Object Infixes in Swahili

In Brief

Swahili normally expresses an object pronoun inside the verb, between the tense marker and the verb stem: Ninakupenda = ni-na-ku-penda = “I love you.” The core personal object infixes are -ni- “me,” -ku- “you” (singular), -m-/-mw- “him/her,” -tu- “us,” and -wa- “you all/them.” Write the finished verb as one word, without the analytical hyphens.

Overview

An object is the person or thing affected by an action. In “She sees him,” she is the subject—the person doing the seeing—and him is the object—the person being seen. English places him after the verb as a separate word. Swahili commonly represents the same information with an object infix, also called an object marker: a short element inside the verb.

This A2 pattern builds directly on the present-tense structure learned at A1. Compare Anapenda “He/She likes” with Ananipenda “He/She likes me.” The subject marker a- still tells you who acts, -na- still marks the present tense, and the new -ni- tells you who receives the action. The same object slot is used with past, future, perfect, infinitive, and other verb forms.

For an English-speaking learner, the important change of habit is to build the Swahili verb from left to right rather than translating one separate English word at a time. “We will help them” is not a verb followed by an independent word for “them”: it is Tutawasaidia, built as tu-ta-wa-saidia.

How It Works

The basic verb pattern

For the forms in this lesson, use this template:

subject marker + tense/aspect marker + object infix + verb stem

Part	Function	Part of ninakupenda
ni-	subject: I	ni-
-na-	present tense	-na-
-ku-	object: you	-ku-
penda	verb: love/like	penda

The result is ninakupenda, written as one word. Hyphens are useful only when showing the structure. Capitalisation does not mark the boundaries: at the start of a sentence, only the first letter is capitalised.

The object infix always comes immediately before the verb stem in ordinary tense forms:

• a-li-ni-ambia → Aliniambia. “He/She told me.”
• tu-ta-wa-saidia → Tutawasaidia. “We will help them.”
• ni-me-mw-ona → Nimemwona. “I have seen him/her.”

A tense/aspect marker is the part that locates or presents the action in time, such as -na- for the present, -li- for the past, -ta- for the future, and -me- for a completed action with present relevance. Whatever marker is used, the object infix remains next to the stem.

Personal object infixes

Person referred to	Object infix	English equivalent	Example
first-person singular	-ni-	me	Ananiona. “He/She sees me.”
second-person singular	-ku-	you	Nitakupigia. “I will call you.”
third-person singular, person	-m- / -mw-	him/her	Tunamjua. “We know him/her.”
first-person plural	-tu-	us	Walitusaidia. “They helped us.”
second-person plural	-wa-	you all	Nitawauliza. “I will ask you all.”
third-person plural, people	-wa-	them	Niliwaona. “I saw them.”

Swahili does not distinguish “him” from “her” in this marker: both use -m-/-mw-. Context, a name, or an explicit noun tells you the person’s gender when it matters. Likewise, -wa- can mean either “you all” or “them”; the subject and the conversation normally make the meaning clear.

Why -m- sometimes appears as -mw-

Before most consonant-initial stems, use -m-:

• m + jua → Namjua. “I know him/her.”
• m + penda → Tunampenda. “We love him/her.”
• m + saidia → Nimemsaidia. “I have helped him/her.”

Before a vowel-initial stem, the form is commonly seen as -mw-:

• mw + ona → Ninamwona. “I see him/her.”
• mw + ambia → Ninamwambia. “I am telling him/her.”
• mw + uliza → Tutamwuliza. “We will ask him/her.”

These are not masculine and feminine alternatives. The choice reflects the sound at the beginning of the stem.

Subject and object markers can look alike

Several markers have the same shape but occupy different slots. In Tunakupenda, tu- is the subject marker “we,” while -ku- is the object marker “you.” In Anatupenda, a- means “he/she” and -tu- means “us.” Position, not shape alone, tells you the job of each piece.

