La Puissance de Deux : Les Terminaisons du Duel (-ān / -ayn)
deux + pluriel. Utilise juste «-ān» ou -ayn avec le nom au singulier.
Grammar Rule in 30 Seconds
In Arabic, use the suffix -ān or -ayn to turn any singular noun into exactly two items.
- Add -ān to the end of a singular noun for the nominative case (e.g., waladān - two boys).
- Add -ayn to the end of a singular noun for accusative/genitive cases (e.g., waladayn - two boys).
- Always remove the final 'tā' marbūṭa (ة) before adding the dual suffix (e.g., bintān).
Overview
al-muthannā).ithnān) si tu utilises la forme du duel, car l'information est déjà contenue dans la terminaison du mot. C'est un gain de temps et une élégance linguistique.ـَان (-ān) pour le nominatif (sujet) et ـَيْن (-ayn) pour l'accusatif et le génitif (objet ou après préposition).- Si ce sont les sujets de la phrase :
طالبان(*ṭālibān*). - Si tu vois ces deux étudiants (objet) :
طالبين(*ṭālibayn*).
طالبان كبيران (*ṭālibān kabīrān*). C'est une harmonie totale que le français ne connaît pas de manière aussi systématique.ـَان | طالبان | سيارتانـَيْن | طالبين | سيارتينة (tāʾ marbūṭah), il faut transformer cette terminaison en un ت (tāʾ) ouvert avant d'ajouter le suffixe. C'est comme si le ة « s'ouvrait » pour laisser passer le suffixe.مدرسة (*madrasah* - école) devient مدرستان (*madrasatān* - deux écoles).ة qui devient ت, tu peux l'appliquer à presque tous les noms féminins.- 1Quantité précise : Dès que le chiffre est 2, le duel est obligatoire. Dire
اثنان كتابانserait une erreur de débutant, car c'est redondant (comme dire « deux deux-livres »). - 2Les paires naturelles : Les parties du corps (yeux, mains, oreilles) sont toujours au duel quand on en parle.
يدان(deux mains),عينان(deux yeux). - 3L'accord adjectival : Si tu décris deux objets, l'adjectif doit suivre.
كتابان جديدان(deux nouveaux livres).
- 1L'oubli de la transformation du
ة: Les francophones oublient souvent de transformer leةenت. Ils essaient de coller le suffixe directement, ce qui est phonétiquement impossible. Pourquoi ? Parce qu'en français, on ne modifie pas la racine du mot pour accorder. On ajoute juste une marque à la fin. En arabe, il faut accepter que le mot se « transforme ». - 2Confusion entre Nominatif et Accusatif : Les élèves utilisent souvent
ـَانpartout. C'est une interférence du français où le sujet et l'objet ne changent pas la forme du mot. Il faut bien se demander : « Est-ce que mes deux objets sont le sujet de l'action ou l'objet ? ». - 3La redondance avec le chiffre deux : Comme en français on dit « deux » + nom, les élèves disent
اثنان+ le nom au duel. C'est une erreur classique de traduction littérale. En arabe, le duel se suffit à lui-même.
ـَان | ـُون / ـَاتـَيْن | ـِين / ـَاتن (nūn) à la fin disparaît parfois ?ن tombe. Par exemple, « mes deux mains » se dit يداي (*yaday*) et non يدان. C'est une règle avancée que tu verras bientôt.Dual Noun Formation
| Singular | Nominative (-ān) | Accusative/Genitive (-ayn) |
|---|---|---|
|
كِتَاب (Book)
|
كِتَابَانِ
|
كِتَابَيْنِ
|
|
بِنْت (Girl)
|
بِنْتَانِ
|
بِنْتَيْنِ
|
|
مَدْرَسَة (School)
|
مَدْرَسَتَانِ
|
مَدْرَسَتَيْنِ
|
|
قَلَم (Pen)
|
قَلَمَانِ
|
قَلَمَيْنِ
|
|
بَيْت (House)
|
بَيْتَانِ
|
بَيْتَيْنِ
|
|
طَالِب (Student)
|
طَالِبَانِ
|
طَالِبَيْنِ
|
|
سَيَّارَة (Car)
|
سَيَّارَتَانِ
|
سَيَّارَتَيْنِ
|
|
مُعَلِّم (Teacher)
|
مُعَلِّمَانِ
|
مُعَلِّمَيْنِ
|
Meanings
The dual number is a grammatical category used to indicate exactly two of something, distinct from singular (one) and plural (three or more).
