Croatian collapses an unusual number of persons onto one auxiliary, so context and the participle (and any pronoun) do the disambiguating.

Placement: bih is a second-position clitic

Here is where your perfect-tense instincts pay off. The auxiliary bih (and its relatives bi, bismo, biste) is a clitic: unstressed, leaning leftward, and landing in second position — the very same behaviour as the perfect's sam. So just as you can say Radio sam or Ja sam radio, you can say Radio bih or Ja bih radio, both correct, with the clitic always in the second slot.

What you can never do is open the clause with the clitic: ❌ Bih radio is impossible in standard Croatian, exactly as ❌ Sam radio is. Something stressed must come first. Full treatment on the second-position rule.

Negation

To negate the conditional, put ne before the auxiliary. Unlike the perfect (where the negative fuses into nisam, nije…), the conditional keeps ne as a separate word and bih stays in its clitic shape. The combination ne bih still behaves as a unit and still wants second position — but because ne is now stressed and attached to the auxiliary, ne bih can comfortably open a clause.

Use 1: hypothetical "would"

The core meaning is hypothetical — what would be the case. Very often the condition is left unspoken, understood from context.

Use 2: polite requests and ordering

This is the everyday workhorse. To ask for something politely — in a café, a shop, anywhere — Croatian uses the conditional of htjeti "to want" or voljeti "to like/love": htio/htjela bih or volio/voljela bih, literally "I would want / I would like". Because these are conditional participles, they agree with your gender.

For a request to someone — "would you…?" — front the verb or use the li question particle with biste (formal/plural) or bi (informal singular):

Use 3: wishes and softening

The conditional also frames wishes and takes the edge off opinions and suggestions, just as English "I'd say…", "I'd suggest…" do.

Use 4: the result clause of conditionals

When you say "If I had X, I would do Y", the would-part (the result, or main clause) is Conditional I. The if-part is handled separately — usually with da + present for unreal conditions. Here we only note that the conditional lives in the main clause; the full machinery is on conditional sentences.

The colloquial "bi for everyone"

In casual speech across much of Croatia you will hear bi used for every person — even we and you (plural), where the standard requires bismo and biste: Mi bi došli for standard Mi bismo došli, Vi bi mogli for Vi biste mogli. This is widespread and natural in conversation, but it is (informal/nonstandard): in writing, exams, and any careful register, use the full bismo / biste.

Common Mistakes

Key Takeaways

• Conditional I = the special auxiliary bih, bi, bi, bismo, biste, bi
  • the l-participle (which still agrees with the subject's gender and number).
• The 2sg, 3sg, and all 3pl share the single auxiliary bi; only the participle and context tell them apart.
• bih is a second-position clitic, just like the perfect's sam: Radio bih / Ja bih radio, never ❌ Bih radio.
• Negate with ne bih; this combination can open a clause.
• The polite "I'd like" is htio/htjela bih or volio/voljela bih — gender-agreeing, and the standard way to order or request.
• Colloquial speech uses bi for all persons (Mi bi došli); recognise it, but write the standard bismo / biste.