Igračka je u kavezu pored činije.

• igračka = toy
• je = is
• u = in
• kavezu = cage / in the cage (the form is changed because of case)
• pored = next to / beside
• činije = bowl / of the bowl (again, the form is changed because of case)

So the sentence structure is literally something like Toy is in cage beside bowl, with Serbian case endings showing the relationships.

Igračka is in the nominative singular because it is the subject of the sentence: the thing that is somewhere.

The basic dictionary form is igračka. Since the sentence is about the toy being in a place, nominative is the expected form.

In Serbian, short forms like je often behave as clitics, which usually go in second position in the sentence or clause.

So:

• Igračka je u kavezu. = natural
• putting je somewhere else often sounds wrong or much less natural

This is a very common Serbian pattern. English speakers often notice it because English is does not have this same strict clitic behavior.

Because this sentence describes a location, not movement.

Serbian makes an important distinction:

• u + locative = in / inside somewhere, when something is already there
• u + accusative = into somewhere, when there is movement toward that place

Here, the toy is already located in the cage, so Serbian uses locative:

• u kavezu = in the cage

Compare:

• Igračka je u kavezu. = The toy is in the cage.
• Stavljam igračku u kavez. = I am putting the toy into the cage.

Because u here requires the locative case for location, and the noun kavez changes form in the locative singular:

• nominative: kavez
• locative: kavezu

So:

• kavez = cage
• u kavezu = in the cage

This kind of ending change is normal in Serbian and is one of the main things learners need to get used to.

Because the preposition pored takes the genitive case.

The noun činija changes to činije in the genitive singular:

• nominative: činija
• genitive: činije

So:

• pored činije = next to the bowl / beside the bowl

This is something you mostly have to learn with each preposition: different prepositions require different cases.

Usually, in sentences like this, pored means next to, beside, or by.

So pored činije most naturally means:

• beside the bowl
• next to the bowl

In other contexts, English might translate it a little differently, but next to / beside is the core meaning you should remember first.

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

So kavez can mean:

• a cage
• the cage

and činija / činije can mean:

• a bowl
• the bowl

The exact meaning depends on context. In many textbook translations, English uses the because the location sounds specific:

• The toy is in the cage next to the bowl.

But Serbian itself does not mark that with a separate word.

Yes, Serbian word order is fairly flexible, but not completely free.

This sentence is natural as:

• Igračka je u kavezu pored činije.

You might also hear other orders in certain contexts for emphasis, but moving things around can slightly change what sounds most connected to what.

For example, this sentence most naturally groups the location as:

• u kavezu = in the cage
• pored činije = beside the bowl

An English speaker should be careful, though: changing word order in Serbian can shift emphasis more easily than in English.

A little, yes.

The most natural reading is:

• The toy is in the cage, next to the bowl.

But English speakers may wonder whether pored činije describes:

1. the toy's position, or
2. the cage's position

In real use, context usually makes it clear. Serbian speakers generally understand it as the toy being located in the cage and beside the bowl.

If someone wanted to be extra clear, they could rephrase depending on the intended meaning.

Because u usually means inside an enclosed space, while na often means on, at, or on the surface of something.

A cage is thought of as an enclosed container-like space, so Serbian uses:

• u kavezu = in the cage

Compare:

• na stolu = on the table
• u kutiji = in the box
• u kavezu = in the cage

The basic dictionary form is činija.

In this sentence it appears as činije because pored requires the genitive singular.

So the forms are:

• činija = nominative singular
• činije = genitive singular

This is a useful pattern to recognize, because many feminine nouns ending in -a change to -e or -ije in the genitive singular.

Then you would need a form that shows movement into the cage, not just location.

A natural Serbian version would be something like:

• Igračka ide u kavez pored činije.

Notice the change:

• u kavezu = in the cage (location, locative)
• u kavez = into the cage (direction, accusative)

That location-vs-motion contrast is one of the most important grammar points in sentences with u.