Nominative Dual
Used when the dual noun is the subject of the sentence.
“الْبَيْتَانِ كَبِيرَانِ (The two houses are big).”
“جَاءَ صَدِيقَانِ (Two friends came).”
Accusative/Genitive Dual
Used when the dual noun is the object of a verb or follows a preposition.
“أَحْبَبْتُ الْكِتَابَيْنِ (I liked the two books).”
“ذَهَبْتُ مَعَ صَدِيقَيْنِ (I went with two friends).”
Reference Table
| Genre | Singulier | Duel (Sujet) -ān | Duel (Objet) -ayn |
|---|---|---|---|
|
Masculin
|
kitāb (livre)
|
kitābān (كتابان)
|
kitābayn (كتابين)
|
|
Féminin
|
sayyāra (voiture)
|
sayyāratān (سيارتان)
|
sayyāratayn (سيارتين)
|
|
Masculin (Humain)
|
muhandis (ingénieur)
|
muhandisān (مهندسان)
|
muhandisayn (مهندسين)
|
|
Féminin (Humain)
|
ṭāliba (étudiante)
|
ṭālibatān (طالبتان)
|
ṭālibatayn (طالبتين)
|
Spectre de formalité
لَدَيَّ أَخَوَانِ. (Family introduction)
عِنْدِي أَخَوَانِ. (Family introduction)
عِنْدِي أَخَوَانِ. (Family introduction)
عِنْدِي أَخَوَانِ. (Family introduction)
Les trois nombres de l'arabe
Singulier (1)
- Kitāb Un livre
Duel (2) - LA RÈGLE
- Kitābān Deux livres
Pluriel (3+)
- Kutub Beaucoup de livres
Duel de suffixes : -ān vs -ayn
Quelle terminaison choisir ?
Parles-tu d'exactement 2 choses ?
Sont-ils ceux qui FONT l'action ?
Le Duel en action
Parties du corps (paires)
- • Yadān (2 mains)
- • Aynān (2 yeux)
- • Rijlān (2 jambes)
Temps
- • Sā'atān (2 heures)
- • Yawmān (2 jours)
- • Usbū'ān (2 semaines)
Exemples par niveau
وَلَدَانِ
Two boys
بِنْتَانِ
Two girls
كِتَابَيْنِ
Two books
قَلَمَيْنِ
Two pens
الْبَيْتَانِ جَمِيلَانِ
The two houses are beautiful
أَكَلْتُ تُفَّاحَتَيْنِ
I ate two apples
ذَهَبْتُ مَعَ صَدِيقَيْنِ
I went with two friends
هَذَانِ كِتَابَانِ
These are two books
رَأَيْتُ طَالِبَيْنِ مُجْتَهِدَيْنِ
I saw two hardworking students
اشْتَرَيْتُ سَيَّارَتَيْنِ جَدِيدَتَيْنِ
I bought two new cars
يَعْمَلُ الْمُوَظَّفَانِ فِي الشَّرِكَةِ
The two employees work in the company
سَافَرْتُ إِلَى مَدِينَتَيْنِ
I traveled to two cities
تَكَلَّمَ الرَّجُلَانِ عَنِ الْمُشْكِلَتَيْنِ
The two men talked about the two problems
لَدَيَّ فِكْرَتَانِ رَائِعَتَانِ
I have two wonderful ideas
تَشَاوَرَ الْوَزِيرَانِ فِي الْقَضِيَّتَيْنِ
