A2 Verb Forms 1 min read سهل

The Second Person Object Infix -ku-

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Grammar Rule in 30 Seconds

The -ku- infix is used to indicate that the action of the verb is being done to 'you' (singular).

  • Place -ku- directly before the verb root: Nakupenda (I love you).
  • It only refers to the second person singular (one 'you').
  • If the verb starts with a vowel, -ku- remains unchanged.
Subject + Tense + ku (Object) + Verb Root

Present Tense Conjugation

Subject Tense Object Verb Full Word
Ni
na
ku
penda
Nakupenda
Ni
na
ku
ona
Nakuona
Ni
na
ku
saidia
Nakusaidia
Ni
na
ku
pa
Nakupa
Ni
na
ku
sikia
Nakusikia
Ni
na
ku
subiri
Nakusubiri

Meanings

The -ku- infix functions as the direct object marker for the second person singular pronoun 'wewe'. It is inserted into the verb structure to show that the action is directed toward the listener.

1

Direct Object

Targeting the second person singular as the recipient of the action.

“Nakusaidia (I am helping you).”

“Nakuona (I see you).”

Reference Table

Reference table for The Second Person Object Infix -ku-
Form Structure Example
Affirmative
ni-na-ku-verb
Nakupenda
Negative
si-ku-verb-i
Sikupendi
Question
Je, ni-na-ku-verb?
Je, nakupenda?
Past
ni-li-ku-verb
Nilikupenda
Future
ni-ta-ku-verb
Nitakupenda
Imperative
Verb-a-ku
Nakupenda (not applicable)

طيف الرسمية

رسمي
Nakupenda sana.

Nakupenda sana. (Romantic)

محايد
Nakupenda.

Nakupenda. (Romantic)

غير رسمي
Nakupenda!

Nakupenda! (Romantic)

عامية
Nakupenda, mpenzi.

Nakupenda, mpenzi. (Romantic)

Singular vs Plural Object

Singular (You)
Nakupenda I love you
Plural (You all)
Nawapenda I love you all

أمثلة حسب المستوى

1

Nakupenda.

I love you.

2

Nakuona.

I see you.

3

Nakupa.

I give you.

4

Nakusikia.

I hear you.

1

Nakusaidia kazi.

I am helping you with work.

2

Sikupendi.

I do not love you.

3

Nakusubiri hapa.

I am waiting for you here.

4

Nakupigia simu.

I am calling you.

1

Je, nakusumbua?

Am I bothering you?

2

Nakukumbuka sana.

I miss you very much.

3

Nakualika kwenye sherehe.

I am inviting you to the party.

4

Nakutafuta kila mahali.

I am looking for you everywhere.

1

Nakushauri uende nyumbani.

I advise you to go home.

2

Nakukataa ombi lako.

I am rejecting your request.

3

Nakutakia kila la kheri.

I wish you all the best.

4

Nakukumbusha kuhusu mkutano.

I am reminding you about the meeting.

1

Nakushangaa kwa ujasiri wako.

I am surprised by your courage.

2

Nakukabidhi jukumu hili.

I am entrusting this responsibility to you.

3

Nakuthamini kama rafiki.

I value you as a friend.

4

Nakuhakikishia kuwa yote ni sawa.

I assure you that everything is fine.

1

Nakudharau kwa matendo yako.

I despise you for your actions.

2

Nakukumbatia kwa upendo.

I embrace you with love.

3

Nakutabiria mema.

I predict good things for you.

4

Nakukiri kuwa wewe ni bora.

I acknowledge to you that you are the best.

سهل الخلط

The Second Person Object Infix -ku- مقابل Infinitive ku- vs Object -ku-

Both look like 'ku'.

The Second Person Object Infix -ku- مقابل -ku- vs -wa-

Both are object markers.

The Second Person Object Infix -ku- مقابل Subject vs Object

Mixing up prefixes.

أخطاء شائعة

✗

Mimi nakupenda wewe

✓

Nakupenda

The pronoun is redundant.
✗

Nakupenda wewe

✓

Nakupenda

Redundant pronoun.
✗

Naku penda

✓

Nakupenda

Should be one word.
✗

Nakupenda ninyi

✓

Nawapenda

Wrong object marker for plural.
✗

Nakupenda-i

✓

Sikupendi

Incorrect negative formation.
✗

Naku-penda

✓

Nakupenda

No hyphen needed.
✗

Nakupenda yeye

✓

Nampenda

Wrong object marker for him/her.
✗

Nakukula

✓

Nakula

Confusing object marker with infinitive.
✗

Nakupenda kwa wewe

✓

Nakupenda

Incorrect preposition usage.
✗

Nakupenda sana wewe

✓

Nakupenda sana

Redundant pronoun.

أنماط الجُمل

Ni-na-ku-___

Si-ku-___-i

Ni-li-ku-___

Ni-ta-ku-___

Real World Usage

Texting constant

Nakupenda ❤️

Social Media very common

Nakuona!

Job Interview occasional

Nakushukuru.

Travel common

Nakusubiri hapa.

Food Delivery occasional

Nakupa pesa.

Phone Call very common

Nakusikia vizuri.

💡

Check the count

Always check if you are talking to one person or many. -ku- is for one, -wa- is for many.
⚠️

Don't use pronouns

Don't say 'Mimi nakupenda wewe'. Just 'Nakupenda' is enough.
🎯

Negative forms

Remember that negative forms often end in -i.
💬

Be polite

Using -ku- is very direct. In formal settings, use polite forms.

Smart Tips

Always use -ku- inside the verb.

Mimi napenda wewe. → Nakupenda.

Switch -ku- to -wa-.

Nakupenda ninyi. → Nawapenda.

Change the final vowel to -i.

