Saya membeli stroberi di supermarket.

Membeli is the verb beli with the meN- prefix, which often marks an active verb in formal or neutral Indonesian.

• beli = to buy / buy
• membeli = to buy, in a more complete verb form

In everyday speech, Indonesians often drop the prefix and just say:

• Saya beli stroberi di supermarket.

That sounds natural in conversation.
Saya membeli stroberi di supermarket sounds a bit more careful, standard, or written.

This is a very common beginner question.

There are two different di forms:

• di as a preposition = in, at, on

  • written separately
  • example: di supermarket = at the supermarket

• di- as a verb prefix for passive verbs

  • written attached to the verb
  • example: dibeli = bought / was bought

So:

• di supermarket ✔
• disupermarket ✘

But:

• dibeli ✔
• di beli ✘

Yes, this sentence has a very familiar word order:

• Saya = subject
• membeli = verb
• stroberi = object
• di supermarket = place

So it follows:

Subject + Verb + Object + Place

That is very similar to English:

I bought strawberries at the supermarket.

Because of that, this sentence is quite friendly for English speakers.

Yes, saya means I.

It is the most common polite/neutral first-person pronoun. It works well in many situations, especially:

• with people you do not know well
• in formal situations
• in writing
• in careful speech

A common alternative is aku, which is more casual and personal.

So you could also say:

• Aku membeli stroberi di supermarket.
• Aku beli stroberi di supermarket.

Those sound more informal.

Indonesian does not use articles the way English does.

In this sentence:

• stroberi could mean strawberries, some strawberries, or the strawberries, depending on context
• supermarket could mean the supermarket or a supermarket, depending on context

Indonesian usually leaves that information unstated unless it is important.

If needed, speakers can add words for clarity, such as:

• sebuah supermarket = a supermarket
• stroberi itu = those/the strawberries
• beberapa stroberi = several strawberries

But in normal speech, the basic noun alone is often enough.

By itself, stroberi can be singular or plural. Indonesian nouns usually do not change form for number.

So stroberi could mean:

• strawberry
• strawberries

Context tells you which meaning is intended.

If you really want to make it clearly plural, you can sometimes use reduplication:

• stroberi-stroberi

But in practice, this is often unnecessary, and with food items it is especially common to leave the noun unmarked.

No, stroberi is a loanword, ultimately from strawberry.

Indonesian has many borrowed words, especially for foods, technology, and modern life.
The spelling is adapted to Indonesian pronunciation and spelling patterns:

• English strawberry
• Indonesian stroberi

Likewise, supermarket is also a borrowed word and is very commonly understood.

Not in this sentence, unless you change the meaning.

• di supermarket = at/in the supermarket
  This tells you where the buying happened.

• ke supermarket = to the supermarket
  This shows direction or movement toward a place.

So:

• Saya membeli stroberi di supermarket. = I bought strawberries at the supermarket.
• Saya pergi ke supermarket. = I went to the supermarket.

If you use ke, the focus becomes movement, not location.

No. Indonesian verbs do not change form for tense the way English verbs do.

So membeli by itself does not specifically mean:

• buy
• bought
• will buy

The time is usually understood from context or from time words such as:

• kemarin = yesterday
• tadi = earlier
• sekarang = now
• besok = tomorrow

For example:

• Saya membeli stroberi kemarin. = I bought strawberries yesterday.
• Saya membeli stroberi sekarang. = I am buying strawberries now.

Without a time word, the sentence is neutral and context decides the time.

A simple approximate pronunciation is:

• saya ≈ SAH-yah
• membeli ≈ mem-buh-LEE
• stroberi ≈ stro-BEH-ree
• supermarket ≈ su-per-MAR-ket

A few useful notes:

• r in Indonesian is usually rolled or tapped, not the English r
• vowels are more consistent than in English
• stress is usually not as strong or dramatic as in English

So the whole sentence is roughly:

SAH-yah mem-buh-LEE stro-BEH-ree dee su-per-MAR-ket

Yes. Pasar swalayan is a more Indonesian term for supermarket.

So these both work:

• Saya membeli stroberi di supermarket.
• Saya membeli stroberi di pasar swalayan.

In daily life, many people simply say supermarket, since it is very common and widely understood. Pasar swalayan can sound a bit more formal or dictionary-like, depending on context.