The two ministers consulted on the two cases
هَاتَانِ الصُّورَتَانِ قَدِيمَتَانِ
These two pictures are old
تَبَادَلَ الشَّرِيكَانِ الْوَثِيقَتَيْنِ
The two partners exchanged the two documents
تَطَلَّبَ الْأَمْرُ مَهَارَتَيْنِ عَالِيَتَيْنِ
The matter required two high skills
تَوَاجَهَ الْخَصْمَانِ فِي الْمَحْكَمَةِ
The two opponents faced each other in court
تَأَمَّلْتُ فِي النَّظَرِيَّتَيْنِ
I contemplated the two theories
تَجَلَّتْ فِي الْقَصِيدَتَيْنِ مَعَانٍ عَمِيقَةٌ
Deep meanings manifested in the two poems
تَوَازَنَ الْعُنْصُرَانِ فِي التَّفَاعُلِ
The two elements balanced in the reaction
تَشَابَهَتِ الْحَالَتَانِ فِي كُلِّ شَيْءٍ
The two cases were similar in everything
تَوَارَثَ الْأَبْنَاءُ الْأَرْضَيْنِ
The sons inherited the two lands
Facile à confondre
Learners often use the plural for two items.
Mixing up -ān and -ayn.
Keeping the ة in the dual form.
Erreurs courantes
كِتَابَات
كِتَابَانِ
مَدْرَسَةَانِ
مَدْرَسَتَانِ
قَلَمَانِ (as object)
قَلَمَيْنِ
بِنْتَيْنِ (as subject)
بِنْتَانِ
كِتَابَيْنِ كَبِيرَانِ
كِتَابَيْنِ كَبِيرَيْنِ
هَذَا كِتَابَانِ
هَذَانِ كِتَابَانِ
يَذْهَبُ الطَّالِبَانِ
يَذْهَبُ الطَّالِبَانِ (Correct, but watch verb agreement)
رَأَيْتُ اثْنَيْنِ كِتَابَيْنِ
رَأَيْتُ كِتَابَيْنِ
هُمَا طَالِبٌ
هُمَا طَالِبَانِ
سَافَرْتُ مَعَ صَدِيقَانِ
سَافَرْتُ مَعَ صَدِيقَيْنِ
تَكَلَّمَ الرَّجُلَانِ عَنِ الْمُشْكِلَةِ
تَكَلَّمَ الرَّجُلَانِ عَنِ الْمُشْكِلَتَيْنِ
كِلَا الْكِتَابَانِ
كِلَا الْكِتَابَيْنِ
رَأَيْتُ كِلْتَا الْبِنْتَانِ
رَأَيْتُ كِلْتَا الْبِنْتَيْنِ
Structures de phrases
لَدَيَّ ___ (two items).
___ (The two items) جَمِيلَانِ.
رَأَيْتُ ___ (two items) فِي المَكْتَبَةِ.
هَاتَانِ ___ (two items) قَدِيمَتَانِ.
Real World Usage
أُرِيدُ سَنْدَوِيتْشَيْنِ.
شُفْتُ صَدِيقَيْنِ الْيَوْم.
لَدَيَّ خِبْرَتَانِ فِي هَذَا الْمَجَالِ.
حَجَزْتُ غُرْفَتَيْنِ.
هَاتَانِ صُورَتَانِ مِنْ رِحْلَتِي.
كَتَبْتُ وَاجِبَيْنِ.
Les parties du corps en duo sont des duels naturels
Mes deux mains («يديَّ»).Ne stresse pas avec la 'nounation'
Deux livres du garçon(«كتابان الولد»).
Dialecte vs arabe standard
Smart Tips
Always check if you need -ān or -ayn.
Remember the ة to ت switch.
Make sure the adjective also ends in -ān or -ayn.
