Rano sprawdzam, czy opony są w porządku i czy maska jest dobrze zamknięta.

In this sentence, rano is being used adverbially, so it means in the morning or in the morning time.

• Rano sprawdzam... = In the morning, I check...

This is very common in Polish. Compare:

• rano = in the morning
• wieczorem = in the evening
• nocą = at night

If you want morning as a noun, you would usually use rano differently or another structure depending on the sentence, for example:

• To było piękne rano sounds unnatural
• better: To był piękny poranek = It was a beautiful morning

So in your sentence, rano functions like an adverb of time.

Sprawdzam is the 1st person singular present tense of sprawdzać, which means to check.

So:

• sprawdzam = I check / I am checking

Polish present tense often covers both English meanings:

• I check
• I am checking

depending on context.

Here:

• Rano sprawdzam... = In the morning I check...

This can describe a routine or habitual action.

Also, sprawdzać is the imperfective verb, which is appropriate for repeated or ongoing actions. If you were talking about checking something once and completing it, you might see the perfective partner sprawdzić in another tense, but not in a normal present-tense routine sentence.

Here, czy means whether or if when introducing an indirect yes/no question.

So:

• sprawdzam, czy opony są w porządku = I check whether the tires are OK
• sprawdzam, czy maska jest dobrze zamknięta = I check whether the hood is properly closed

This is different from czy used at the start of a direct yes/no question, for example:

• Czy opony są w porządku? = Are the tires OK?

So czy can mean:

1. whether / if in an embedded clause
2. a marker for a direct yes/no question

Yes, one czy could sometimes be enough, but repeating it is very natural and often clearer.

Your sentence says:

• sprawdzam, czy opony są w porządku i czy maska jest dobrze zamknięta

This clearly separates the two things being checked:

1. whether the tires are OK
2. whether the hood is properly closed

Without the second czy, the sentence would still be understandable in many contexts:

• Rano sprawdzam, czy opony są w porządku i maska jest dobrze zamknięta.

But that version can feel less clear or less balanced. Repeating czy is a neat, natural way to show that both parts are separate indirect yes/no checks.

Opony is the nominative plural form of opona, meaning tire.

In the clause:

• opony są w porządku

opony is the subject, so nominative is required.

Breakdown:

• opona = one tire
• opony = tires

And because the subject is plural, the verb is also plural:

• opony są = the tires are

Compare:

• Opona jest w porządku = The tire is OK
• Opony są w porządku = The tires are OK

W porządku is a very common Polish expression meaning:

• OK
• all right
• fine
• in order

In this sentence:

• opony są w porządku = the tires are OK / in good order

It can be used for objects, situations, and people depending on context. It is partly idiomatic, so it is best learned as a set phrase.

Examples:

• Wszystko w porządku? = Everything OK?
• Samochód jest w porządku. = The car is fine.
• To jest w porządku. = That’s OK.

So yes, it comes from the idea of in order, but in everyday Polish it often just means OK.

Literally, maska often does mean mask, but in car vocabulary it means hood or bonnet.

So in this sentence:

• maska jest dobrze zamknięta = the hood is properly closed

This is a good example of a word that has multiple meanings depending on context. Since the sentence is about checking a car, maska is clearly the car part.

Other car-related words to compare:

• drzwi = door(s)
• bagażnik = trunk / boot
• szyba = window / pane
• opony = tires
• maska = hood / bonnet

Zamknięta is a past passive participle used adjectivally, agreeing with maska.

Breakdown:

• maska is feminine singular
• so the participle must also be feminine singular
• therefore: zamknięta

This structure means:

• is closed
• is properly closed
• more literally, is well closed

So:

• maska jest dobrze zamknięta

consists of:

• maska = hood
• jest = is
• dobrze = well / properly
• zamknięta = closed

Compare the agreement:

• drzwi są dobrze zamknięte = the doors are properly closed
• bagażnik jest dobrze zamknięty = the trunk is properly closed
• maska jest dobrze zamknięta = the hood is properly closed

Because dobrze is an adverb, and it modifies zamknięta in the sense of properly / well closed.

• dobrze zamknięta = well/properly closed

You need an adverb here because you are describing how the hood is closed.

Compare:

• dobra maska = a good hood
  Here dobra is an adjective describing the noun maska.

• maska jest dobrze zamknięta = the hood is properly closed
  Here dobrze describes the state or manner of being closed.

This is similar to English:

• a good door
• the door is well closed

Polish often omits subject pronouns when the verb ending already makes the subject clear.

Here:

• sprawdzam already means I check

So adding ja is usually unnecessary:

• Rano sprawdzam... = natural
• Ja rano sprawdzam... = possible, but more emphatic

You would use ja only if you want contrast or emphasis, for example:

• Ja rano sprawdzam opony, a on tylko wsiada do samochodu.
  I check the tires in the morning, and he just gets into the car.

So the missing I is completely normal in Polish.

Not completely. Polish word order is more flexible than English, although some orders sound more natural than others.

The original sentence:

• Rano sprawdzam, czy opony są w porządku i czy maska jest dobrze zamknięta.

is very natural.

You could also say:

• Sprawdzam rano, czy opony są w porządku i czy maska jest dobrze zamknięta.

This still means basically the same thing, but the focus shifts slightly. Starting with Rano highlights the time first.

Polish word order often changes for emphasis, topic, or style, but the grammar stays clear because endings do a lot of the work.

Yes, in this sentence czy can often be translated as if in English:

• I check if the tires are OK...

But for learning Polish, it is often safer to think of czy as whether in this kind of structure, because that matches the grammar more closely.

So:

• sprawdzam, czy... = I check whether...

This helps avoid confusion with English if used for conditions:

• If it rains, I stay home = conditional if
• I don’t know if he is coming = indirect-question if

Polish usually keeps these ideas separate more clearly:

• jeśli / gdyby for conditions
• czy for indirect yes/no questions

A rough pronunciation guide:

• Rano ≈ RAH-no
• sprawdzam ≈ SPRAHV-jam or SPRAHF-jam
• czy ≈ chi with a hard Polish cz sound, like ch in chop
• opony ≈ oh-POH-nih
• są ≈ something like sow̃ with a nasal vowel
• w porządku ≈ f po-ZHOND-koo
• maska ≈ MAHS-ka
• jest ≈ yest
• dobrze ≈ DOB-zhe
• zamknięta ≈ zam-KNYEN-ta

A natural rhythm would be:

RA-no SPRAW-dzam, czy o-PO-ny są w po-RZĄD-ku i czy MA-ska jest DOB-rze zam-KNIĘ-ta.

A couple of important pronunciation notes:

• czy has the Polish cz sound, not an English z or s
• rz in porządku sounds like zh
• ę and ą are nasal vowels, though in real speech they often sound less fully nasal than in careful dictionary pronunciation

Yes, you could say:

• Rano sprawdzam opony i maskę.

That means:

• In the morning I check the tires and the hood.

But it is less specific. The original sentence tells you exactly what you are checking about them:

• whether the tires are OK
• whether the hood is properly closed

So the full sentence is more detailed:

• sprawdzam opony i maskę = I check the tires and the hood
• sprawdzam, czy opony są w porządku i czy maska jest dobrze zamknięta = I check whether the tires are OK and whether the hood is properly closed

The longer version is useful when you want to express the result or condition you are verifying.