Ten bilet do kina kosztuje dwadzieścia złotych.

Because bilet is a masculine noun in Polish.

The demonstrative meaning this changes to match the noun’s gender:

• ten for masculine nouns
• ta for feminine nouns
• to for neuter nouns

So:

• ten bilet = this ticket
• ta książka = this book
• to kino = this cinema

Since bilet is masculine, ten is the correct form.

Bilet is in the nominative singular.

It is the subject of the sentence:

• Ten bilet do kina = This cinema ticket
• kosztuje... = costs...

So the ticket is the thing doing the action of costing, which is why it stays in the nominative.

Because the preposition do requires the genitive case.

The basic form of the noun is:

• kino = cinema

After do, it changes to the genitive:

• do kina = to the cinema / for the cinema

So:

• kino → nominative
• kina → genitive after do

This is a very common pattern in Polish:

• do domu = to the house/home
• do sklepu = to the shop
• do kina = to the cinema

In this sentence, bilet do kina means a ticket to the cinema or more naturally a cinema ticket.

Literally, do often means to. So the phrase is built like:

• bilet = ticket
• do kina = to the cinema

English usually prefers cinema ticket or ticket to the cinema, while Polish commonly uses bilet do kina.

Kosztuje is the 3rd person singular present tense form of the verb kosztować = to cost.

So:

• ja kosztuję = I cost
• ty kosztujesz = you cost
• on/ona/ono kosztuje = he/she/it costs

In this sentence, the subject is singular:

• Ten bilet... kosztuje... = This ticket costs...

That is why the verb is kosztuje.

Because after 20 and most numbers from 5 upward, Polish normally uses the genitive plural form of the counted noun.

The currency noun is:

• złoty = one zloty

But after dwadzieścia you say:

• dwadzieścia złotych = twenty zlotys

Compare:

• jeden złoty = one zloty
• dwa złote = two zlotys
• trzy złote = three zlotys
• cztery złote = four zlotys
• pięć złotych = five zlotys
• dwadzieścia złotych = twenty zlotys

This number pattern is one of the trickier parts of Polish.

It changes because of how Polish numbers work.

The base dictionary form is:

• złoty

But nouns often change after numbers:

• 1 → nominative singular: złoty
• 2, 3, 4 → a special plural form: złote
• 5 and above → genitive plural: złotych

So dwadzieścia złotych follows the normal rule for 20.

This is not specific to money. Similar patterns happen with many nouns:

• jeden bilet
• dwa bilety
• pięć biletów

Not completely. Polish word order is more flexible than English because endings show grammatical relationships.

The neutral, natural order here is:

• Ten bilet do kina kosztuje dwadzieścia złotych.

But you may also hear variations for emphasis, such as:

• Ten bilet kosztuje dwadzieścia złotych.
• Dwadzieścia złotych kosztuje ten bilet do kina.
  This sounds marked and would usually be used for emphasis.

Even though alternative orders are possible, learners should usually stick to the basic version until they feel comfortable with Polish sentence rhythm.

Yes. That would still be correct.

• Ten bilet do kina kosztuje dwadzieścia złotych = This cinema ticket costs twenty zlotys
• Bilet do kina kosztuje dwadzieścia złotych = A/The cinema ticket costs twenty zlotys

Adding ten makes the sentence more specific, like this ticket rather than just the ticket or a ticket.

Polish does not have articles like a and the, so words like ten can help add specificity.

A rough English-style pronunciation guide would be:

ten BEE-let do KEE-na kosh-TOO-yeh dva-DJESH-chya ZWO-tikh

A few notes:

• bilet sounds like BEE-let
• kino sounds like KEE-no
• kosztuje sounds roughly like kosh-TOO-yeh
• dwadzieścia is tricky; roughly dva-DJESH-chya
• złotych begins with zw-like sound: ZWO-tikh

A more accurate IPA-style pronunciation is approximately:

/tɛn ˈbʲilɛt dɔ ˈkʲina kɔʂˈtujɛ dvaˈd͡ʑɛɕt͡ɕa ˈzwɔtɨx/

Yes, it is very natural.

Polish often builds this kind of phrase with noun + do + place:

• bilet do kina = cinema ticket
• bilet do teatru = theatre ticket

So even though English often uses a noun directly before another noun, Polish frequently uses a prepositional phrase instead.

That said, the exact phrase depends on meaning. For example:

• bilet do kina = ticket to the cinema
• bilet na film = ticket for a film/showing

Both can be correct, but they are not always used in exactly the same situation.

Usually no. Złotych by itself is enough in normal conversation, because it is understood that the currency is Polish zlotys.

So:

• dwadzieścia złotych = perfectly normal

You might say dwadzieścia polskich złotych only if you want to be extra explicit, for example in translation, finance, or contrast with another currency.

Word for word, it is roughly:

• Ten = this
• bilet = ticket
• do kina = to the cinema
• kosztuje = costs
• dwadzieścia złotych = twenty zlotys

So the structure is:

This ticket to the cinema costs twenty zlotys.

That is very close to English, but the important Polish grammar points are:

• agreement in ten bilet
• genitive after do → do kina
• number pattern → dwadzieścia złotych