La teatro prezentas novan teatraĵon.

La is the definite article, meaning the.

So la teatro = the theater.

In Esperanto, la is used when you mean a specific thing, just like English the. If you said just teatro, it would sound more like a theater or the idea of theater, depending on context.

Also, la never changes:

• not for singular/plural
• not for subject/object
• not for gender

So it is always just la.

The ending -as marks the present tense in Esperanto.

So:

• prezentas = presents / is presenting
• prezentis = presented
• prezentos = will present
• prezentus = would present
• prezenti = to present

Esperanto verbs do not change depending on the subject. So:

• mi prezentas = I present
• vi prezentas = you present
• li prezentas = he presents
• ili prezentas = they present

The verb form stays the same.

Because this is the direct object of the sentence.

In Esperanto, the direct object usually gets -n. That is called the accusative ending.

So:

• teatraĵo = a play
• teatraĵon = a play (as the thing being presented)

And adjectives must agree with the nouns they describe, so:

• nova teatraĵo = a new play
• novan teatraĵon = a new play (direct object)

Both words get the matching ending:

• nova → novan
• teatraĵo → teatraĵon

In this sentence:

• La teatro = the subject
• novan teatraĵon = the direct object

A big clue is the -n ending:

• the word with -n is usually the direct object

So teatraĵon is the thing being presented.

That means:

• La teatro is doing the action
• prezentas is the action
• novan teatraĵon is what is being presented

This is one of the most useful features of Esperanto grammar, because it often makes the roles in the sentence very clear.

Teatraĵon is built from smaller meaningful parts:

• teatr- = theater / drama
• -aĵ- = a concrete thing or product related to the root
• -o = noun ending
• -n = direct object ending

So:

• teatro = theater
• teatra = theatrical
• teatraĵo = a theatrical work, usually a play
• teatraĵon = a play (as direct object)

The suffix -aĵ- often means a thing made from, a product, or a concrete instance of something.

Yes. In Esperanto, adjectives can usually go before or after the noun.

So both of these are possible:

• novan teatraĵon
• teatraĵon novan

The first one is much more natural and common in ordinary usage.

No matter where the adjective goes, it still has to agree with the noun:

• novan teatraĵon
• teatraĵon novan

Both need -an on the adjective because it describes an accusative singular noun.

It can mean either, depending on context.

In a sentence like La teatro prezentas novan teatraĵon, many learners notice that a building cannot literally present a play. So here la teatro is understood as:

• the theater company
• the theater as an institution
• the people running the theater

English does this too:

• The theater is presenting a new play.

So this is a normal kind of shorthand.

Yes, Esperanto word order is fairly flexible, especially because the -n ending helps show the object.

The neutral order here is:

• La teatro prezentas novan teatraĵon.

But these are also grammatically possible:

• Novan teatraĵon prezentas la teatro.
• Prezentas la teatro novan teatraĵon.

They may sound more emphatic or literary, depending on context. For a learner, the basic subject–verb–object order is the safest choice.

Because la never changes.

Even though teatraĵon is in the accusative, the article stays la:

• la teatraĵo
• la teatraĵon would be wrong as a standalone phrase, because the noun changes, not the article

The correct pattern is:

• article: la
• noun: changes if needed
• adjective: changes to match the noun

For example:

• la nova teatraĵo
• la novan teatraĵon is wrong, because the noun would also need -n
• la novan teatraĵon should be la novan teatraĵon only if the noun is also accusative—actually the full correct phrase is la novan teatraĵon? No: that is still missing agreement? Let's state it clearly:

Correct forms are:

• la nova teatraĵo
• la novan teatraĵon is incorrect because nova and teatraĵo do not match fully? Wait, they do match in accusative singular if both have -n. The phrase la novan teatraĵon is actually correct. The main point is that la does not become something else.

A clearer example:

• la teatraĵo
• la teatraĵon
• la nova teatraĵo
• la novan teatraĵon

Only the adjective and noun change; la does not.

A rough English-friendly breakdown is:

te-a-TRA-zhon

More carefully:

• te like teh
• a like ah
• tr clearly pronounced
• aĵ has the sound zh, like the s in measure
• on like ohn

So:

• teatraĵon ≈ teh-ah-TRAH-zhohn

A few useful pronunciation notes:

• Every written letter is pronounced.
• Stress in Esperanto is always on the second-to-last syllable.
• In teatraĵon, the stress is on tra.

Yes, prezentas works well for presents or puts on a play.

Depending on context, Esperanto might also use other verbs, but prezenti is very natural here for staging or presenting a work to an audience.

So La teatro prezentas novan teatraĵon is a normal and clear sentence for:

• The theater presents a new play
• The theater is putting on a new play