Compare the direction of the action:

Swahili	Breakdown	Meaning
Ninakupenda.	ni-na-ku-penda	I love you.
Unanipenda.	u-na-ni-penda	You love me.
Tunawapenda.	tu-na-wa-penda	We love them/you all.
Wanapenda.	wa-na-penda	They love/like.

In the last form, wa- occurs at the beginning and is the subject “they.” In Tunawapenda, it occurs before the stem and is the object “them/you all.”

Using an explicit noun instead

If you name the object, a basic sentence can simply place the noun after the verb:

• Ninamwona. “I see him/her.”
• Ninamwona Amina. “I see Amina.”
• Ninaona gari. “I see a/the car.”

With people and other definite or already-known objects, Swahili often uses an object marker even when the noun is also stated. The marker links the verb to that object: Ninamwona Amina. Usage with explicit nouns depends on animacy (whether the object is a living being), definiteness, emphasis, and style, so the safest A2 rule is: use the personal marker when replacing a person with “me,” “you,” “him/her,” “us,” or “them,” and learn common verb-plus-noun patterns as complete examples.

Infinitives and forms without an ordinary tense marker

The object marker still goes directly before the stem. In an infinitive, the infinitive prefix ku- comes first:

• ku-ni-saidia → kunisaidia “to help me”
• ku-wa-ona → kuwaona “to see them”
• ku-mw-ambia → kumwambia “to tell him/her”

Notice that ku- can have two different jobs. At the beginning of kunisaidia, it marks the infinitive “to.” Inside ninakupenda, -ku- is the singular object “you.” Again, the slot reveals the meaning.

Examples in Context

Swahili	English	Note
Ninakupenda.	I love you.	-ku- = singular “you”
Aliniambia habari hizo jana.	He/She told me that news yesterday.	past -li- + -ni-
Tutawasaidia kesho.	We will help them tomorrow.	future -ta- + -wa-
Nimemwona sokoni.	I have seen him/her at the market.	-mw- before ona
Ananipigia simu kila jioni.	He/She calls me every evening.	-ni- = “me”
Unatuelewa?	Do you understand us?	-tu- = “us”
Niliwaona watoto nje.	I saw the children outside.	marker repeated with an explicit human object
Tutamwuliza mwalimu.	We will ask the teacher.	-mw- before uliza
Wanakusubiri kituoni.	They are waiting for you at the station.	subject wa-, object -ku-
Mama anatupikia chakula.	Mum is cooking food for us.	-tu- marks the beneficiary
Nataka kuwaona tena.	I want to see them again.	object marker in an infinitive
Je, aliwaandikia?	Did he/she write to you all/them?	-wa- is clarified by context
Hatukumwona jana.	We did not see him/her yesterday.	object remains before ona in a negative form
Nitamletea kitabu.	I will bring him/her a book.	-m- marks the recipient
Wanatujua vizuri.	They know us well.	subject wa-, object -tu-

An object is not always the thing physically acted on. With verbs such as -ambia “tell,” -pikia “cook for,” -letea “bring to,” and -andikia “write to/for,” the marker can identify a recipient or beneficiary—the person who receives or benefits from the action.

Common Mistakes

Putting the object pronoun after the verb

• Wrong: Ninapenda ku.
• Right: Ninakupenda.
• Why: Singular “you” is the object infix -ku-, placed before penda. It is not a separate word after the verb.

Placing the marker before the tense marker

• Wrong: Nikuanapenda.
• Right: Ninakupenda.
• Why: In an ordinary present-tense verb, the order is subject ni- + tense -na- + object -ku- + stem penda.

Confusing “me” and “I”

• Wrong: Ninanipenda for “He/She loves me.”
• Right: Ananipenda.
• Why: The first marker names the doer. Use a- for “he/she” as subject and -ni- for “me” as object. Ninanipenda instead means “I love myself” in meaning, although standard Swahili normally expresses reflexive meaning with -ji-.

