Grammar Rule in 30 Seconds
Use the -ja- infix to express that an action has not happened yet, but is expected to occur.
- Replace the tense marker with -ja- for negative perfective: 'Sijala' (I haven't eaten yet).
- The subject prefix always comes before the -ja- marker.
- This tense specifically implies that the action is still pending or expected.
Overview
-ja- tense. It is the negative version of the -me- tense. While -me- says I have done it,
-ja- says "I haven't done it yet." It is all about expectations.not yet marker.How This Grammar Works
-me- marker. When you want to turn I have eaten into "I haven't eaten yet," you swap markers. But there is a catch.a to an i.-ja- tense is much friendlier. It lets the verb root stay exactly as it is.-ja- marker, and the verb. It is like building a Lego set with only three pieces.
Formation Pattern
Ni becomes Si (I)
U becomes Hu (You)
A becomes Ha (He/She)
Tu becomes Hatu (We)
M becomes Hamu (You all)
Wa becomes Hawa (They)
-ja- right after the prefix.
Si + ja + la (eat) = Sijala (I haven't eaten yet).
When To Use It
Sijatumia programu hiyo (I haven't used that program yet). It sounds much better than saying you just don't do it.- You are checking if a friend arrived:
Hujafika?(You haven't arrived yet?) - You are waiting for food at a restaurant:
Chakula hakijaja(The food hasn't come yet). - You are talking about a movie you plan to see:
Hatujatazama filamu hiyo(We haven't watched that movie yet). - You are tracking your progress on a task:
Sijamaliza(I haven't finished yet).
When Not To Use It
-ja- for things that are simply in the past and finished. If you didn't go to the market yesterday and don't plan to, use the -ku- tense. -ja- implies the possibility of the action happening later.Sijala nyama. That sounds like you are just about to take a bite of a steak! Instead, use the simple present negative: Sili nyama.
Common Mistakes
Nijafika. This sounds like a weird alien language to native speakers. You must use Si-, not Ni-.i. You might be used to the present tense Sili (I am not eating). You might accidentally say Sijali. But Sijali actually means "I don't care" in Swahili! That could lead to a very awkward dinner conversation. Keep that final a where it belongs.Contrast With Similar Patterns
Let’s look at -ja- versus -ku-. This is the classic A2 showdown.
Sikula means I did not eat.The event is over. The door is closed.
Sijala means "I haven't eaten yet." You are probably hungry. The door is open.Think of -ku- as a period at the end of a sentence. Think of -ja- as an ellipsis (...). One is a hard no, and the other is a not right now.
Quick FAQ
Can I use the word bado with this?
Yes! Bado means not yet or still. It is the perfect partner for -ja-.
Does this work for all verb types?
Yes, even for monosyllabic verbs like kuja or kula. You usually keep the ku- with -me-, but with -ja-, you often drop it. Sijala is more common than Sijakula.
Is it formal or informal?
It is both! You will hear it in the street and read it in newspapers. It is a universal tool for your Swahili belt.
Negation of Perfective Aspect
| Subject | Negative Prefix | Infix | Verb Root | Full Form |
|---|---|---|---|---|
|
I
|
si
|
ja
|
fika
|
Sijafika
|
|
You (sg)
|
hu
|
ja
|
fika
|
Hujafika
|
|
He/She
|
ha
|
ja
|
fika
|
Hajafika
|
|
We
|
hatu
|
ja
|
fika
|
Hatujafika
|
|
You (pl)
|
hamu
|
ja
|
fika
|
Hamujafika
|
|
They
|
hawa
|
ja
|
fika
|
Hawajafika
|
Meanings
The -ja- tense indicates that an action has not yet been completed, implying a future expectation.
Pending Action
Expressing that an event is anticipated but hasn't occurred.
“Sijasoma kitabu hiki.”
“Hajapika chakula.”
State of Readiness
Describing a state of non-readiness or non-completion.
“Gari halijaanza.”
