Я купую батон у пекарні біля дому.

Yes. Ukrainian often drops subject pronouns when the verb already makes the subject clear.

• Я купую батон у пекарні біля дому. = I am buying / I buy a loaf at the bakery near home.
• Купую батон у пекарні біля дому. means the same in many contexts.

The pronoun я is usually kept for:

• emphasis: I am buying it
• contrast: Я купую, а не він
• clarity in some contexts

So in this sentence, я is correct, but not always necessary.

Купую is the 1st person singular present tense form of купувати (to buy, imperfective).

So:

• я купую = I buy / I am buying

This present tense can mean either:

• something happening right now
• something habitual or repeated

The exact meaning depends on context.

Because купую and куплю belong to different aspect systems.

• купувати → imperfective → купую
• купити → perfective → куплю

Very roughly:

• купую = I am buying / I buy
• куплю = I will buy

In Ukrainian, the perfective present often has a future meaning. So:

• Я купую батон = I’m buying / I buy a loaf
• Я куплю батон = I will buy a loaf

Not exactly. Батон is a specific kind of loaf, usually a long white loaf of bread.

So:

• хліб = bread in general
• батон = a loaf, especially a white loaf of a common everyday type

This is a very common word in Ukrainian and other East Slavic contexts, but it does not mean an English baton.

Батон is the direct object, so it is in the accusative case.

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

So:

• nominative: батон
• accusative: батон

That is why the form does not change.

If it were a feminine noun, you would often see a different ending:

• я купую книжку = I am buying a book

Because у here means in / at, and after that meaning, the noun usually goes into the locative case.

The base form is:

• пекарня = bakery

Locative singular:

• у пекарні = in / at the bakery

So the ending changes because the preposition requires a different case.

У and в usually mean the same thing here. Ukrainian often chooses between them for ease of pronunciation and smoother sound.

So both can often work:

• у пекарні
• в пекарні

Speakers choose whichever sounds better in the sentence. In your example, у пекарні sounds natural after батон.

It is the locative singular.

The dictionary form is:

• пекарня

After у / в meaning in / at, it becomes:

• у пекарні

This is a very common pattern for many feminine nouns ending in -я.

Because біля (near, by) requires the genitive case.

The noun is:

• дім = house, home

After біля, it becomes:

• біля дому = near the house / near home

So the form changes because the preposition controls the case.

It can suggest either, depending on context.

• дім literally means house or home
• біля дому can mean near the house or more naturally in some contexts near home

In this sentence, English might translate it idiomatically as:

• at the bakery near my home or
• at the bakery near the house

Ukrainian often does not need a possessive like my if the meaning is already obvious from context.

Because Ukrainian does not always state possession when it is obvious.

So:

• біля дому can naturally mean near the house or near home
• if you want to be explicit, you can say біля мого дому = near my house/home

Both are possible. The shorter version often sounds perfectly natural.

This word order is fairly neutral and natural:

• Я купую батон у пекарні біля дому.

Ukrainian word order is more flexible than English because cases show grammatical roles. That means you can move parts around for emphasis.

For example:

• У пекарні біля дому я купую батон. = At the bakery near home, I buy a loaf.
• Батон я купую у пекарні біля дому. = It’s a loaf that I buy at the bakery near home.

The basic meaning stays similar, but the emphasis changes.

It can mean either.

The Ukrainian present tense often covers both:

• habitual: I buy a loaf at the bakery near home
• right now: I’m buying a loaf at the bakery near home

Context tells you which meaning is intended.

If you wanted to make the right now meaning clearer, you might add a time word or use context:

• Зараз я купую батон... = Right now I’m buying a loaf...

Yes. Пекарня usually means a bakery, either:

• the place where bread is baked
• the bakery shop where it is sold

In everyday use, it often works just like English bakery.

Not perfectly. A very literal breakdown is:

• Я = I
• купую = buy / am buying
• батон = a loaf
• у пекарні = in / at the bakery
• біля дому = near the house / near home

But natural English would usually be something like:

• I’m buying a loaf at the bakery near home.
• I buy a loaf at the bakery near my house.

So the structure is similar, but the most natural English wording may vary.

A learner may hear these stressed syllables:

• Я купУю батОн у пекАрні біля дОму.

Approximate stresses:

• купУю
• батОн
• пекАрні
• дОму

Stress is important in Ukrainian and is not always predictable, so it is worth learning words together with their stress.