Karani aliweka muhuri juu ya fomu, kisha akaniuzia stempu mbili.

In Swahili, the subject is usually built into the verb. The prefix a- means he/she for a singular person.

So:

• a-li-weka = he/she put
• a-ka-ni-uzia = he/she then sold me

Because the verb already tells you the subject, Swahili often does not need a separate pronoun like yeye (he/she), unless you want extra emphasis.

Aliweka breaks down like this:

• a- = he/she
• -li- = past tense
• weka = put, place

So aliweka literally means he/she put or he/she placed.

Because Swahili often uses a general verb plus a noun where English prefers a more specific verb.

• kuweka = to put/place
• muhuri = seal, stamp

So kuweka muhuri literally means to put a seal/stamp, but in natural English we usually say to stamp or to seal a document.

This is very common in Swahili: a phrase may be more literal word-for-word, but the best English translation is a single verb.

Both can relate to the English word stamp, but they mean different things.

• muhuri = an official seal or stamp impression, like the mark put on a document
• stempu = a postage stamp

So in this sentence:

• aliweka muhuri juu ya fomu = the clerk stamped/sealed the form
• akaniuzia stempu mbili = then he sold me two postage stamps

That distinction is important, because English uses stamp for both ideas, but Swahili separates them.

Juu ya literally means on top of, on, or sometimes above/over, depending on context.

Here it means on the surface of the form, so:

• juu ya fomu = on the form

The ya is part of a linking structure that connects juu with the following noun.

So even though the phrase is literally something like the top/surface of the form, the natural English translation here is simply on the form.

Kisha means then, after that, or next.

It shows that the second action happened after the first one:

1. the clerk stamped the form
2. kisha = then
3. he sold me two stamps

It is a very common word in narration and sequencing.

The -ka- is a narrative or consecutive marker. In simple terms, it often means something like:

• and then
• next
• so then

So akaniuzia carries the idea and then he sold me...

This is why the sentence has a strong sequence of events. Even though kisha already means then, Swahili often uses both kisha and -ka- together quite naturally in storytelling or narration.

Because Swahili commonly puts object pronouns inside the verb.

Here:

• ni = me

So akaniuzia includes the idea sold me directly in the verb.

Breakdown:

• a- = he/she
• -ka- = then
• -ni- = me
• -uzia = sell to/for

So the whole word means he/she then sold to me.

The basic verb is:

• uza = sell

When Swahili adds -ia, it often gives the verb a meaning like to/for someone.

So:

• uza = sell
• uzia = sell to someone / sell for someone

That is why:

• akauza stempu = he then sold stamps
• akaniuzia stempu = he then sold me stamps / sold stamps to me

This -ia ending is very useful in Swahili and appears in many verbs.

Many borrowed nouns in Swahili keep the same form in singular and plural, and stempu is one of them.

So you can have:

• stempu moja = one stamp
• stempu mbili = two stamps

The noun itself stays stempu, and the number tells you whether it is singular or plural.

Also, in Swahili the usual order is:

• noun + number

So stempu mbili is literally stamps two, but in natural English it means two stamps.

Swahili does not have articles like a, an, and the.

So words like:

• karani
• muhuri
• fomu
• stempu

do not automatically include a or the. The exact English choice depends on context.

For example, karani could be translated as:

• a clerk
• the clerk

In your sentence, the context or the provided meaning tells you which English article sounds best.