Mimi ninajifunza Kiswahili chuoni.

Mimi means “I / me.” In Swahili, the subject is already marked on the verb, so Mimi is not grammatically necessary here.

• Ninajifunza Kiswahili chuoni. = I am learning Swahili at college.
• Mimi ninajifunza Kiswahili chuoni. = I am learning Swahili at college (with extra emphasis on I).

You normally:

• Use Ninajifunza… in neutral, everyday speech.
• Add Mimi when you want to emphasize the subject, e.g. contrasting:
  • Mimi ninajifunza Kiswahili, lakini rafiki yangu anajifunza Kifaransa.
    • I am learning Swahili, but my friend is learning French.

So: Mimi is optional and adds emphasis, not basic meaning.

The ni- at the start of ninajifunza is the subject prefix for “I”. Swahili verbs almost always include a subject prefix:

• ni- = I
• u- = you (singular)
• a- = he/she
• tu- = we
• m- = you (plural)
• wa- = they

So ninajifunza breaks down as:

• ni- = I (subject)
• -na- = present tense marker
• -jifunza = learn (reflexive verb: “teach oneself” → “learn”)

In standard Swahili, you cannot drop the subject prefix on the verb, even if you also say Mimi. So:

• Mimi ninajifunza… ✅
• Ninajifunza… ✅
• Mimi jifunza… ❌ (ungrammatical)

Both can appear in learning contexts, but they’re not identical.

Ninajifunza:

• From verb kujifunza = to learn (literally “to teach oneself”).
• Focuses on the process of learning, acquiring a skill or knowledge.
• Example: Ninajifunza kupika. – I am learning to cook.

Ninasoma:

• From kusoma = to read / study / go to school.
• Often used for formal studying, reading books, being a student.
• Example: Ninasoma sheria chuoni. – I study law at the university.

In your sentence:

• Ninajifunza Kiswahili chuoni. – I am learning Swahili at college. You could also say:
• Ninasoma Kiswahili chuoni. – I study Swahili at college (more like “I’m taking Swahili as a subject”).

Both are correct; kujifunza highlights learning the language as a skill, kusoma sounds more like academic study.

In Swahili, names of many languages start with the prefix Ki-, which is a noun class marker (class 7) often used for:

• Languages
• Tools
• Some abstract things

Kiswahili literally means “the Swahili language”:

• Wa-Swahili = Swahili people (wa- = people)
• Ki-Swahili = the language of the Swahili (language of those people)

Other examples:

• Kiingereza = English (language)
• Kifaransa = French (language)
• Kihispania = Spanish (language)

In English, we usually say “Swahili” for the language, but in Swahili itself, Kiswahili is the natural form. The capital K is just normal capitalization for language names, like English, French, Kiswahili.

Chuoni = “at the college / at the university” (in a general sense).

It comes from:

• chuo = college / institute / (often) university
• -ni = locative suffix, often meaning in / at / on (location)

So:

• chuo → the institution (college/university)
• chuoni → at the college/university

Other similar examples:

• nyumba (house) → nyumbani = at home
• shule (school) → shuleni = at school
• kanisa (church) → kanisani = at church

So Mimi ninajifunza Kiswahili chuoni. literally has the idea: “I am learning Swahili at-college.”

Yes, you can say katika chuo, and it is understandable and correct, but there is a nuance:

• chuoni = at the college/university (compact, very natural)
• katika chuo = in the college (more explicitly uses a preposition)

Typical usage:

• Everyday, natural speech: chuoni
• Slightly more formal or explicit: katika chuo or katika chuo kikuu (in the university)

Examples:

• Ninajifunza Kiswahili chuoni. – I am learning Swahili at college.
• Ninajifunza Kiswahili katika chuo kikuu. – I am learning Swahili at the university.

In practice, chuoni is very common and perfectly fine.

The sentence Mimi ninajifunza Kiswahili chuoni follows the common order:

[Subject] [Verb] [Object] [Place]

• Mimi – subject
• ninajifunza – verb
• Kiswahili – object
• chuoni – place (locative)

Some variations are possible:

• Ninajifunza Kiswahili chuoni. (normal)
• Chuoni ninajifunza Kiswahili. (emphasizes at college)
• Mimi chuoni ninajifunza Kiswahili. (less common, but possible for strong emphasis and contrast)

However, the most natural and neutral version is:

• Ninajifunza Kiswahili chuoni.

The -na- is the present tense marker in Swahili.

Breakdown:

• ni- = I (subject)
• -na- = present tense (“am/are/is doing” or “do/does”)
• -jifunza = learn

So ninajifunza can translate as:

• I am learning
• I learn (habitually), depending on context.

Swahili does not use a separate verb “to be” (like am / is / are) in this kind of present-tense verb form. The tense and subject are both built into the verb itself.

Other examples:

• Ninakula. – I am eating / I eat.
• Anacheza. – He/she is playing / He/she plays.

Both are used in real speech, but grammatically they are slightly different:

• ninajifunza – full form: ni-
  • -na-
    • -jifunza
• najifunza – shortened spoken form: the i in ni- is dropped

In standard written Swahili, ninajifunza is preferred.

In informal spoken Swahili, people often say najifunza. It’s similar to English:

• I am going to → I’m gonna (in speech)

So for learning and writing:

• Use ninajifunza as your default form.

You keep the same pattern and change the place word:

• Ninajifunza Kiswahili nyumbani.
  I am learning Swahili at home.

• Ninajifunza Kiswahili shuleni.
  I am learning Swahili at school.

• Ninajifunza Kiswahili Tanzania.
  I am learning Swahili in Tanzania.
  (You could also say nchini Tanzania, literally “in the country of Tanzania.”)

Pattern: [Subject] [ninajifunza] [language] [place/locative].

Swahili handles subjects and tense inside the verb instead of with separate helper verbs like English.

In English:

• I am learning = subject I
  • verb am
    • verb learning

In Swahili:

• ninajifunza already combines subject and tense:
  • ni- = I
  • -na- = present tense
  • -jifunza = learn

So you don’t need a separate word for “am”; it is effectively built into -na- within the verb.

Approximate English-based guidance (Swahili is very phonetic, each vowel has a clear sound):

• Kiswahili: kee-swa-HEE-lee

  • Ki – like key
  • swa – like swa in swallow (but short)
  • hi – like hee
  • li – like lee

• ninajifunza: nee-na-jee-FOON-za

  • ni – nee
  • na – nah
  • ji – like jee in jeep
  • fun – foon (u like in put, but often closer to oo in many learners’ ears)
  • za – zah

• chuoni: choo-OH-nee

  • ch – like ch in church
  • uo – both vowels voiced: u-o → uoh
  • ni – nee

In Swahili, every vowel is pronounced, and stress is usually on the second-to-last syllable:

• Ki-swa-HI-li
• ni-na-ji-FU-nza
• chu-O-ni

Yes, it is fine in both, but the level of formality can be adjusted slightly:

• Neutral / polite:
  Ninajifunza Kiswahili chuoni.
  (perfectly okay almost anywhere)

• Slight emphasis (still polite):
  Mimi ninajifunza Kiswahili chuoni.
  (emphasizes that you in particular are the one learning)

• More explicitly formal (e.g. in a speech, introduction):
  Ninajifunza lugha ya Kiswahili katika chuo kikuu.
  (I am studying the Swahili language at the university.)

Your original sentence is natural and acceptable in everyday and semi-formal contexts.