Djed stavlja korov u kompost.

In Croatian, korov is often used as a collective or mass noun, so it can mean weeds in a general sense, not just a single weed.

So:

• korov = weed / weeds / unwanted plant growth

In English, we usually say weeds in this kind of sentence, but Croatian commonly uses the singular form here.

You could also hear plural forms in other contexts, but korov as a singular general noun is very natural.

Djed is the subject of the sentence, so it is in the nominative case.

Here, djed means grandfather / grandpa, and in this sentence he is the one doing the action:

• Djed = Grandpa
• stavlja = puts / is putting
• korov = weeds
• u kompost = into the compost

If you changed the case, the meaning or grammar would change. For example, djeda would not work as the subject form here.

Yes, korov is the direct object, and it is in the accusative case. But for many masculine inanimate nouns, the accusative singular looks exactly like the nominative singular.

So:

• nominative: korov
• accusative: korov

That is why there is no visible change.

This is very common in Croatian. Compare:

• Vidim stol. = I see a table.
• Imam vrt. = I have a garden.

The nouns are objects, but their form stays the same because they are masculine inanimate nouns.

This is a very important Croatian pattern.

The preposition u can mean:

• in / inside when it is followed by the locative
• into when it is followed by the accusative

Here the sentence describes movement toward a destination: the weeds are being put into the compost. Because of that, Croatian uses u + accusative:

• u kompost = into the compost

If you said u kompostu, that would be locative, and it would mean in the compost, referring to location rather than movement.

Compare:

• Korov je u kompostu. = The weeds are in the compost.
• Djed stavlja korov u kompost. = Grandpa puts the weeds into the compost.

Stavlja is the 3rd person singular present tense of the verb stavljati.

So:

• ja stavljam = I put / I am putting
• ti stavljaš = you put / are putting
• on/ona/ono stavlja = he/she/it puts / is putting

Since djed is he, the form is stavlja.

This is about aspect, which is very important in Croatian.

• stavljati = imperfective
• staviti = perfective

Very roughly:

• imperfective focuses on the action as ongoing, repeated, habitual, or just viewed from the inside
• perfective focuses on the action as completed or as a whole event

In a simple present-tense sentence like this, Croatian normally uses the imperfective:

• Djed stavlja korov u kompost. = Grandpa is putting / puts weeds into the compost.

If you use staviti, it usually points to a completed action and often appears in future-like meanings when used in the present form:

• Djed će staviti korov u kompost. = Grandpa will put the weeds into the compost.

So stavlja is the natural choice here.

It can mean either, depending on context.

Croatian present tense often covers both:

• he puts
• he is putting

So Djed stavlja korov u kompost could mean:

• Grandpa puts weeds into the compost.
  or
• Grandpa is putting weeds into the compost.

English chooses between simple present and present continuous more strictly than Croatian does.

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

So a noun like djed, korov, or kompost can mean:

• a grandpa / the grandpa
• weed / the weed / weeds
• compost / the compost

The exact meaning depends on context.

That is why Croatian learners of English have to learn articles, and English speakers learning Croatian have to get used to their absence.

No, Croatian word order is fairly flexible, because the case endings help show what each word is doing.

The most neutral order here is:

• Djed stavlja korov u kompost.

But other orders are possible, depending on emphasis, such as:

• Korov djed stavlja u kompost.
• U kompost djed stavlja korov.

These alternatives are grammatically possible, but they sound different in focus or style. For a learner, the given order is the best neutral one to use first.

Grammatically, it is into the compost, because u + accusative expresses movement toward the inside of something.

In natural English, you might also say:

• into the compost
• in the compost bin
• onto the compost heap

depending on the real-life situation.

But if you want to match the Croatian grammar closely, into the compost is the best explanation.

A rough pronunciation guide:

• djed ≈ dyed, but with a clearer d+y sound at the start
• stavlja ≈ STAHV-lya

A few helpful notes:

• dj in djed is not exactly like English j. It is more like a d followed by a y-like sound.
• lj in stavlja is a single Croatian sound, similar to ly in million for many English speakers.

So:

• djed → one syllable
• stavlja → two syllables: stav-lja

Kompost is a masculine noun.

Yes, gender matters in Croatian because it affects:

• case endings
• adjective agreement
• some pronoun forms
• past tense agreement in some structures

In this sentence, kompost appears after u in the accusative singular, and because it is masculine inanimate, the accusative form is the same as the nominative:

• nominative: kompost
• accusative: kompost

So again, there is no visible change, even though a case is involved.

Yes. Because the verb is imperfective present, the sentence can describe either:

• something happening right now
• something done regularly or habitually

So it could mean:

• Grandpa is putting weeds into the compost.
  or
• Grandpa puts weeds into the compost.

The wider context tells you which interpretation is intended.