На рынке мама купила капусту и свёклу для борща.

На рынке means at the market or in the market in this context.

• на can mean on, at, or in, depending on the expression.
• After на when talking about location, Russian uses the prepositional case.
• рынок becomes рынке in the prepositional case.

So:

• рынок = market
• на рынке = at the market

This is a very common fixed expression in Russian.

Мама is the subject of the sentence, so it stays in the nominative case.

• мама = mom / mother
• She is the person doing the action: she bought something.

So:

• мама купила = mom bought

If you said маму, that would usually be the accusative case, meaning mom is the object, not the subject.

Russian past tense agrees with the subject in gender and number.

The verb here is купить = to buy.
Past tense forms include:

• купил = he bought
• купила = she bought
• купило = it bought
• купили = they bought

Since мама is feminine, the sentence uses купила.

They are the direct objects of купила, so they are in the accusative case.

Dictionary forms:

• капуста = cabbage
• свёкла = beetroot / beet

Accusative singular forms:

• капусту
• свёклу

For many feminine nouns ending in -а, the accusative singular changes -а to -у.

So:

• купила капусту и свёклу = bought cabbage and beetroot

The preposition для means for, and it requires the genitive case.

• Dictionary form: борщ
• Genitive singular: борща

So:

• для борща = for borscht

This is a rule worth memorizing:

• для + genitive

Examples:

• для мамы = for mom
• для супа = for soup
• для борща = for borscht

Russian has no articles.

So Russian does not normally have separate words for:

• a
• an
• the

Whether something means a market, the market, cabbage, or the cabbage is understood from context.

In this sentence:

• На рынке can mean at the market or at a market
• капусту и свёклу can mean cabbage and beetroot

English needs articles; Russian does not.

Yes, Russian word order is more flexible than English because case endings show grammatical roles.

This sentence begins with На рынке to set the scene: At the market...

Other possible word orders include:

• Мама купила капусту и свёклу для борща на рынке.
• Капусту и свёклу для борща мама купила на рынке.
• Мама на рынке купила капусту и свёклу для борща.

These all mean roughly the same thing, but the emphasis changes.

In the original sentence, На рынке is placed first because it highlights where the action happened.

This is about aspect, which is very important in Russian.

• купить (perfective) = to buy, focusing on the completed result
• покупать (imperfective) = to be buying / to buy habitually / to buy in process

купила suggests a completed action: she bought the vegetables successfully.

So the sentence presents the purchase as a finished event.

If you used покупала, it would sound more like:

• she was buying
• she used to buy
• she was in the process of buying

Here, the completed action is the natural choice.

И means and.

It connects the two direct objects:

• капусту
• свёклу

So:

• капусту и свёклу = cabbage and beetroot

There is no comma before и because it is simply joining two items in a basic list.

Ё is a separate letter in Russian, and it is pronounced roughly like yo.

So:

• свёкла sounds approximately like SVYOK-la
• свёклу sounds approximately like SVYOK-loo

A few useful points:

• The stress is on ё, and ё is always stressed.
• In printed Russian, ё is sometimes written as е, but the correct pronunciation is still with yo if the word is actually свёкла.

For learners, keeping ё in mind is very helpful for pronunciation.

Yes, борщ is a very common Russian noun meaning borscht, the soup.

Grammatically here:

• dictionary form: борщ
• after для, it becomes борща (genitive singular)

So для борща literally means for borscht, or more naturally in English, for making borscht.

Russian often uses для + genitive in this way without needing an extra word like making.

Yes, very often.

In Russian, family words like мама, папа, бабушка, and so on are often used without a possessive pronoun when the meaning is obvious from context.

So мама купила... can naturally mean:

• Mom bought...
• My mom bought...

If needed, Russian can also say моя мама, but that is not always necessary.

Russian often leaves some ideas implicit when they are easy to understand from context.

In English, we might say:

• for borscht
• for the borscht
• to make borscht

In Russian, для борща is enough to show purpose. It means the cabbage and beetroot are intended for the dish.

So the sentence does not need to say for making borscht explicitly. Russian expresses that more compactly.