Plaćam članarinu u teretani.

In Serbian, the subject pronoun is often omitted because the verb ending already shows who the subject is.

Plaćam = I pay / I am paying

The ending -am tells you it is 1st person singular, so ja is not necessary. You could say Ja plaćam članarinu u teretani, but that usually adds emphasis, like I’m the one paying.

It can mean both.

In Serbian, the present tense often covers both:

• I pay (habitually, regularly)
• I am paying (right now)

So Plaćam članarinu u teretani could mean:

• I pay the membership fee at the gym
• I’m paying the membership fee at the gym

Context tells you which meaning is intended.

The base form is plaćati, which is imperfective.

That means it is used for:

• ongoing actions
• repeated actions
• habitual actions

The perfective partner is usually platiti.

So:

• plaćati / plaćam = to be paying, to pay regularly
• platiti / platim = to pay, complete the payment

In this sentence, plaćam sounds natural because paying a membership fee can be viewed as a regular or ongoing action.

Because it is the direct object of the verb plaćam, so it takes the accusative case.

The dictionary form is:

• članarina = membership fee, dues

But in this sentence:

• Plaćam šta? → članarinu

So:

• nominative: članarina
• accusative singular: članarinu

This is very common with feminine nouns ending in -a:

• knjiga → knjigu
• kafa → kafu
• članarina → članarinu

Članarina means membership fee, membership dues, or subscription fee, depending on context.

It comes from član, meaning member.

So in a gym context, članarina is the fee you pay to be a member of the gym.

Because Serbian does not have articles like English a/an/the.

So članarinu can mean:

• a membership fee
• the membership fee

The exact meaning depends on context.

This is normal in Serbian. You do not need to add anything to express the or a in most cases.

Because u here means in / at, and it is followed by the locative case to show location.

The base noun is:

• teretana = gym

In the locative singular, it becomes:

• u teretani = in/at the gym

So:

• Plaćam članarinu u teretani = I pay the membership fee at the gym

This is a very important case difference:

• u teretani = in/at the gym → location
• u teretanu = into the gym → movement/direction

So:

• Plaćam članarinu u teretani = I pay the fee at the gym
• Idem u teretanu = I’m going to the gym

With u:

• locative = where something happens
• accusative = where someone/something is going

Grammatically, u teretani most directly means at/in the gym, so it tells you the location of the action.

If you want to say more clearly that the membership fee is for the gym, Serbian often uses:

• Plaćam članarinu za teretanu.

That means I’m paying the gym membership fee.

So the difference is:

• u teretani = at the gym
• za teretanu = for the gym

Depending on context, English may translate both in similar ways, but Serbian makes a distinction.

Yes. Serbian word order is more flexible than English.

The neutral order here is:

• Plaćam članarinu u teretani.

But you could also hear:

• Članarinu plaćam u teretani.
• U teretani plaćam članarinu.

These versions are grammatical, but they shift the emphasis:

• Članarinu first emphasizes the thing being paid
• U teretani first emphasizes the place

So word order in Serbian often helps show focus rather than basic grammar.

This sentence has both sounds, and English speakers often notice them.

• č is a harder ch sound, roughly like ch in church
• ć is a softer sound, somewhere between English t
  • y and a very soft ch

In this sentence:

• članarinu starts with č
• plaćam contains ć

A rough learner-friendly pronunciation might be:

• Plaćam ≈ PLYA-chyam with a softer middle sound
• članarinu ≈ chla-na-REE-noo

Exact pronunciation takes practice, but the important thing is to notice that Serbian treats č and ć as different letters and different sounds.