Kondicional - rečenice s „ako“
Overview
Serbian marks hypothetical and counterfactual meaning with one mood, the кондиционал (also called потенцијал): би (бих, би, би, бисмо, бисте, би) plus the same радни глаголски придев (l-participle) already taught by past-tense-perfekat-a2 and participles-b1. Радио бих can mean either I would do or I would have done - Serbian builds no separate form for the two meanings.
Instead, which meaning is intended is signalled by the if-clause: a plain present (real/open condition), a би-conditional (hypothetical), or да + perfekat (counterfactual, something that did not happen). The rest of this lesson works through each in turn.
Real and potential conditions - ако + present
For a condition treated as realistic or likely, the ако-clause takes a plain present tense, and the result clause takes futur I or an imperative: „Ако имам времена, доћи ћу на журку.“ (If I have time, I'll come to the party.) This is by far the most common conditional pattern in everyday speech.
Ако + futur II (futur-ii-b1) is a genuine alternative to ако + plain present for the same real condition - it simply makes the future orientation more explicit: „Ако будеш имао времена, помоћи ћу ти.“ sits right next to „Ако имаш времена, помоћи ћу ти.“ with no change in meaning.
verb-aspect-pairs-b1's aspect choice still applies inside the ако-clause exactly as inside any other clause: „Ако купим карте на време, ићи ћемо на концерт.“ uses the perfective present-shaped купим for one bounded purchase, not the imperfective купујем.
Hypothetical and counterfactual conditions
For a condition seen as unlikely or purely hypothetical, both clauses switch to the би-conditional: „Ако бих имао времена, дошао бих на журку.“ (If I had time, I would come.) Once the if-clause commits to this register, the result clause has to match it - it cannot fall back to futur I.
For a genuine counterfactual - something that did not actually happen - Serbian replaces ако with да, and the if-clause takes perfekat instead of a би-form: „Да сам знао за журку, дошао бих.“ (Had I known about the party, I would have come.) Ако + perfekat here would instead read as an open question about the past („if it turns out I knew…“), not a closed, contrary-to-fact statement - да is what commits to the counterfactual reading.
Word order, aspect and the conditional passive
Би is itself an enclitic and follows word-order-enclitics-a2's rules exactly like сам or ће: second position, and it fronts directly with ли for yes/no questions just like they do - „Би ли дошао да те позовем?“ Би can also stand alone with no explicit ако-clause at all, as a general hedge or polite wish: „Она би волела да путује више.“ (She would like to travel more.)
Because the кондиционал is built from би + a participle, it combines with everything past-tense-perfekat-a2 and passive-voice-b1 already established: „Кућа би била продата да смо имали бољу понуду.“ (The house would have been sold if we'd had a better offer) stacks the counterfactual да-clause, the би-conditional, and the participial passive била продата in one sentence.
Tables
| Person | The „bi“ form | Example |
|---|---|---|
| 1. jedn. | bih | radio bih |
| 2. jedn. | bi | radio bi |
| 3. jedn. | bi | radio bi |
| 1. mn. | bismo | radili bismo |
| 2. mn. | biste | radili biste |
| 3. mn. | bi | radili bi |
Examples
Compared with…
English marks the real/hypothetical/counterfactual distinction with three different tense-shifted forms in the if-clause (if I have / if I had / if I had had) and two different result-clause forms (will / would / would have). Serbian needs only one result-clause form, би + participle, throughout - the ако/да-clause alone carries the distinction. Expect to translate both would and would have into the same Serbian би-form, disambiguated only by which if-clause construction it's paired with.
Common mistakes
Tips & exceptions
- One би + participle form covers both would do and would have done - the ако/да-clause's own tense, not a different result-clause form, signals which meaning is intended.
- Reach for да instead of ако specifically when the condition is contrary to what actually happened - real, open possibilities always keep ако.
- Би behaves exactly like сам/ће in word-order-enclitics-a2's cluster: second position, and it fronts directly with ли for questions (Би ли...?) just like they do.
- Ако + futur II (ако будем имао) is an ordinary, everyday alternative to ако + plain present for imperfective verbs - no register restriction, exactly as the section above already shows. The formal/written-register restriction (futur-ii-b1) applies only to perfective verbs, where futur II is the marked, less common option next to the default plain perfective present.
- Кад би can substitute for ако би in hypothetical conditions with no real change in meaning, especially for general or habitual hypotheticals like „Кад би вежбао...“.
Summary
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This lesson is the unit's first step. The grammar, the words and the first guided lesson are open to everyone; the rest of the unit's lessons and its text, dialogue and tasks come with Premium.