La infanoj ludas en la sablo ĉe la strando.

Infanoj means children, so it is plural.

In Esperanto, nouns end in -o:

• infano = child

To make a noun plural, add -j:

• infanoj = children

The article and any adjectives would also match that plural form if needed.

La is the Esperanto word for the. It does not change for singular or plural.

So:

• la infanoj = the children
• la strando = the beach

Esperanto often uses la where English uses the: to refer to specific things already understood in context.

The ending -as shows the present tense in Esperanto.

So:

• ludi = to play
• ludas = play / are playing

Esperanto verbs do not change depending on the subject:

• mi ludas = I play
• li ludas = he plays
• la infanoj ludas = the children play

There is no special -s form like English he plays. Everyone uses -as for the present.

En usually means in.

So en la sablo literally means in the sand.

This can sound a little different from English, because English often says playing in the sand, while Esperanto uses en very naturally here. It gives the idea that the children are playing within the sandy area, not necessarily just on top of it.

These two prepositional phrases show different kinds of location:

• en la sablo = in the sand
• ĉe la strando = at the beach / by the beach

En means being inside or within something.

Ĉe means at, by, or near a place. It often gives a more general location than en.

So the sentence says:

• the children are playing in the sand
• and this is happening at the beach

Because ĉe is often used for being at a place, while en means in a place.

A strando is a beach, treated as a location. If you want the general idea at the beach, ĉe la strando is very natural.

Using en la strando would sound odd, because a beach is not usually thought of as a container that you are inside.

The -n ending usually marks the direct object in Esperanto, and sometimes direction toward something.

In this sentence:

• la infanoj is the subject
• ludas is the verb
• en la sablo and ĉe la strando are prepositional phrases showing location

There is no direct object here, so no accusative -n is needed.

Compare:

• La infanoj ludas. = The children play.
• La infanoj ludas ludon. = The children play a game.

Here ludon would take -n because it is the direct object.

Yes, but it would mean something slightly different.

• en la sablo = in the sand
• sur la sablo = on the sand

En la sablo suggests the children are playing with or in the sand itself. Sur la sablo focuses more on their position on top of the sand.

Both can be correct depending on what you want to emphasize.

The word order here is very normal and clear:

• La infanoj = the children
• ludas = play
• en la sablo ĉe la strando = in the sand at the beach

Esperanto word order is fairly flexible, but this basic order is the easiest and most natural for learners.

Because Esperanto uses endings like -j and sometimes -n, the language can often rearrange words more freely than English without losing clarity.

Ĉ is pronounced like ch in church.

So ĉe sounds roughly like cheh.

A few helpful pronunciation notes from the sentence:

• ĉe = like cheh
• strando = STRAHN-do
• infanoj = in-fa-NOY

Esperanto stress is usually on the second-to-last syllable:

• in-fa-NOJ
• LU-das
• SAB-lo
• STRAN-do

Because infanoj is plural, while sablo and strando are singular.

• infano = child
• infanoj = children

But:

• sablo = sand
• strando = beach

Even though sand can be thought of as a mass noun in English, Esperanto still uses the normal noun ending -o for it.

Here are the base forms:

• la = the
• infanoj → infano = child
• ludas → ludi = to play
• en = in
• sablo = sand
• ĉe = at / by / near
• strando = beach

This is useful because Esperanto words are very regular: once you know the base form and endings, you can understand a lot.

Yes. Esperanto -as covers the general present tense, so depending on context:

• La infanoj ludas can mean
  • The children play
  • The children are playing

Esperanto does not require a separate form like English are playing. The context tells you whether it is habitual or happening right now.