Vodák pádluje přes řeku.

Vodák is a person who does water sports in a small boat, especially on rivers. In this sentence, it is often best understood as a paddler, a canoeist, or sometimes a boater.

It is a masculine singular noun in the nominative case, because it is the subject of the sentence.

Its basic dictionary form is vodák.

Pádluje means paddles or is paddling.

It comes from the verb pádlovat, which means to paddle.

Here, pádluje is:

• 3rd person singular
• present tense
• imperfective

So it agrees with vodák:
Vodák pádluje = The paddler is paddling / paddles

Because Czech present tense of an imperfective verb can often translate into English as either:

• paddles
• is paddling

the exact English choice depends on context.

Because přes usually takes the accusative case, and řeku is the accusative singular form of řeka.

So:

• řeka = river nominative
• řeku = river accusative

In this sentence, přes řeku means across the river, so the noun after přes must change form.

Přes means across, over, or sometimes through, depending on context.

In přes řeku, it means across the river.

So:

• pádluje přes řeku = is paddling across the river

This is a very common Czech pattern:

• jít přes most = to go across a bridge
• běžet přes silnici = to run across the road
• plavat přes jezero = to swim across a lake

Yes, it is grammatically correct and natural.

It sounds like a simple descriptive sentence, the kind you might see in a textbook or language exercise.

In real life, Czech speakers might also say something more specific depending on the context, for example:

• Vodák jede po řece. = The paddler is going along the river.
• Vodák přepádlovává řeku. = The paddler is paddling across the river.

But Vodák pádluje přes řeku is perfectly understandable and natural.

Czech has no articles, so there is no direct equivalent of English a or the.

That means vodák can mean:

• a paddler
• the paddler

and řeku can mean:

• a river
• the river

You understand which one is meant from the context.

So one Czech sentence may correspond to several English translations:

• A paddler is paddling across a river.
• The paddler is paddling across the river.
• A canoeist paddles across the river.

Yes, Czech word order is more flexible than English word order because grammatical roles are often shown by case endings.

The neutral order here is:

Vodák pádluje přes řeku.
subject + verb + prepositional phrase

That is the most straightforward and natural order.

But other orders are also possible, for example:

• Přes řeku pádluje vodák.
• Pádluje přes řeku vodák.

These alternatives may sound more marked or may emphasize different parts of the sentence. English cannot do this as freely because English depends much more on fixed word order.

The ending -je in pádluje shows 3rd person singular present.

That matches vodák, which is one person: he / she / it in grammatical terms, though here it refers to a male person because vodák is masculine.

Compare:

• já pádluji / pádluju = I paddle
• ty pádluješ = you paddle
• on pádluje = he paddles
• my pádlujeme = we paddle
• vy pádlujete = you (plural/formal) paddle
• oni pádlují / pádlujou = they paddle

So vodák pádluje is exactly the expected combination.

Pádlovat is an imperfective verb.

That matters because imperfective verbs are used for:

• actions in progress
• repeated or habitual actions
• general description of an activity

So pádluje can mean:

• is paddling right now
• paddles in a general sense

If Czech wanted to emphasize a completed crossing, it would often use a perfective verb instead.

So this sentence focuses on the activity itself, not necessarily on the completion of the crossing.

A rough pronunciation guide is:

VOH-daak PAA-dloo-yeh presh RZHEH-koo

A few notes:

• á is a long vowel, so both vodák and pádluje have a long a sound.
• ř in řeku is a special Czech sound with no exact English equivalent. Learners often pronounce it approximately like a mix of r and zh at first.
• přes is pronounced roughly like presh, though the ř is again the special Czech sound.

You do not need perfect ř pronunciation immediately to be understood.

Grammatically, vodák is a masculine noun, and in many contexts it refers to a male paddler.

The feminine form is vodačka.

However, in some general statements, masculine forms in Czech can sometimes be used more broadly, depending on context. Still, if you clearly want to refer to a woman, vodačka is the usual choice.

So:

• Vodák pádluje přes řeku. = A male paddler / canoeist is paddling across the river.
• Vodačka pádluje přes řeku. = A female paddler / canoeist is paddling across the river.

No, they mean different things.

• přes řeku = across the river
• po řece = along the river / on the river / down the river, depending on context

So:

• Vodák pádluje přes řeku. = The paddler is crossing from one side to the other.
• Vodák pádluje po řece. = The paddler is moving along the river.

This is an important difference, because English learners may think both just describe movement involving a river, but Czech distinguishes the direction clearly.