Mission—Team—FAQ—Privacy—Terms—Sponsors—Grammar—Typing Course—Donate

© 2026 Elon Automation B.V.

Learn Hardcore Serbian: Kupac je upalio motor. - The buyer started the engine.

Hardcore Serbian
/Inspecting a used car
/Kupac je upalio motor.

Kupac je upalio motor.

Word

Kupac je upalio motor.

Meaning

The buyer started the engine.

Part of speech

sentence

Pronunciation

Course

Hardcore Serbian

Lesson

Inspecting a used car

Breakdown of Kupac je upalio motor.

to start an engine

Questions & Answers about Kupac je upalio motor.

Why is there je in je upalio? Why not just upalio?

In Serbian, the usual past tense is made with:

a present-tense form of biti (to be), here je
plus the past active participle, here upalio

So je upalio means started / switched on in the past.

For a masculine singular subject:

on je upalio = he started
kupac je upalio = the customer started

In everyday speech, Serbian sometimes drops parts of biti in certain contexts, but in standard language je upalio is the normal form here.

Why is it upalio and not upalila or upalilo?

Because the verb form agrees with the gender and number of the subject.

Here the subject is kupac (customer / buyer), which is a masculine singular noun, so the participle is:

upalio = masculine singular
upalila = feminine singular
upalilo = neuter singular

Examples:

Kupac je upalio motor.
Kupkinja je upalila motor. or more naturally Kupica je upalila motor only in some contexts, though žena je upalila motor is simpler.
Dete je upalilo motor.

Elon.io is an online learning platform

We have an entire course teaching Serbian grammar and vocabulary.

Start learning Serbian now

What is the dictionary form of upalio?

The dictionary form is upaliti.

So:

upaliti = to switch on / to start / to light, depending on context
upalio = masculine singular past form

In this sentence, with motor, upaliti means to start or to switch on the engine.

What exactly does upaliti mean here?

Here upaliti means to start an engine.

Serbian upaliti has a broader meaning than English start. It can also mean:

to switch on a device
to light something, like a cigarette or a fire

Examples:

upaliti motor = start the engine
upaliti svetlo = switch on the light
upaliti cigaretu = light a cigarette

So the exact English translation depends on the object.

Why is motor not changed? Shouldn’t the object have a different ending?

Motor is the direct object, so it is in the accusative case.

But with masculine inanimate nouns, the accusative singular is usually the same as the nominative singular.

So:

nominative: motor
accusative: motor

That is why it looks unchanged.

Compare:

Vidim motor. = I see the engine.
Motor radi. = The engine is running.

Same form, different case function.

Why is kupac the subject?

Because kupac is in the nominative case, which is the normal case for the subject of the sentence.

Also, the verb agrees with it:

kupac is masculine singular
upalio is masculine singular

That match helps show that kupac is the one doing the action.

What case is motor in?

It is in the accusative singular, because it is the direct object of upaliti.

The verb upaliti takes a direct object when you are saying what someone switched on or started:

upaliti motor
upaliti svetlo
upaliti radio

As mentioned, motor looks the same in nominative and accusative because it is a masculine inanimate noun.

Is kupac better translated as customer or buyer?

It can mean either, depending on context.

customer is often the best general translation
buyer works when the emphasis is on purchasing

So kupac je upalio motor could mean:

The customer started the engine
The buyer started the engine

Without more context, both are possible.

Is the word order fixed? Could I also say Motor je upalio kupac?

Yes, Serbian word order is more flexible than English because case endings and verb agreement help show who is doing what.

So these can all be possible:

Kupac je upalio motor.
Motor je upalio kupac.
Kupac motor je upalio. (more marked, context-dependent)

But they do not all sound equally neutral.

The most neutral version here is:

Kupac je upalio motor.

If you say:

Motor je upalio kupac

you are likely emphasizing the customer as the person who started it, perhaps contrasting with someone else.

Also note that the clitic je normally takes the second position in the sentence, so its placement follows Serbian clitic rules.

Why isn’t there a word for the in this sentence?

Serbian has no articles like English a or the.

So kupac can mean:

a customer
the customer

and motor can mean:

an engine
the engine

Which one is intended depends on context.

That means the sentence could be understood as:

A customer started the engine
The customer started the engine

depending on the situation.

What aspect is upaliti, and why does that matter?

Upaliti is a perfective verb.

In Serbian, aspect is very important:

perfective = a completed action, seen as a whole
imperfective = an ongoing, repeated, or habitual action

The imperfective partner is usually paliti.

So:

Kupac je upalio motor. = The customer started the engine.
The action is completed.
Kupac je palio motor. = The customer was starting / kept trying to start the engine.
This sounds ongoing, repeated, or not viewed as a single completed event.

That is why upaliti is the natural choice for a simple completed past action.

How is Kupac je upalio motor pronounced?

A rough English-friendly pronunciation is:

Kupac ≈ KOO-paৎস
je ≈ ye
upalio ≈ oo-PAH-lee-oh
motor ≈ MOH-tor

A few notes:

j in Serbian is pronounced like English y in yes
c is pronounced like ts
stress is not usually marked in normal writing, but a natural pronunciation would be close to KÚpac je upálio mótor, depending on region

Could motor mean motorcycle here?

Usually in a sentence like this, motor means engine or motor, so upalio motor is most naturally started the engine.

However, in informal speech, motor can sometimes refer to a motorcycle. Even then, upaliti motor still often means start the engine of that vehicle.

So the sentence most directly refers to starting an engine, but the wider context could suggest a motorcycle.

Can Serbian omit the subject here?

Yes. Serbian often drops subject pronouns, and sometimes even noun subjects are omitted if they are already understood from context.

So you could have:

Je upalio motor. — possible only in very specific contexts, but not the normal standalone sentence
Upalio je motor. — He started the engine
Kupac je upalio motor. — explicitly says it was the customer

Because the verb form upalio already shows masculine singular, Serbian can often leave out he, but if you want to specify who, you include the noun kupac.

Your questions are stored by us to improve Elon.io