Sokoni, tulinunua tikitimaji kubwa na matango mawili kwa saladi.

Because the ending -ni often marks a location in Swahili. So:

• soko = market
• sokoni = at/in the market

In this sentence, Sokoni tells us where the action happened.

Swahili often moves location words to the front for emphasis or to set the scene, much like English At the market, we bought...

So:

• Sokoni, tulinunua... = At the market, we bought...

It is not the only possible order. You could also say:

• Tulinunua tikitimaji kubwa na matango mawili sokoni.

That would still be grammatical.

Tulinunua can be broken down like this:

• tu- = we
• -li- = past tense
• -nunua = buy

So tulinunua means we bought.

This is very common in Swahili: the subject and tense are built directly into the verb.

Because in Swahili, the subject is usually included in the verb itself.

So instead of saying something like we bought, Swahili says:

• tu- = we
• tulinunua = we bought

You can add a separate pronoun like sisi for emphasis, but it is not necessary:

• Sisi tulinunua... = We bought... / It was we who bought...

In Swahili, adjectives usually come after the noun they describe.

So:

• tikitimaji kubwa = big watermelon

not the other way around.

This is one of the most important word-order differences from English.

Because adjective agreement depends on the noun class of the noun.

Tikitimaji belongs to a noun class where -kubwa appears as kubwa. So:

• tikitimaji kubwa = big watermelon

Not all adjectives look the same in all noun classes. For example, with another noun class you might see forms like:

• kikombe kikubwa = big cup
• mtoto mkubwa = big/older child

So the form of the adjective changes depending on the noun.

Because numbers in Swahili often agree with the noun class of the noun they describe.

• tango = cucumber
• matango = cucumbers

Since matango is plural in its noun class, two becomes mawili, not mbili.

So:

• matango mawili = two cucumbers

This is noun-class agreement.

The singular is:

• tango moja = one cucumber

Then the plural is:

• matango mawili = two cucumbers

So:

• tango → singular
• matango → plural

This is a common singular/plural pattern in Swahili noun classes.

Here na means and:

• tikitimaji kubwa na matango mawili = a big watermelon and two cucumbers

The word na can also mean with in other contexts, so learners often notice that it has more than one use. In this sentence, it is simply linking two items in a list.

Kwa saladi means for salad.

Here kwa expresses purpose or intended use:

• kwa saladi = for salad

So the idea is that the things were bought to be used in making a salad.

Because kwa is the natural choice here when you want to say for in the sense of intended for or to be used for.

• kwa saladi = for salad

If you used ya, that would usually suggest possession or association, not purpose. So kwa is the better choice for expressing use.

Swahili does not normally use articles like English does.

So:

• tikitimaji kubwa can mean a big watermelon or the big watermelon
• matango mawili can mean two cucumbers or the two cucumbers

The exact meaning depends on context.

Here tikitimaji is singular: watermelon.

If you wanted the plural, you would normally say:

• matikitimaji = watermelons

So in this sentence:

• tikitimaji kubwa = one big watermelon

Yes. If the location is not important or is already understood, you could simply say:

• Tulinunua tikitimaji kubwa na matango mawili kwa saladi.

That means We bought a big watermelon and two cucumbers for salad.

Adding Sokoni just gives extra information about where it happened.

In writing, the comma is helpful because Sokoni is a fronted location phrase, like English At the market, ...

So the comma makes the sentence easier to read. In speech, you would usually hear a short pause there. It is mainly a punctuation choice, not a grammar issue that changes the meaning.

Yes. You could say:

• Tulinunua matango mawili na tikitimaji kubwa kwa saladi.

That would mean essentially the same thing, just with the cucumbers mentioned first.

Swahili allows some flexibility in word order, especially with lists like this, as long as the relationships remain clear.

There are two very useful patterns here:

• tikitimaji kubwa = big watermelon
• matango mawili = two cucumbers

These show two important rules:

1. Adjectives usually come after the noun.
2. Adjectives and numbers often agree with the noun class.

So this sentence is a good example of both word order and agreement.

A learner would probably want to remember these key ideas:

• -ni can mark location: sokoni = at the market
• Swahili verbs often include the subject and tense: tulinunua = we bought
• Adjectives come after nouns: tikitimaji kubwa
• Numbers agree with noun classes: matango mawili
• kwa can show purpose: kwa saladi
• Swahili usually does not use a/an/the

So even though the sentence is short, it contains several very common Swahili patterns.