Weź parasolkę, bo na chodniku przed domem są już duże kałuże.

Weź is the imperative form of wziąć, which means to take.

Here it is used to give a direct instruction to one person, so weź parasolkę means take an umbrella.

A few related forms:

• weź — take! (said to one person)
• weźcie — take! (said to more than one person)
• proszę wziąć — please take / take, please (more formal)

So the sentence begins with a simple command.

Because parasolka is the dictionary form (nominative singular), but after the verb wziąć / weź the noun is usually in the accusative case, because it is the direct object of the verb.

So:

• parasolka — umbrella
• weź parasolkę — take an umbrella

This is a very common pattern in Polish:

• mam książkę — I have a book
• czytam gazetę — I am reading a newspaper
• weź parasolkę — take an umbrella

For many feminine nouns ending in -a, the accusative singular ends in -ę.

Yes — in modern everyday Polish, parasolka normally means umbrella.

There is also parasol, but parasolka is extremely common for an ordinary rain umbrella. In this sentence, because of the puddles and likely rain, it clearly means umbrella, not a sunshade.

So as a learner, you can safely understand weź parasolkę as take an umbrella.

Bo means because.

It introduces the reason for taking the umbrella:

• Weź parasolkę — Take an umbrella
• bo... — because...

So the whole sentence has the structure:

• Take an umbrella, because...

In everyday spoken Polish, bo is very common and natural.

A slightly more formal alternative would be ponieważ, also meaning because:

• Weź parasolkę, ponieważ...

But bo is the most natural choice in casual speech.

The preposition na can take different cases depending on meaning. Here it means on in the sense of location, so it takes the locative case.

• chodnik — sidewalk / pavement
• na chodniku — on the sidewalk

This is a common pattern:

• na stole — on the table
• na ulicy — on the street
• na chodniku — on the sidewalk

So na chodniku answers the question where?

Because the preposition przed here means in front of, and with that meaning it takes the instrumental case.

So:

• dom — house
• przed domem — in front of the house

This is another very common preposition + case combination:

• przed szkołą — in front of the school
• przed sklepem — in front of the shop
• przed domem — in front of the house

So in this sentence:

• na chodniku przed domem = on the sidewalk in front of the house

Because kałuże is plural.

The verb być (to be) agrees with the subject in number:

• jest — is
• są — are

So:

• jest kałuża — there is a puddle
• są kałuże — there are puddles

Since the sentence refers to duże kałuże (large puddles), the plural verb są is required.

The basic form is kałuża, meaning puddle.

In this sentence, kałuże is the plural nominative form:

• kałuża — puddle
• kałuże — puddles

Because kałuże is the subject of są, it stays in the nominative plural:

• duże kałuże są... — large puddles are...

Because the adjective must agree with the noun in gender, number, and case.

Here:

• kałuże is plural
• the phrase is in the nominative plural
• so duży becomes duże

Compare:

• duża kałuża — a large puddle
• duże kałuże — large puddles

Polish adjectives change their endings depending on the noun they describe, so agreement is very important.

Już usually means already.

In this sentence it suggests that the puddles have already appeared, so the situation is happening now and is a reason to take the umbrella.

So:

• są już duże kałuże = there are already big puddles

It often gives a sense like:

• it has already gotten wet
• the puddles are there now
• things have reached that point already

Polish often does not need a dummy subject like English there.

English says:

• There are big puddles

Polish simply says:

• Są duże kałuże

Literally, this is closer to:

• Are big puddles

But in natural English we translate it as there are big puddles.

This is very normal in Polish. The language often omits elements that English requires.

Yes, Polish word order is more flexible than English, because case endings show grammatical relationships.

The sentence as given is very natural:

• Weź parasolkę, bo na chodniku przed domem są już duże kałuże.

But other orders are possible, for example:

• Weź parasolkę, bo już są duże kałuże na chodniku przed domem.
• Bo na chodniku przed domem są już duże kałuże, weź parasolkę.

However, changing the order can change the emphasis and may sound more or less natural depending on context. The original version is a good neutral everyday sentence.

Yes, it sounds natural. It gives a visible, concrete reason for taking the umbrella: there are already large puddles outside.

Polish often expresses reasons in this straightforward way:

• Weź kurtkę, bo jest zimno. — Take a jacket, because it’s cold.
• Zamknij okno, bo pada. — Close the window, because it’s raining.
• Weź parasolkę, bo... — Take an umbrella, because...

So the structure is very common and useful.

A few pronunciation notes:

• weź — the final ź is a soft sound, roughly like a softened zh
• parasolkę — the final ę is a nasal vowel; in normal speech it may sound a bit like e with nasal coloring
• chodniku — ch sounds like a harsh h
• przed — often pronounced smoothly as one cluster, roughly pshet / p-shed depending on accent and context
• kałuże — ł sounds like English w, so this is roughly ka-woo-zhe

Very rough English-style approximations:

• Weź ≈ vesh / vyezh
• parasolkę ≈ para-SOL-keh
• chodniku ≈ ho-DNEE-koo
• kałuże ≈ ka-WOO-zheh

These are only approximations, but they can help at the start.

A helpful breakdown is:

• Weź parasolkę — imperative verb + direct object
• bo — because
• na chodniku przed domem — location phrase
• są — are
• już — already
• duże kałuże — subject

So the sentence works like this:

Take an umbrella, because on the sidewalk in front of the house there are already large puddles.

That is a very typical Polish structure: command first, then the reason, then the location and the thing that exists there.