Leran ligger på bordet.

Because leran is the definite singular form of lera.

• lera = clay
• leran = the clay

In Swedish, definiteness is often added as an ending on the noun rather than with a separate word like the in English.

Since lera is a common-gender noun (an en-word), its definite singular ending is -n:

• en lera = a clay / clay
• leran = the clay

So Leran ligger på bordet means The clay is lying on the table.

For the same reason: bordet is the definite singular form of bord.

• ett bord = a table
• bordet = the table

Bord is a neuter noun, also called an ett-word, so its definite singular ending is -et.

So:

• på bordet = on the table
• på ett bord = on a table

In this sentence, the table is definite, so Swedish uses bordet.

Because Swedish usually expresses the by adding a suffix to the noun.

Instead of saying something like the clay with a separate article, Swedish says:

• leran = the clay
• bordet = the table

This is one of the big differences from English. Very often, English uses a separate article, but Swedish puts definiteness at the end of the noun.

Ligger is the present tense of ligga, which usually means lie or be lying.

So ligger here means something like:

• is lying
• is located
• is resting

In natural English, you might just translate the whole sentence as The clay is on the table, but Swedish often prefers a position verb like ligger instead of a simple is.

Because Swedish often uses position verbs for where something is located.

Common ones are:

• ligga = lie
• stå = stand
• sitta = sit

English often says is, but Swedish is more specific. It often describes the physical position of the object.

In this sentence, clay is treated as something resting or lying on the surface, so ligger is natural.

Using är would usually sound less idiomatic for simple physical location in a sentence like this.

That is a very natural question for an English speaker.

In Swedish, ligga is used not only for things that literally lie down like a person, but also for many things that are:

• lying flat
• resting on a surface
• spread out
• placed somewhere without standing upright

A lump or mass of clay on a table is naturally described with ligger.

So this is not about the clay behaving like a person. It is about how Swedish describes the object’s position.

The dictionary form is ligga.

• infinitive: ligga = to lie
• present tense: ligger = lies / is lying

Swedish present tense verbs do not change for different persons:

• jag ligger = I am lying
• du ligger = you are lying
• leran ligger = the clay is lying

So ligger works for all subjects.

På means on in this sentence.

It is used because the clay is in contact with the surface of the table.

So:

• på bordet = on the table

This is very similar to English here. If something is resting on top of a surface, på is the normal choice.

The word order is:

• Leran = subject
• ligger = verb
• på bordet = place expression

So the structure is:

Subject + Verb + Place

This is a very normal Swedish main-clause pattern.

Also, Swedish main clauses usually follow the V2 rule, meaning the finite verb comes in the second position. In this sentence, the subject comes first, so the verb naturally comes second:

• Leran | ligger | på bordet

Yes, it would change.

You would remove the definite endings:

• lera instead of leran
• ett bord instead of bordet

A possible version would be:

• Lera ligger på ett bord.

That said, because lera is often a mass noun, Swedish may prefer other phrasings depending on the exact meaning. But grammatically, the main difference is that the definite endings disappear.

A simple learner-friendly approximation is:

LEH-ran LIG-er paw BOR-det

A few notes:

• e in leran is like the e in bed, though Swedish vowels are more precise
• g in ligger is a hard g
• på has a long vowel, roughly like paw
• bordet has stress on the first syllable: BOR-det

The exact pronunciation depends a little on dialect, but that approximation is a good start.

Yes, it is grammatically natural.

It is a simple, clear sentence that shows several common Swedish features:

• definite noun endings: leran, bordet
• a position verb: ligger
• normal preposition use: på

In real life, whether someone would say this exact sentence depends on context, but as a Swedish learning sentence, it is very natural and useful.