Nakon večere uvijek ostavim čistu krpu pokraj sudopera.

Because nakon is a preposition that normally takes the genitive case.

The noun večera means dinner. Its genitive singular form is večere, so:

• večera = dinner
• nakon večere = after dinner

So nakon večere is the correct case form after nakon.

In Croatian, the subject pronoun is often left out because the verb ending already shows who the subject is.

Here, ostavim means I leave / I put / I leave behind, and the ending -im tells you it is 1st person singular: I.

So:

• ostavim = I leave
• ja ostavim = I leave

Both are possible, but ja is usually omitted unless you want emphasis or contrast.

This is a very common learner question.

• ostaviti is the perfective verb
• ostavljati / ostavljam is the imperfective verb

Very roughly:

• ostavljam focuses on the habit or repeated action itself
• ostavim can focus more on the fact that the action gets completed each time

In everyday Croatian, a sentence like uvijek ostavim... can sound natural and means something like I always make sure to leave... or I always leave..., with a slight sense of completion/result.

A more neutral habitual version would often be:

• Nakon večere uvijek ostavljam čistu krpu pokraj sudopera.

So the given sentence is fine, but learners should know that ostavljam is also very common and may feel more straightforward as a habitual present.

Because čistu krpu is the direct object of the verb ostavim, and with this verb the direct object goes in the accusative case.

The noun is:

• krpa = cloth / rag

Its accusative singular is:

• krpu

The adjective čista must agree with the noun in gender, number, and case, so it becomes:

• čistu

So:

• čista krpa = a clean cloth
• ostavim čistu krpu = I leave a clean cloth

Krpa literally means cloth, rag, or dishcloth, depending on context.

In this kitchen sentence, čista krpa most naturally suggests a clean dishcloth / kitchen cloth.

If you wanted to be more specific, Croatian could also say things like:

• kuhinjska krpa = kitchen cloth
• krpa za suđe = dishcloth

But krpa by itself is perfectly normal here.

Here again, the preposition controls the case.

Pokraj means beside / next to / by, and it takes the genitive case.

The noun is:

• sudoper = sink

Its genitive singular is:

• sudopera

So:

• pokraj sudopera = beside the sink

A common mistake for learners is to expect something like sudoperu, but that would be a different case and is not used after pokraj.

Yes. These are all very close in meaning:

• pokraj sudopera
• pored sudopera
• kraj sudopera

All can mean beside / next to the sink.

There can be small regional or stylistic preferences, but in everyday use they are very similar.

If you say:

• uz sudoper

that usually means alongside / right up against the sink, so it can sound slightly more physical or exact.

For most learners, pokraj and pored are the easiest near-synonyms here.

Croatian word order is more flexible than English word order, because case endings show grammatical roles.

The sentence:

• Nakon večere uvijek ostavim čistu krpu pokraj sudopera.

is a very natural order:

1. time phrase
2. adverb
3. verb
4. object
5. place phrase

But other orders are also possible, depending on emphasis. For example:

• Uvijek nakon večere ostavim čistu krpu pokraj sudopera.
• Čistu krpu uvijek ostavim pokraj sudopera nakon večere.

These do not all sound equally neutral, but they are possible.

For learners, the original version is a good standard pattern.

Yes. Nakon večere and poslije večere both mean after dinner.

• nakon is a bit more neutral/formal
• poslije is also very common in everyday speech

So this would also work:

• Poslije večere uvijek ostavim čistu krpu pokraj sudopera.

Both are correct and natural.

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

So a noun like krpa can mean:

• a cloth
• the cloth

depending on context.

Likewise sudoper can mean:

• a sink
• the sink

In this sentence, the meaning is understood from context, not from an article.

That is why Croatian learners of English often forget articles, and English speakers learning Croatian often look for them even though they are not there.

In Croatian, adjectives usually come before the noun:

• čista krpa = clean cloth

That is the normal order, and it is what you should use as a learner.

In some special styles or expressions, an adjective can come after the noun, but that is not the basic pattern. So here:

• čistu krpu is the normal and natural choice

Very often, yes.

In this sentence, uvijek naturally comes before the verb:

• uvijek ostavim

That is a very common placement for adverbs like always.

But because Croatian word order is flexible, uvijek can move for emphasis:

• Nakon večere ostavim uvijek čistu krpu... — possible, but less neutral
• Uvijek nakon večere ostavim čistu krpu... — also natural

For learners, putting uvijek before the verb is usually the safest choice.