бих / би / бисмо / бисте
Conditional and Polite Wishes
Потенцијал (the conditional mood) is built by combining unaccented auxiliary forms of бити (бих, би, бисмо, бисте) with the active past participle. It translates roughly to English 'would', 'could', or polite 'would like'.
How It Works
The conditional (потенцијал) serves four primary roles in everyday and formal Serbian:
1. Polite Requests and Desires
Using the present tense for desires (хоћу, желим) can sound demanding or abrupt. Replacing it with the conditional creates soft, courteous phrases:
• Желео бих кафу, молим вас. (I would like a coffee, please.)
• Да ли бисте могли да ми помогнете? (Could you help me?)
2. Hypothetical and Conditional Situations
In conditional sentences, conjunctions like ако or кад introduce the condition clause (protasis). In hypothetical conditions with кад, the conditional mood is typically used in both the condition and the main consequence clause (apodosis):
• Кад бих имао времена, путовао бих. (If I had time, I would travel.)
3. Habitual or Repeated Actions in the Past
Alongside conditions and requests, the conditional frequently expresses repeated, customary past actions:
• Отац би сваке вечери читао новине пре спавања. (Father would read the paper every evening before sleep.)
4. Purpose Clauses with 'Да би'
Combined with the conjunction да, it expresses purpose or intention:
• Учимо да бисмо положили испит. (We are studying in order to pass the exam.)
Word Order and Enclitic Position
The auxiliary words (бих, би, бисмо, бисте) are verbal clitics obeying second-position rules (Wackernagel's position):
• They can follow either the first whole syntactic constituent (1P) or split the constituent by following its first stressed word (1W): following the whole phrase, Тај стари професор би радо дошао, or splitting the phrase after its first word, Тај би стари професор радо дошао.
• If no stressed element precedes, the participle comes first and the clitic attaches behind it: Дошли бисмо радо.
• Unaccented clitics cannot begin an affirmative declarative clause (never say *Бих желео). In negative clauses like Не бих то урадио, it is the negative particle не that occupies initial position and bears primary stress, serving as the accented prosodic host for the auxiliary enclitic.
• In questions with ли (Бисте ли ми помогли?), when the auxiliary is placed clause-initially, it is no longer an unaccented clitic; it takes full lexical stress (orthotonic form) to host the interrogative particle ли.
Examples (4)
- Желео бих једну кафу и чашу воде, молим вас.
I would like a coffee and a glass of water, please.
Word by Word: Wished would-1sg one coffee and glass [of] water, please you.
A classic polite ordering formula spoken by a male speaker (желео). A female speaker would say 'Желела бих'.
- Кад бисте имали времена, могли бисмо да разговарамо.
If you had time, we could talk.
Word by Word: When would-2pl had time, could would-1pl to talk.
Shows two conditional forms: 'бисте имали' (hypothetical condition) and 'могли бисмо' (hypothetical result).
- Да ли бисте могли да отворите прозор?
Could you open the window?
Word by Word: Whether would-2pl could to open window?
A polite request using the 2nd person plural 'бисте могли' directed either to a group or to one person formally.
- Они би радо купили ту кућу, али немају новца.
They would gladly buy that house, but they have no money.
Word by Word: They would gladly bought that house, but not-have money.
Demonstrates the 3rd person plural auxiliary 'би' paired with the plural participle 'купили'.
Common Mistakes
Using the unchanging colloquial 'би' for all persons instead of standard inflected forms.
Ми би желели да дођемо.Ми бисмо желели да дођемо.In casual speech, native speakers frequently reduce all forms to 'би'. However, standard Serbian requires proper person agreement: 'ја бих', 'ми бисмо', 'ви бисте'.
Placing the auxiliary clitic at the absolute beginning of a sentence.
Бих волео да путујем.Волео бих да путујем.Auxiliaries like 'бих' are enclitics and cannot occupy the first position. Place the participle first ('Волео бих') or introduce an explicit subject pronoun ('Ја бих волео').
Using the masculine participle when a woman is speaking about herself.
Different MeaningЈа бих желео чај.Ја бих желела чај."Ја бих желео чај" is correct for a man. A woman speaking about herself uses the feminine participle: "Ја бих желела чај", because the main verb agrees with the speaker in gender.
How It Connects
Learn This First
To form and use the potential/conditional mood (потенцијал), learners must know how to form and agree the active past participle (radni glagolski pridev) and understand how auxiliary enclitics are positioned within a Serbian sentence.
- -о / -ла / -лоActive Participle Agreement
The conditional (потенцијал) is formed by combining the auxiliary 'бих/би...' with the active past participle (радни глаголски придев), which must agree in gender and number.
Level 2 - Short Pronouns and Clitic Order
Forms of the conditional auxiliary (бих, би, бисмо, бисте) function as enclitics, requiring an understanding of second-position clitic placement in clauses.
Level 2
Related Patterns
- Softening a Request
Focuses specifically on conversational formulas for making courteous requests and polite orders using the conditional.
Level 3 - кад бих / када биImagined Situations with Kad
Explores how this mood pairs with 'кад' to express imagined, contrary-to-fact, or potential conditions.
Level 4 - не бих / не би / не бисмоNegative Conditional
Covers how to properly negate the conditional mood using fused negative auxiliary forms.
Level 3 - да бих / да биPurpose with the Conditional
Examines how potencijal combines with the conjunction 'да' to formulate subordinate clauses of purpose.
Level 3
Learn Next
Patterns that build on this one.