Nimeweka punje za mahindi kwenye bakuli kwa ajili ya kuku.

Nimeweka is made of three parts:

• ni- = I
• -me- = a perfect marker
• weka = put / place

So nimeweka means I have put or I’ve placed.

Both can refer to the past, but they feel a little different.

• nimeweka = I have put / I’ve put
  This often suggests the action is completed and still relevant now.
• niliweka = I put
  This is a more straightforward past tense.

In this sentence, nimeweka sounds natural because the corn kernels are presumably still in the bowl now.

Punje means a grain, seed, or kernel, depending on context.

So punje za mahindi means corn kernels or grains of maize.

Za is a connector meaning of, and it has to agree with the noun before it.

So:

• punje za mahindi = kernels of corn / maize kernels

The za agrees with punje in its noun class. This kind of agreement is very common in Swahili.

Here it is plural, even though the form punje itself does not change.

You can tell from the agreement word:

• punje ya mahindi = a kernel of corn
• punje za mahindi = kernels of corn

So in this sentence, za shows that we are talking about more than one kernel.

It means both, depending on the variety of English.

• In American English, you would usually say corn
• In many other varieties of English, especially African or British contexts, maize is common

So punje za mahindi can be understood as corn kernels or maize kernels.

Kwenye is a locative word meaning something like in, on, at, or into, depending on context.

In this sentence:

• kwenye bakuli = in the bowl

Because a bowl is a container, English naturally uses in here.

Yes, you could.

• kwenye bakuli = in/on/at the bowl; very natural and common
• katika bakuli = in the bowl; also correct, a bit more formal or neutral
• ndani ya bakuli = inside the bowl; more explicit about being inside

So the original sentence is perfectly natural, but these alternatives are possible too.

Kwa ajili ya is a set phrase meaning:

• for
• for the sake of
• for the use of
• intended for

So kwa ajili ya kuku means for the chickens or for feeding the chickens.

It makes the purpose very clear: the kernels were put in the bowl for the chickens.

You sometimes can use kwa by itself for to / for / at / with, but kwa ajili ya is more explicit.

• kwa ajili ya kuku clearly means for the chickens
• kwa kuku could sound less specific or feel different depending on context

So in this sentence, kwa ajili ya is a natural way to show intended purpose.

It can mean chicken or chickens. The form often stays the same, and context tells you which is meant.

Here, kuku will usually be understood as chickens, because putting corn kernels in a bowl is something you would typically do for chickens in general.

Swahili does not use articles like English a, an, and the.

So:

• bakuli can mean a bowl or the bowl
• kuku can mean chickens or the chickens

The exact meaning comes from context.

The word order in the sentence is very natural:

• Nimeweka = verb
• punje za mahindi = object
• kwenye bakuli = location
• kwa ajili ya kuku = purpose / beneficiary

So the sentence flows as:

I have put corn kernels in the bowl for the chickens.

Swahili does allow some flexibility for emphasis, but this order is standard and easy to understand.