Sikupenda. → Sikupendi.

It's likely an infinitive, not an object.

Nakukula (I am eating you). → Nakula (I am eating).

النطق

na-ku-PEN-da

Stress

Stress is always on the penultimate syllable.

Statement

Nakupenda ↘

Declarative

Question

Nakupenda? ↗

Interrogative

احفظها

وسيلة تذكّر

Ku is for 'K-you'. Think of the K in 'K-you' to remember it targets one person.

ربط بصري

Imagine pointing your finger at one person. The finger shape looks like a K. That's your -ku-.

Rhyme

When you want to say 'you' to a friend, put -ku- in the middle until the end.

Story

Juma is writing a letter. He wants to say he loves his friend. He writes 'Nakupenda'. He realizes he is talking to one person, so he uses -ku-. If he were writing to his whole family, he would use -wa-.

Word Web

NakupendaNakuonaNakusaidiaNakupaNakusikiaNakusubiri

تحدٍّ

Write 5 sentences using -ku- and read them aloud to a mirror.

ملاحظات ثقافية

Using -ku- is very common in daily life. It shows closeness.

Often used in Sheng (slang) mixed with English.

More formal usage is preferred in older generations.

The -ku- infix comes from Proto-Bantu *ku-.

بدايات محادثة

“

Nakusaidia nini?

“

Nakuona wapi?

“

Nakusubiri saa ngapi?

“

Nakushauri nini kuhusu kazi?

مواضيع للكتابة اليومية

Write about a friend you love.
Write about helping a family member.
Write about waiting for someone.
Write about giving advice to a friend.

أخطاء شائعة

Incorrect

صحيح

Incorrect

صحيح

Incorrect

صحيح

Incorrect

صحيح

Test Yourself

Fill in the blank.

Ni___penda (I love you)

✓ Correct! ✗ Not quite. Correct answer: ku
-ku- is the object marker.
Choose the correct sentence. اختيار متعدد

Which is correct?

✓ Correct! ✗ Not quite. Correct answer: Nakupenda
No redundant pronouns.
Correct the sentence. Error Correction

Find and fix the mistake:

Nakupenda ninyi

✓ Correct! ✗ Not quite. Correct answer: Nawapenda
-wa- is for plural.
Make negative. Sentence Transformation

Nakupenda

✓ Correct! ✗ Not quite. Correct answer: Sikupendi
Negative ends in -i.
Is this true? True False Rule

-ku- is for plural objects.

✓ Correct! ✗ Not quite. Correct answer: False
-ku- is for singular.
Complete the dialogue. Dialogue Completion

A: Nakusaidia? B: ___

✓ Correct! ✗ Not quite. Correct answer: Ndiyo, nisaidie
Contextual response.
Build the sentence. Sentence Building

I / am / you / helping

✓ Correct! ✗ Not quite. Correct answer: Nakusaidia
Correct order.
Sort the parts. Grammar Sorting

Ni + na + ku + penda

✓ Correct! ✗ Not quite. Correct answer: Nakupenda
Correct agglutination.

Score: /8

تمارين تطبيقية

8 exercises
Fill in the blank.

Ni___penda (I love you)

✓ Correct! ✗ Not quite. Correct answer: ku
-ku- is the object marker.
Choose the correct sentence. اختيار متعدد

Which is correct?

✓ Correct! ✗ Not quite. Correct answer: Nakupenda
No redundant pronouns.
Correct the sentence. Error Correction

Find and fix the mistake:

Nakupenda ninyi

✓ Correct! ✗ Not quite. Correct answer: Nawapenda
-wa- is for plural.
Make negative. Sentence Transformation

Nakupenda

✓ Correct! ✗ Not quite. Correct answer: Sikupendi
Negative ends in -i.
Is this true? True False Rule

-ku- is for plural objects.

✓ Correct! ✗ Not quite. Correct answer: False
-ku- is for singular.
Complete the dialogue. Dialogue Completion

A: Nakusaidia? B: ___

✓ Correct! ✗ Not quite. Correct answer: Ndiyo, nisaidie
Contextual response.
Build the sentence. Sentence Building

I / am / you / helping

✓ Correct! ✗ Not quite. Correct answer: Nakusaidia
Correct order.
Sort the parts. Grammar Sorting

Ni + na + ku + penda

✓ Correct! ✗ Not quite. Correct answer: Nakupenda
Correct agglutination.

Score: /8

الأسئلة الشائعة (8)

It means 'you' (singular) as a direct object.

It goes after the tense marker and before the verb root.

No, use -wa- for plural.

Yes, whenever the object is 'you'.

Spanish uses separate words; Swahili uses infixes.

No, it is standard.

The -ku- remains the same.

Use 'si-' and end with '-i'.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Spanish partial

Te

Spanish 'te' is a separate word; Swahili '-ku-' is an infix.

French partial

Te

French 'te' is a separate word; Swahili '-ku-' is an infix.

German low

Dich

German uses a separate pronoun; Swahili uses an infix.

Japanese low

Anata o

Japanese uses particles; Swahili uses verb morphology.

Arabic moderate

Ka/Ki

Arabic uses suffixes; Swahili uses infixes.

Chinese none

Ni

Chinese has no verb conjugation; Swahili is highly agglutinative.

Learning Path

Prerequisites

Previous
The First Person Object Infix -ni-
Next
The Third Person Object Infix -m-

Related Grammar Rules

A2

The First Person Object Infix -ni-
A2

The Third Person Object Infix -m-
B1

The Applicative Extension -ia/-ea
A2

Expressing Possession with 'Kuwa na'

Overview Ever wondered how to say "I have" in Swahili? It is simpler than you think. Swahili uses a very logical approa...
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