Barnið rífur pappírinn.

In Icelandic, the definite article is very often attached to the end of the noun instead of being a separate word.

So:

• barn = child
• barnið = the child
• pappír = paper
• pappírinn = the paper

That is why you do not see a separate word like English the here.

Barn is a neuter noun. When you add the definite article to it, you get barnið.

So:

• barn = a child / child
• barnið = the child

In this sentence, barnið is the subject. Its case is nominative, but for many neuter nouns, the nominative and accusative singular look the same, so barnið would also look the same in the accusative.

Pappír is a masculine noun. With the definite article added, it becomes pappírinn.

So:

• pappír = paper
• pappírinn = the paper

Here, pappírinn is the direct object, so it is in the accusative case. In this particular noun, the definite singular form looks the same in the nominative and accusative, so you still see pappírinn.

The sentence uses the normal subject–verb–object order:

• Barnið = subject
• rífur = verb
• pappírinn = object

So the structure is:

The child + tears + the paper

That is the most straightforward, neutral way to say it.

In this sentence, the main clue is word order.

Icelandic often uses a structure where the finite verb is in second position, and in a simple statement like this, the first noun phrase is normally the subject. So barnið is understood as the doer of the action.

This is especially important here because:

• barnið could look the same in nominative and accusative
• pappírinn also looks the same here in nominative and accusative

So in this exact sentence, word order does a lot of the work.

Rífa is the dictionary form of the verb, the infinitive, meaning to tear.

In the sentence, you need the present tense, third person singular, because the subject is barnið = the child, which counts as it in grammar.

So:

• rífa = to tear
• rífur = tears / is tearing

That is why the sentence uses rífur.

No. Icelandic verbs agree mainly with person and number, not with grammatical gender.

So barnið is grammatically neuter, but that does not change the verb into a special neuter form. The verb is rífur simply because the subject is third person singular.

• barn is neuter
• pappír is masculine

Gender matters in Icelandic because it affects things like:

• the form of the definite article
• adjective endings
• pronouns
• some case forms

That is why you get different definite forms:

• barnið
• pappírinn

A useful thing to remember: grammatical gender is a grammar category, not a statement about biological sex. Barn is neuter even though it refers to a person.

Yes. In Icelandic, accented vowels are separate letters, not just stress marks.

So í is a different vowel from i. It is pronounced roughly like ee in see.

That matters in words like:

• rífur
• pappírinn

You should treat í as a real part of the spelling and pronunciation.

A rough learner-friendly guide is:

• Barnið ≈ BAR-nith
• rífur ≈ REE-vur
• pappírinn ≈ PAHP-peer-inn

A few helpful pronunciation points:

• Stress is usually on the first syllable in Icelandic.
• í sounds roughly like ee in see.
• ð in barnið is like the th in this.
• The r is usually a tapped or trilled r, not the English r.

English-style approximations are never perfect, but these will get you close enough to start.

Yes. That would mean something like The child is tearing the paper with extra emphasis on the action being in progress.

So:

• Barnið rífur pappírinn = simple present, often a general or neutral present
• Barnið er að rífa pappírinn = more clearly is tearing

Both are possible, but the original sentence is the simpler basic form learners usually meet first.