Mwalimu atawaonya wanafunzi wasinong’one darasani.

A useful word-for-word breakdown is:

• Mwalimu = teacher
• atawaonya = a-ta-wa-ony-a
  • a- = he/she
  • -ta- = future tense
  • -wa- = them
  • -ony- = warn
  • -a = final vowel
• wanafunzi = students
• wasinong’one = wa-si-nong’on-e
  • wa- = they
  • -si- = negative in this kind of clause
  • nong’on- = whisper
  • -e = subjunctive final vowel
• darasani = in the classroom / in class

So the overall sense is: The teacher will warn the students not to whisper in class.

Yes, in a way it does repeat it, and that is normal in Swahili.

In atawaonya, the -wa- is an object marker meaning them. Then wanafunzi names who them refers to.

So:

• atawaonya = he/she will warn them
• wanafunzi = the students

Putting both together is very natural, especially when the object is specific and animate. It is a bit like saying:

• The teacher will warn them, the students...

In good English we usually would not translate both parts separately, but in Swahili this structure is common.

Yes, you often can.

• ataonya wanafunzi = will warn students
• atawaonya wanafunzi = will warn the students / will warn them, the students

Using the object marker -wa- often makes the object feel more definite, more specific, or more discourse-known. With people, this is especially common.

So both can be grammatical, but atawaonya wanafunzi sounds very natural when talking about a particular group of students.

Because after verbs like warn, tell, order, ask, or forbid, Swahili often uses the subjunctive to express what someone should or should not do.

Here, wasinong’one means roughly:

• that they should not whisper
• not to whisper

So the structure is:

• Mwalimu atawaonya wanafunzi wasinong’one darasani
• The teacher will warn the students not to whisper in class

If you used hawatanong’ona, that would mean something more like they will not whisper, which is just a future negative statement, not the content of the warning.

wasi- is made of:

• wa- = they
• -si- = negative marker used here in the subjunctive

So wasinong’one means let them not whisper or that they should not whisper.

This is a very common pattern in Swahili:

• wasiende = that they should not go
• wasichelewe = that they should not be late
• wasiseme = that they should not speak

In this sentence, wasinong’one is the natural form after atawaonya.

That -e is a sign of the subjunctive.

The basic dictionary form is:

• nong’ona = to whisper

But in the subjunctive, the final -a usually changes to -e:

• nong’one = whisper / should whisper

Then with the negative subject prefix:

• wasinong’one = that they should not whisper

This -e ending is extremely common in Swahili subjunctive forms.

The apostrophe in ng’ affects pronunciation.

In Swahili:

• ng before a vowel usually represents a sound like ngg
• ng’ represents the sound ng by itself, like the ng in English sing

So nong’ona / nong’one has ng’, not plain ng.

This spelling helps show that the pronunciation is different.

darasa means classroom or class, depending on context.

When you add -ni, it often makes a locative form, meaning something like:

• in
• at
• to
• inside

So:

• darasa = classroom / class
• darasani = in the classroom / in class

This -ni ending is very common:

• nyumbani = at home
• shuleni = at school
• mezani = on the table / at the table

Swahili does not have articles like English a and the.

So mwalimu can mean:

• a teacher
• the teacher

The exact meaning depends on context.

In this sentence, English naturally uses the teacher, because it sounds like a specific teacher is being talked about. But Swahili itself does not mark that with a separate word.

It can mean either.

Swahili does not normally mark gender in the third person singular. So:

• a- = he or she

That means atawaonya can be:

• he will warn them
• she will warn them

You know which one is meant from context, not from the verb form itself.

The order used here is very natural:

• Mwalimu = subject
• atawaonya = main verb
• wanafunzi = object
• wasinong’one darasani = what they are being warned not to do

So the sentence flows as:

• The teacher will warn the students not to whisper in class

Swahili word order is somewhat flexible, but this version is the most straightforward and standard for learners. Keeping this order will usually sound natural and clear.