Вона відкриває файл і кладе папір у принтер.

Yes. Ukrainian often drops subject pronouns when the subject is already clear from the verb or the context.

So both of these are possible:

• Вона відкриває файл і кладе папір у принтер.
• Відкриває файл і кладе папір у принтер.

Including вона makes the subject explicit: she.
Leaving it out sounds more natural in many contexts if everyone already knows who is being talked about.

Both are present tense, 3rd person singular:

• вона відкриває = she opens / she is opening
• вона кладе = she puts / she is putting

In Ukrainian, the present tense can often cover both:

• a general/habitual meaning: she opens
• an action happening now: she is opening

The exact meaning depends on context.

Because they come from different verb patterns.

• відкривати → відкриває
• класти → кладе

Ukrainian verbs do not all conjugate the same way, so different infinitives produce different present-tense endings.

Here are the full forms:

відкривати

• я відкриваю
• ти відкриваєш
• він/вона відкриває
• ми відкриваємо
• ви відкриваєте
• вони відкривають

класти

• я кладу
• ти кладеш
• він/вона кладе
• ми кладемо
• ви кладете
• вони кладуть

So кладе is simply the correct 3rd person singular form of класти.

In standard Ukrainian, the normal verb is класти = to put, to lay.

So:

• вона кладе = she puts
• покласти = to put (perfective, one completed act)

Forms based on ложити are generally considered nonstandard in modern standard Ukrainian. A learner should use класти / покласти.

Because it is the direct object of відкриває, so it is in the accusative case.

However, for many inanimate masculine nouns, the accusative looks the same as the nominative.

So:

• nominative: файл
• accusative: файл

That is why you do not see a visible ending change here.

For the same basic reason: it is the direct object of кладе, so it is in the accusative case.

And again, папір is an inanimate masculine noun, so the accusative singular is the same as the nominative singular:

• nominative: папір
• accusative: папір

So the form stays the same.

Because у принтер expresses motion into something.

After prepositions like у / в, Ukrainian uses different cases depending on meaning:

• у принтер = into the printer → accusative
• у принтері = in the printer → locative

So the sentence means she is putting the paper into the printer, not that the paper is already in the printer.

It is accusative singular after у because the phrase shows direction/movement:

• кладе папір у принтер = puts paper into the printer

Since принтер is an inanimate masculine noun, its accusative singular looks the same as the nominative:

• nominative: принтер
• accusative: принтер

Yes, у and в are often interchangeable. Ukrainian switches between them mostly for euphony, to make pronunciation smoother.

So both are possible in many contexts:

• у принтер
• в принтер

Here у принтер sounds natural.
Learners should know that the choice between у and в is often about sound flow, not a big meaning difference.

Usually папір means paper as a material or paper in a general sense.

In this sentence, it naturally means something like paper into the printer. In real life, English might say a sheet of paper. If Ukrainian wants to be very specific, it can say:

• аркуш паперу = a sheet of paper

So this sentence is normal, but a more explicit version could be:

• Вона кладе аркуш паперу у принтер.

Most likely, yes.

Because the sentence also mentions a printer, the most natural interpretation is:

• відкриває файл = opens a file on a computer

The word файл can have other meanings in some contexts, but here a digital file is clearly the intended one.

Because Ukrainian has no articles.

English distinguishes:

• a file
• the file

Ukrainian usually just says:

• файл

The exact meaning depends on context. So файл can mean:

• a file
• the file

Similarly:

• папір can mean paper / the paper
• принтер can mean a printer / the printer

І means and.

It connects the two actions:

• відкриває файл
• кладе папір у принтер

So the sentence describes two linked actions done by the same person:

• she opens the file
• and puts paper into the printer

Not completely. Ukrainian word order is more flexible than English because case endings help show grammatical roles.

The given sentence is a very neutral, natural order:

• Вона відкриває файл і кладе папір у принтер.

But other orders are possible for emphasis, for example:

• Файл вона відкриває і кладе папір у принтер.
• Папір вона кладе у принтер.

These alternatives may sound more marked or context-dependent. For learners, the original order is the safest and most neutral.

Yes, depending on the meaning.

The sentence uses imperfective verbs:

• відкриває from відкривати
• кладе from класти

That can describe a present action or a repeated/habitual action.

If you wanted to emphasize a completed future sequence, Ukrainian would often use perfective future forms instead, for example:

• Вона відкриє файл і покладе папір у принтер.

That means more like:

• She will open the file and put the paper into the printer.

So the original sentence is present/imperfective, while the perfective version points to completed future actions.

A helpful approximate stress guide is:

• вона́
• відкрива́є
• фа́йл
• і
• кла́де
• папі́р
• у
• при́нтер

A rough English-style approximation could be:

• voh-NAH
• veed-kree-VAH-ye
• FAHYL
• ee
• KLAH-de
• pah-PEER
• oo
• PRYN-ter

The exact sounds are, of course, Ukrainian, but this can help a beginner place the stress correctly.

Yes.

Because the verbs are present tense imperfective, the sentence can mean either:

• She is opening the file and putting paper into the printer
  or
• She opens the file and puts paper into the printer

So without more context, Ukrainian leaves both readings open. Context tells you whether it is:

• happening now
• a routine
• part of an instruction or description

Yes, it is natural and grammatical.

It sounds like a normal description of someone preparing to print something:

• Вона відкриває файл = she opens the file
• і кладе папір у принтер = and puts paper into the printer

A native speaker might omit вона if the subject is already obvious, but the full sentence is completely normal.