Sutra idemo u kino bez njih.

In Croatian, the present tense is often used for a future action when there is already a clear time expression such as sutra (tomorrow).

So Sutra idemo u kino literally looks like Tomorrow we are going to the cinema, but in natural English it is usually translated as Tomorrow we’re going to the cinema or Tomorrow we’ll go to the cinema.

This is very common in Croatian and works much like English sentences such as Tomorrow we’re leaving.

Idemo is the 1st person plural present form of the verb ići, which means to go.

So:

• ići = to go
• idem = I go / I’m going
• ideš = you go
• ide = he/she/it goes
• idemo = we go / we’re going
• idete = you (plural/formal) go
• idu = they go

The verb ići is irregular, so its forms need to be learned rather than predicted from a simple pattern.

Croatian often omits subject pronouns when the verb ending already shows who the subject is.

Since idemo clearly means we go / we are going, the pronoun mi (we) is not necessary.

You could say:

• Sutra idemo u kino bez njih.

or

• Mi sutra idemo u kino bez njih.

Both are correct, but the version without mi is more neutral and natural unless you want to stress we.

Sutra means tomorrow and functions as a time adverb.

It does not need a preposition. Croatian often uses time words directly:

• danas = today
• sutra = tomorrow
• jučer = yesterday

So Sutra idemo... is perfectly normal and means Tomorrow we’re going...

The preposition u can mean in, into, or sometimes to, depending on context.

With verbs of motion like ići (to go), u + accusative often means to / into a place:

• idem u školu = I’m going to school
• idemo u grad = we’re going to town
• idemo u kino = we’re going to the cinema

So here u kino means to the cinema.

It actually is in the correct case: accusative.

The noun kino is neuter singular, and for many neuter nouns, the nominative and accusative forms are the same.

So:

• kino = nominative singular
• kino = accusative singular

Because u with motion takes the accusative, u kino is correct even though the form looks unchanged.

The preposition bez means without, and it requires the genitive case.

The pronoun njih is the correct form here because it is the genitive plural form of they / them.

So:

• bez njih = without them

Why not the others?

• oni is a nominative form, so it cannot be used after bez
• ih is a clitic form used in some positions, but after a preposition you use the full stressed form njih

So after prepositions, Croatian uses forms like:

• bez njih
• za njega
• kod nje
• s nama

Not by itself in this sentence.

Njih can refer to them in general, whether the group is masculine, feminine, mixed, or sometimes neuter, depending on context.

So bez njih simply means without them. You usually understand who they are from the surrounding conversation.

Yes. Croatian word order is fairly flexible, although some orders sound more neutral than others.

The original sentence:

• Sutra idemo u kino bez njih.

is very natural and neutral.

Other possible orders include:

• Idemo sutra u kino bez njih.
• Bez njih sutra idemo u kino.
• U kino idemo sutra bez njih.

These versions may change the focus or emphasis, but the basic meaning stays the same.

No. Croatian has no articles like a or the.

So u kino can mean:

• to a cinema
• to the cinema

Which one is meant depends on context. In this sentence, English usually says to the cinema or to the movies, but Croatian does not mark that distinction with an article.

Yes, it could, but it would sound a bit different.

You could say:

• Sutra ćemo ići u kino bez njih.

This is a true future form and means roughly Tomorrow we will go to the cinema without them.

However, with a clear future time word like sutra, Croatian often prefers the simpler present-tense version:

• Sutra idemo u kino bez njih.

That version sounds very natural and common in everyday speech.