Moj voz stiže rano u grad.

A word-by-word breakdown:

• Moj = my
  • possessive adjective
  • masculine singular nominative here
• voz = train
  • masculine singular noun
  • the subject of the sentence
• stiže = arrives / is arriving
  • 3rd person singular present tense
• rano = early
  • adverb
  • describes when the train arrives
• u grad = into/to the city
  • u = into/in/to
  • grad is in the accusative here because it shows movement toward a destination

So the structure is basically:

my train + arrives + early + into/to the city

Because moj has to agree with voz.

In Serbian, possessive words like moj change to match the noun’s:

• gender
• number
• case

Here:

• voz is masculine
• singular
• nominative (because it is the subject)

So the correct form is moj.

Compare:

• moj voz = my train
• moja knjiga = my book
• moje selo = my village

Because Serbian uses different cases after u depending on whether you mean:

• movement toward a place → accusative
• location inside a place → locative

In this sentence, the train is arriving into/to the city, so the idea is movement toward a destination. That is why you get:

• u grad = into/to the city

If you were talking about being located there, you would use:

• u gradu = in the city

Compare:

• Voz stiže u grad. = The train arrives in/to the city.
• Voz je u gradu. = The train is in the city.

It is accusative singular.

The noun grad is a masculine noun, and for many inanimate masculine nouns, the accusative singular looks the same as the nominative singular.

So:

• nominative: grad
• accusative: grad

That can be confusing at first, because the form does not change, but the function does.

Here it is accusative because it follows u with the meaning of movement toward a place.

Stiže is:

• 3rd person singular
• present tense
• from the verb stizati

So it means:

• arrives
• is arriving

The subject is voz = train, which is singular, so the verb must also be singular:

• voz stiže = the train arrives

If the subject were plural:

• vozovi stižu = the trains arrive

Yes.

Just like English can say:

• My train arrives early tomorrow

Serbian can also use the present tense for:

• schedules
• timetables
• planned events
• near-future situations

So Moj voz stiže rano u grad can mean a present-time or scheduled-future arrival, depending on context.

This is very natural in Serbian.

Because rano here is an adverb, not an adjective.

Adverbs do not agree with nouns. They stay the same and describe:

• the verb
• the action
• the time or manner of the action

Here rano describes stiže:

• stiže rano = arrives early

Compare the difference:

• rani voz = an early train
  
  • rani is an adjective describing voz
• voz stiže rano = the train arrives early
  
  • rano is an adverb describing stiže

Yes. Serbian word order is more flexible than English word order.

The sentence Moj voz stiže rano u grad is natural, but other orders are also possible depending on emphasis.

For example:

• Moj voz rano stiže u grad.
• U grad moj voz stiže rano.
• Rano moj voz stiže u grad.

These versions do not all sound equally neutral, though.

The given sentence is a good straightforward option. In Serbian, changing the order often changes:

• emphasis
• rhythm
• what sounds new or important in the sentence

English usually relies more on fixed word order, while Serbian can move elements around more freely.

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

So voz can mean:

• a train
• the train

Context tells you which meaning is intended.

In this sentence, moj voz already makes the noun specific, so English naturally translates it as my train, without needing any article in Serbian.

Both can be related to arrival, but they are not exactly the same.

• dolazi = comes / is coming
• stiže = arrives / is arriving / reaches

Stiže focuses more clearly on reaching the destination.
That makes it especially natural with things like:

• trains
• buses
• planes
• packages

So for a sentence about a train reaching the city, stiže is a very good choice.

Compare:

• Moj voz dolazi. = My train is coming.
• Moj voz stiže u grad. = My train arrives in/to the city.

A rough English-style guide is:

moy vohz STEE-zheh RAH-noh oo grahd

A few notes:

• j is pronounced like English y
  • moj sounds like moy
• ž sounds like the s in measure
  • stiže has that sound
• r is rolled or tapped
• u is like oo in food

Serbian spelling is quite phonetic, so once you know the sounds of the letters, pronunciation becomes much more predictable than in English.

In natural English translation, it is often best understood as to the city or into the city, depending on context.

Serbian often uses u + accusative where English may use:

• to
• into
• sometimes in

So stiže u grad is a normal Serbian way to say that something arrives at that destination.

You do not need to translate it word-for-word every time.
The important thing is the grammar idea:

• u + accusative = movement toward the inside of a place / destination

So a natural English rendering might be:

• My train arrives early in the city
• My train arrives early to the city
• My train arrives early into the city

But the smoothest English would usually be something like:

• My train arrives in the city early
• or simply whatever natural translation your course gives

The Serbian grammar point remains the same.