Treating -m- and -mw- as gender markers

• Wrong: assuming anamwona means “she sees him” while anamjua means “she knows her.”
• Right: Anamwona and anamjua can each refer to either a man or a woman.
• Why: The following sound controls the form: -mw- before a vowel-initial stem such as ona, and -m- before a consonant-initial stem such as jua.

Reading every wa- as “they”

• Wrong: translating Tunawasaidia as “They help us.”
• Right: Tunawasaidia means “We help them/you all.”
• Why: Initial tu- marks the subject “we.” The -wa- before saidia occupies the object slot.

Writing the pieces as separate words

• Wrong: Tu ta wa saidia.
• Right: Tutawasaidia.
• Why: Subject, tense, object, and stem form one written Swahili verb. Split forms are only learning aids.

Usage Notes

Swahili speakers often use the object marker where English uses an unstressed pronoun: Nisaidie “Help me,” Nisubiri “Wait for me,” and Nitakupigia “I’ll call you.” Learning these as complete sound patterns makes conversation faster than assembling them from English word order every time.

English you hides number, but Swahili distinguishes singular object -ku- from plural -wa-. Nitakusaidia addresses one person; Nitawasaidia can address several people. Because -wa- also means “them,” context is essential.

The translation of a verb and its object may not match English word for word. For example, -pikia mtu means “cook for someone,” so Ananipikia is naturally “He/She is cooking for me.” Learn what role the marker has with each verb rather than assuming that it always corresponds to the English direct object (the person or thing directly affected).

Beyond the Basics / Advanced Use

You do not need to master the full noun-class system at A2, but you will soon meet object markers for things as well as people. Swahili nouns belong to noun classes—groups that control agreement, somewhat like grammatical categories rather than English gender. The object marker agrees with the noun class:

Noun example	Object marker	Example	Meaning
kitabu (class 7)	-ki-	Ninakisoma.	I am reading it (the book).
vitabu (class 8)	-vi-	Ninavisoma.	I am reading them (the books).
gari (class 5)	-li-	Ninaliona.	I see it (the car).
magari (class 6)	-ya-	Ninayaona.	I see them (the cars).
nyumba (class 9)	-i-	Ninaiona.	I see it (the house).
nyumba (class 10)	-zi-	Ninaziona.	I see them (the houses).

These forms show why “it” and “them” cannot be translated with one universal Swahili marker: the noun class determines the agreement.

More advanced Swahili also allows an object marker alongside an explicit noun to signal that the object is specific, known, topical, or animate. The exact distribution varies by construction and register. It is therefore more accurate to think of these elements as object agreement markers, not simply mechanical replacements for English pronouns.

Normally there is one object-marker slot. Verbs with more than one participant often mark one participant inside the verb and state another as a noun: Nitamletea Asha kitabu “I will bring Asha a book.” More complex combinations and lexicalised forms are best learned after you are comfortable with ordinary single-marker verbs.

Finally, the reflexive marker -ji- uses the same position but means that the subject acts on itself: Anajiona “He/She sees himself/herself.” Unlike the personal object markers, -ji- does not change for person or number. This is the natural next extension of the pattern.

Practice Tips

1. Build four-part chains. Take one stem, such as penda, and say the parts aloud before joining them: ni-na-ku-penda, a-li-ni-penda, tu-ta-wa-penda. Then write ninakupenda, alinipenda, and tutawapenda as single words.
2. Reverse the participants. Turn Ninakupenda “I love you” into Unanipenda “You love me.” Do the same with Anatupigia and Tunampigia. This trains you to distinguish the subject slot from the object slot.
3. Listen for the syllable before the stem. In speech, identify -ni-, -ku-, -tu-, or -wa- immediately before a familiar verb. Start with common chunks such as nisaidie, nitakupigia, ananijua, and tunawaona.

Related Concepts

• Prerequisite: Present Tense (-na-) — introduces the subject + tense + verb structure into which the object marker is inserted.
• Next step: Reflexive Prefix (-ji-) — uses the same pre-stem slot when the subject acts on itself.