Gyakran látogatjuk a barátunkat.

Because the sentence has a definite object: a barátunkat = our friend.

Hungarian verbs in the present tense often have two sets of endings:

• indefinite conjugation: used when there is no specific object, or no object at all
• definite conjugation: used when the object is specific/definite

Here, a barátunkat is definite, so the verb takes the definite 1st person plural ending:

• látogatunk = we visit / we are visiting (no definite object stated)
• látogatjuk = we visit him/her/it or we visit the specific ...

So Gyakran látogatjuk a barátunkat uses the definite conjugation because the friend is a specific person.

Látogatjuk can be divided like this:

• látogat- = the verb stem, visit
• -juk = we with a definite object

So látogatjuk means we visit it/him/her or more naturally here we visit ...

The full sentence supplies the object explicitly: a barátunkat.

Because lát means see, while látogat means visit.

Compare:

• látjuk = we see it/him/her
• látogatjuk = we visit him/her/it

So although the two words are related historically, in modern Hungarian they are different verbs with different meanings.

In Hungarian, possession is usually marked on the noun itself, not with a separate word like our.

Here is the structure:

• barát = friend
• barátunk = our friend
• barátunkat = our friend + object marking

So Hungarian does not need a separate word for our here. The idea of our is built into -unk.

-unk is the possessive ending meaning our.

So:

• barát = friend
• barátom = my friend
• barátod = your friend
• barátja = his/her friend
• barátunk = our friend

Then in your sentence, another ending is added because the noun is the object of the verb.

Because it is the direct object of the verb.

Hungarian marks direct objects with the accusative ending, usually -t.

So:

• barátunk = our friend
• barátunkat = our friend (as the object)

In English, word order usually shows the object. In Hungarian, case endings do a lot of that work.

Because Hungarian often inserts a linking vowel before the accusative -t to make the word pronounceable and natural.

So the accusative is not always added as a bare -t. In practice you often get forms like:

• barátot = friend
• barátunkat = our friend

This is a normal pattern in Hungarian morphology. Learners usually need to memorize the actual accusative form along with the noun pattern.

Because Hungarian commonly uses the definite article even before possessed nouns when they are definite.

So:

• a barátunk = our friend
• a barátunkat = our friend (object form)

This may feel unusual to an English speaker, since English normally does not say the our friend, but in Hungarian this is normal grammar.

Gyakran means often or frequently.

It is an adverb modifying the verb:

• Gyakran látogatjuk a barátunkat.
• We often visit our friend.

Its position before the verb is very natural in a neutral sentence.

Yes. Hungarian word order is flexible, and changing it often changes focus or emphasis, not the basic meaning.

For example:

• Gyakran látogatjuk a barátunkat.
  Neutral: We often visit our friend.

• A barátunkat gyakran látogatjuk.
  Emphasizes our friend.

• Gyakran a barátunkat látogatjuk.
  Can suggest it is our friend that we often visit.

So the original order is a straightforward, neutral way to say it.

Because Hungarian usually does not need subject pronouns unless they are emphasized.

The ending -juk already tells you the subject is we.

So:

• látogatjuk already means we visit it/him/her
• mi látogatjuk would mean we visit it/him/her, with extra emphasis on we

In your sentence, the subject pronoun is omitted because it is unnecessary.

It is present tense, but in context it usually expresses a habitual action.

Because of gyakran = often, the sentence naturally means something like:

• We often visit our friend
• We are in the habit of visiting our friend often

Hungarian present tense commonly covers both simple present and habitual meanings, much like English simple present in this kind of sentence.

Because the Hungarian sentence specifically says our friend, singular:

• barát = friend
• barátunk = our friend

If it were plural, it would be different, for example:

• a barátainkat = our friends (object form)

So the sentence clearly refers to one friend, not several.