Wypożyczalnia kajaków przygotowała kajak i wiosło.

Because kajaków is in the genitive plural.

In Polish, when one noun describes what a place is for or of, the second noun is often put in the genitive. So:

• wypożyczalnia kajaków = kayak rental place / literally rental place of kayaks

Compare:

• sklep spożywczy = grocery shop
• wypożyczalnia rowerów = bike rental
• wypożyczalnia samochodów = car rental

So kajaków is not the direct object here. It is part of the noun phrase naming the place.

It is genitive plural.

The basic singular form is:

• kajak = kayak

Its plural nominative is:

• kajaki = kayaks

But after wypożyczalnia, Polish uses the genitive plural:

• kajaków

So the pattern is:

• kajak → singular
• kajaki → nominative plural
• kajaków → genitive plural

Because the subject, wypożyczalnia, is a feminine noun.

In the Polish past tense, the verb agrees with the subject in gender and number. Since wypożyczalnia is feminine singular, the verb is:

• przygotowała = prepared

Compare:

• mężczyzna przygotował = the man prepared
• kobieta przygotowała = the woman prepared
• dziecko przygotowało = the child prepared

Even though a rental place is not biologically female, it is grammatically feminine because the noun wypożyczalnia is feminine.

They actually are in the accusative, but for these nouns the accusative looks the same as the nominative.

They are the direct objects of przygotowała:

• prepared what?
• kajak i wiosło

Now look at the forms:

• kajak is a masculine inanimate noun

  • nominative: kajak
  • accusative: kajak

• wiosło is a neuter noun

  • nominative: wiosło
  • accusative: wiosło

So the forms do not visibly change, but grammatically they are accusative here.

Wypożyczalnia means a rental place, rental shop, or hire place, depending on context.

So:

• wypożyczalnia kajaków = kayak rental place
• more naturally in English: the kayak rental company, the kayak rental shop, or the kayak hire place

It comes from the verb wypożyczyć = to lend / to rent out.

Przygotowała is perfective.

It comes from:

• przygotować = to prepare, to get ready completely / successfully
• imperfective partner: przygotowywać = to be preparing / to prepare repeatedly

In this sentence, perfective is used because the action is presented as completed:

• Wypożyczalnia kajaków przygotowała kajak i wiosło. = The rental place prepared a kayak and a paddle.

If you used the imperfective, it would sound more like describing an ongoing or repeated process.

Because Polish has no articles.

So Polish does not normally distinguish between:

• a kayak
• the kayak

using a separate word like English does.

That means kajak can mean:

• a kayak
• the kayak

and the exact meaning depends on context.

So the sentence could be translated as:

• The kayak rental place prepared a kayak and a paddle
• or The kayak rental place prepared the kayak and the paddle

depending on the situation.

Yes. Polish word order is fairly flexible because case endings help show grammatical roles.

The neutral order here is:

• Wypożyczalnia kajaków przygotowała kajak i wiosło.

But you could also say:

• Kajak i wiosło przygotowała wypożyczalnia kajaków.

That would put more emphasis on kajak i wiosło.

Even though word order can change, the original version is the most straightforward and natural for a basic statement.

Because the sentence is talking about one kayak and one paddle.

• kajak = one kayak
• wiosło = one paddle/oar

If it meant more than one, you would need plural forms, for example:

• kajaki i wiosła = kayaks and paddles

So the singular here is just literal: one of each item.

It can mean either, depending on context, but in a kayaking sentence paddle is usually the best translation.

So here:

• kajak i wiosło = a kayak and a paddle

In other contexts, wiosło can also correspond to oar.

A rough guide:

• wypożyczalnia ≈ vih-poh-ZHIH-chal-nya
• kajaków ≈ ka-YA-koof
• przygotowała ≈ pshih-go-toh-VA-wa
• wiosło ≈ VYOS-wo

A few useful pronunciation points:

• w sounds like English v
• ł sounds like English w
• ó sounds like u
• rz often sounds like zh
• ś / si sounds like a softer sh
• cz sounds like ch in chop

Pronunciation in Polish is much more regular than in English, so once you learn the letter combinations, it becomes easier.

Because -ów is a very common ending for the genitive plural of many masculine nouns.

Here:

• kajak → kajaków

Other similar examples:

• rower → rowerów
• samochód → samochodów

So once you learn that wypożyczalnia often takes a genitive plural noun, kajaków becomes very predictable.

Not as a direct replacement in the same way.

• wypożyczalnia kajaków is the normal way to say kayak rental place
• kajakowa is an adjective meaning something like kayak-related

So wypożyczalnia kajakowa sounds less natural and less standard than wypożyczalnia kajaków.

Polish often prefers:

• noun + genitive noun

rather than:

• noun + adjective

for this type of meaning.

Then the past-tense verb would also become plural.

For example:

• Wypożyczalnie kajaków przygotowały kajak i wiosło. = The kayak rental places prepared a kayak and a paddle.

Here:

• wypożyczalnia → singular
• wypożyczalnie → plural
• przygotowała → feminine singular past
• przygotowały → plural past for a non-masculine-personal subject

This is a good example of how Polish past tense agrees with the subject.