Use the dual consistently.
Prononciation
Nūn sound
The final 'n' (ن) is always pronounced clearly in the dual.
Statement
الْبَيْتَانِ كَبِيرَانِ ↘
Falling intonation for declarative sentences.
Mémorise-le
Moyen mnémotechnique
Remember: 'ān' is for the 'An'chor (Subject), 'ayn' is for the 'Eye' (Object).
Association visuelle
Imagine a pair of glasses. The two lenses are the 'dual'. When you look at them as the subject, they are 'ān' (big), when you look through them as an object, they are 'ayn' (clear).
Rhyme
For two things, add -ān or -ayn, it makes your Arabic sound really fine!
Story
Ali has two cats. He says 'My cats (qittatān) are hungry.' He feeds his two cats (qittatayn) and then plays with his two cats (qittatayn).
Word Web
Défi
Look around your room and name 3 pairs of items using the dual form in 60 seconds.
Notes culturelles
The dual is very much alive in daily speech, especially when ordering food or talking about family.
While the dual is used, sometimes people use the plural for items that come in pairs, but the dual is still preferred for precision.
The dual is used very formally and correctly in all contexts.
The dual number is a Proto-Semitic feature that has been lost in most modern languages but preserved in Arabic.
Amorces de conversation
كَمْ أَخًا لَدَيْكَ؟
مَاذَا اشْتَرَيْتَ مِنَ السُّوقِ؟
كَيْفَ تَصِفُ هَذَيْنِ الْكِتَابَيْنِ؟
مَا هِيَ مُمَيِّزَاتُ هَاتَيْنِ الْمَدِينَتَيْنِ؟
Sujets d'écriture
Erreurs courantes
Test Yourself
I visited two cities: Zurtu ___ (madīna).
Choose the correct translation for: 'The two teachers arrived.'
Find and fix the mistake:
Qara'tu kitābān (قرأت كتابان) fī al-bayt.
Score: /3
Exercices pratiques
8 exercisesلَدَيَّ ___ (two pens).
___ (The two girls) ذَهَبَتَا إِلَى الْمَدْرَسَةِ.
Find and fix the mistake:
رَأَيْتُ طَالِبَانِ.
هَذَا كِتَابٌ. (Make it two)
سَيَّارَة
مُعَلِّم (Subject)
أَكَلْتُ + تُفَّاحَة (dual)
The dual is used for 3 items.
Score: /8
Practice Bank
10 exercisesThe two students are smart: Al-tālibān ___ (dhakī).
I am looking for two pens (qalam). Abḥathu 'an ___.
Hadhihi bintān jamīlatān.
Match correctly:
I speak two languages: Atakallamu ___ (lugha).
Which matches: 'Two small cats' (as subject)?
Al-waladān ya'kul.
Between two mountains: Bayna ___ (jabal).
How do you say 'two years' (sana)?
Connect the function to the suffix
Score: /10
FAQ (8)
No, the dual is strictly for two. For three or more, use the plural.
It changes based on the grammatical case (subject vs object).
Yes, you must change it to ت before adding the dual suffix.
Yes, especially in the Levant and formal contexts.
Check if the noun is the subject (doer) or the object (receiver).
Yes, adjectives must match the noun in number and case.
You will be understood, but it won't sound as natural or precise.
Most nouns follow the standard rule, which is one of the best things about Arabic!
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Two + plural noun
Arabic uses a suffix; English uses a separate word.
Dos + plural noun
Arabic dual is a morphological change, not a syntactic one.
Zwei + plural noun
Arabic dual is unique to its case system.
Futatsu no + noun
Arabic is highly inflectional.
Liang + measure word + noun
Arabic dual is built into the noun.
Suffix -ayim
The suffix sound is slightly different (-ayim vs -ayn).
Learning Path
Prerequisites
Learn These First
Le duel arabe : Le pouvoir de deux (-an / -ayn)
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