“Mvua haijanyesha.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Subj + li + Verb
|
Nimefika
|
|
Negative
|
Subj + ja + Verb
|
Sijafika
|
|
Question
|
Subj + ja + Verb?
|
Hujafika?
|
|
Short Answer
|
Bado
|
Bado (Not yet)
|
フォーマル度スペクトル
Sijakula. (Dining)
Sijakula. (Dining)
Sijakula bado. (Dining)
Sijakula mimi. (Dining)
The -ja- Logic
Status
- Sijafika I haven't arrived
Expectation
- Bado Still/Yet
レベル別の例文
Sijakula.
I haven't eaten yet.
Hajafika.
He hasn't arrived.
Hatujamaliza kazi.
We haven't finished the work.
Mvua haijanyesha.
The rain hasn't fallen.
Bado sijapata jibu lako.
I still haven't received your answer.
Wageni hawajakaribishwa.
The guests haven't been welcomed.
Mradi huu haujaanza rasmi.
This project hasn't started officially.
Sijawahi kuona kitu kama hiki.
I have never seen something like this.
Hatujafikia makubaliano yoyote.
We haven't reached any agreement.
Hajajifunza kutokana na makosa yake.
He hasn't learned from his mistakes.
Sijapata fursa ya kutafakari.
I haven't had the opportunity to reflect.
Hajajidhihirisha kama kiongozi.
He hasn't proven himself as a leader.
間違えやすい
Learners mix up 'Sili' (I don't eat) and 'Sijakula' (I haven't eaten).
Learners use -li- with negative.
Confusing 'Sijafika' with 'Sifiki'.
よくある間違い
Sini-ja-fika
Sijafika
Sijafika bado
Bado sijafika
Hajafika (for I)
Sijafika
Sijali fika
Sijafika
Sijafikaye
Sijafika
Sija-fika
Sijafika
Hajafika bado
Bado hajafika
Sijafika na
Sijafika
Sijafika bado
Bado sijafika
Hajafika bado
Bado hajafika
Sijafika bado
Bado sijafika
Hajafika bado
Bado hajafika
文型パターン
Bado ___ ___.
___ sijafika nyumbani.
Kwa nini ___ ___?
Real World Usage
Bado sijafika.
Hatujamaliza ripoti.
Basi halijafika.
Use Bado
Subject Prefixes
Context
Smart Tips
Always add 'bado' at the start.
Check your subject prefix.
Stick to the -ja- formula.
発音
Stress
Stress the penultimate syllable.
Statement
Sijafika ↘
Neutral information
暗記しよう
記憶術
Ja is like 'Jumping'—the action is jumping over the present into the future.
視覚的連想
Imagine a clock with no hands. You are waiting for the time to start. The 'ja' is the empty space on the clock.
Rhyme
When the action is not yet done, use -ja- to have some fun.
Story
Juma is waiting for a bus. He checks his watch and says, 'Basi halijafika.' He is hungry, so he says, 'Sijakula.' He is still waiting for his friend, 'Hajafika.'
Word Web
チャレンジ
Write 5 sentences about things you haven't done today using -ja-.
文化メモ
Using 'bado' is polite when declining an offer.
Commonly used in casual greetings.
Derived from the Bantu negative prefix system.
会話のきっかけ
Umekula?
Basi limefika?
Umemaliza kazi?
日記のテーマ
よくある間違い
Test Yourself
Mimi ___ (not yet eat).
Find and fix the mistake:
Yeye sijafika.
Wao ___.
We haven't finished.
Answer starts with: Hat...
Score: /4
練習問題
4 exercisesMimi ___ (not yet eat).
Find and fix the mistake:
Yeye sijafika.
Wao ___.
We haven't finished.
Score: /4
よくある質問 (6)
Yes, but 'bado' adds clarity.
It is perfective, so it relates to the past.
Use the habitual negative.
It is used in all registers.
The rule remains the same.
No, it is for pending past/present.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Todavía no
Swahili integrates it into the verb.
Pas encore
French uses a separate particle.
Noch nicht
German is not agglutinative.
Mada
Japanese word order is SOV.
Lamma
Arabic uses a specific particle.
Learning Path
Prerequisites
Related Grammar Rules
Negating Monosyllabic Verbs
Negating 'to have' (sina, huna, hana)
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