Arabic Commands: How the Imperative (الأَمْر) Works
Write! Sit down! Listen! Commands are among the first verb forms you hear in any Arabic classroom, and the good news is that the imperative — الأَمْر (al-amr) — is not a new tense to memorize. It is carved directly out of a form you may already know: the jussive mood of the present tense.
This guide shows the two-step derivation that produces any Form I imperative, gives you the full command paradigms for اُكْتُبْ (write!) and اِجْلِسْ (sit!), explains why the helping vowel is sometimes damma and sometimes kasra, and covers negative commands with لَا plus the polite phrases that keep your requests from sounding like orders.
The Imperative Comes from the Jussive
Arabic forms commands only in the second person: you cannot order he or we with this form. The recipe has two steps. Step one: take the second person jussive of the verb. For كَتَبَ that is تَكْتُبْ (taktub, may you write). Step two: remove the prefix تَـ. What remains is ـكْتُبْ (ktub) — but Arabic words cannot begin with a consonant cluster.
So step three, when needed: add a helping hamzat wasl (a connecting alif) to the front. Its vowel depends on the stem vowel of the present tense. If the present stem vowel is damma, the alif takes damma: يَكْتُبُ gives اُكْتُبْ (uktub). If the stem vowel is kasra or fatha, the alif takes kasra: يَجْلِسُ gives اِجْلِسْ (ijlis), and يَفْتَحُ gives اِفْتَحْ (iftah).
The Five Command Forms
Because commands address you, the imperative has exactly five forms, matching the five second person slots: masculine singular, feminine singular, dual, masculine plural, and feminine plural. The endings mirror the jussive endings, including the dropped nun of the five verbs and the silent alif after the plural waw.
- أَنْتَ: اُكْتُبْ (uktub) — Write! (to one man)
- أَنْتِ: اُكْتُبِي (uktubi) — Write! (to one woman)
- أَنْتُمَا: اُكْتُبَا (uktuba) — Write! (to two people)
- أَنْتُمْ: اُكْتُبُوا (uktubu) — Write! (to a group of men)
- أَنْتُنَّ: اُكْتُبْنَ (uktubna) — Write! (to a group of women)
When No Helping Alif Is Needed
The connecting alif exists only to rescue an unpronounceable consonant cluster. If removing the prefix leaves a word that already starts with a consonant plus vowel, no alif is added. This happens with many derived-form verbs: from تَكَلَّمَ (to speak, Form V) the jussive تَتَكَلَّمْ gives the imperative تَكَلَّمْ (takallam, speak!). From سَاعَدَ (to help, Form III) you get سَاعِدْ (sa'id, help!).
Form IV verbs are the exception in the other direction: they take a cutting hamza (hamzat qat') with fatha that is always pronounced: from أَرْسَلَ (to send), the command is أَرْسِلْ (arsil, send!). A few very common verbs are irregular and drop even more: قَالَ gives قُلْ (qul, say!), أَخَذَ gives خُذْ (khudh, take!), and أَكَلَ gives كُلْ (kul, eat!).
Negative Commands: لَا + Jussive
To tell someone not to do something, Arabic does not negate the imperative form itself. Instead it uses لَا النَّاهِيَة (the la of prohibition) followed by the second person present tense in the jussive mood — the very form the imperative was derived from, with its prefix restored.
So Write! is اُكْتُبْ, but Do not write! is لَا تَكْتُبْ (la taktub). The five negative command forms are لَا تَكْتُبْ، لَا تَكْتُبِي، لَا تَكْتُبَا، لَا تَكْتُبُوا، and لَا تَكْتُبْنَ. Never combine لَا with the imperative form itself — لَا اُكْتُبْ is impossible.
Politeness: Softening a Command
A bare imperative can sound abrupt in Arabic just as in English, so everyday speech wraps commands in courtesy phrases. The most common softener is مِنْ فَضْلِكَ (min fadlika, please — literally from your kindness), adjusted for the listener: مِنْ فَضْلِكِ to a woman, مِنْ فَضْلِكُمْ to a group. You will also hear لَوْ سَمَحْتَ (law samahta, if you permit) and رَجَاءً (raja'an, kindly).
For requests rather than instructions, Arabic often sidesteps the imperative entirely: هَلْ يُمْكِنُكَ أَنْ تَفْتَحَ الْبَابَ؟ (Could you open the door?) uses a question plus the subjunctive. Religious and formal contexts add تَفَضَّلْ (tafaddal, please go ahead / here you are), the all-purpose polite invitation.
Practice Path
The imperative rewards a specific order of study: be solid on the present tense first, then the jussive, and the commands almost derive themselves. If اُكْتُبْ versus اِجْلِسْ still feels arbitrary, the fix is knowing each verb's present stem vowel — damma in يَكْتُبُ, kasra in يَجْلِسُ.
Fahm's conjugation trainer includes the exact verbs used in this guide — كَتَبَ، جَلَسَ، فَتَحَ، تَكَلَّمَ — so you can drill their present tense until the jussive-to-imperative step is automatic, and the grammar course covers commands and prohibition as part of its negation and verb lessons.
Frequently asked questions
How is the Arabic imperative formed?
Take the second person jussive (for example تَكْتُبْ), remove the prefix, and if the result begins with a consonant cluster, add a connecting alif: damma on the alif if the present stem vowel is damma (اُكْتُبْ), kasra otherwise (اِجْلِسْ، اِفْتَحْ).
How many imperative forms are there?
Five, all second person: masculine singular (اُكْتُبْ), feminine singular (اُكْتُبِي), dual (اُكْتُبَا), masculine plural (اُكْتُبُوا), and feminine plural (اُكْتُبْنَ).
How do I say do not in Arabic?
Use لَا followed by the second person jussive: لَا تَكْتُبْ (do not write), لَا تَجْلِسُوا (do not sit, plural). The imperative form itself is never negated directly.
Why is it اُكْتُبْ with damma but اِجْلِسْ with kasra?
The vowel of the helping alif copies the logic of the present stem vowel: يَكْتُبُ has damma, so the command is اُكْتُبْ; يَجْلِسُ has kasra, so the command is اِجْلِسْ. Fatha-stem verbs like يَفْتَحُ also take kasra: اِفْتَحْ.
How do I make a command polite?
Add مِنْ فَضْلِكَ (please), لَوْ سَمَحْتَ (if you permit), or رَجَاءً (kindly), or rephrase as a question with هَلْ يُمْكِنُكَ أَنْ plus the subjunctive. تَفَضَّلْ is the standard polite invitation.
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