Najdi Arabic grammar, step by step
A guided tour through Najdi Arabic grammar with glossed examples that show how each piece of a sentence fits together.
Grammar Walkthrough
Discover how the language works through examples
Najdi Arabic builds its entire vocabulary from three-consonant roots by threading different vowel patterns through them — and preserves archaic features such as the dual number and a robust aspect system that many modern dialects have lost.
Three-consonant roots: one family
root-and-pattern morphology| Root | Domain | Word | Gloss |
|---|---|---|---|
| ك-ل-م (k-l-m) | speech | كلام (kalām) | speech, talk |
| ك-ل-م (k-l-m) | speech | كلمة (kilma) | word |
| ك-ل-م (k-l-m) | speech | كلّم (kallam) | he spoke (to s.o.) |
| ك-ت-ب (k-t-b) | writing | كتاب (kitāb) | book |
| ك-ت-ب (k-t-b) | writing | كتب (katab) | he wrote |
| ك-ت-ب (k-t-b) | writing | كاتب (kātib) | writer |
| ح-ك-ي (h-k-y) | speaking/telling | حكى (haka) | he spoke/told |
| ح-ك-ي (h-k-y) | speaking/telling | حكاية (hikāya) | story, tale |
Look at each group of words. Three consonants appear in every word of a group. What changes between them — and what stays the same?
Arabic builds most of its vocabulary by weaving vowel patterns through a fixed three-consonant root. Every word in a family shares those consonants; the vowels and affixes encode the grammatical relationship. Learning one root unlocks an entire word family.
Aspect: perfective versus imperfective
perfective vs. imperfective| Aspect | Form | Arabic | Gloss |
|---|---|---|---|
| Perfective (completed) | haka | حكى | he spoke / has spoken |
| Imperfective (ongoing/habitual) | yihki | يحكي | he speaks / is speaking |
| Perfective | katab | كتب | he wrote / has written |
| Imperfective | yiktib | يكتب | he writes / is writing |
Najdi Arabic has two very different verb forms: "حكى" (haka) and "يحكي" (yihki). They come from the same root. What is the difference in their shapes — and what does each express?
The most fundamental verb distinction in Arabic is aspect, not tense. The perfective stem (suffix-based, no prefix) expresses a completed action. The imperfective stem (prefix-based) expresses ongoing, habitual, or repeated action. Context and particles add finer tense meaning.
Perfective conjugation: suffixes mark person
perfective conjugation| Person | Arabic | Romanization | Gloss |
|---|---|---|---|
| 3rd sing. masc. (he) | حكى | haka | he spoke |
| 3rd sing. fem. (she) | حكَت | hakat | she spoke |
| 3rd dual (they two) | حكَوا | hakaw | they two spoke |
| 3rd pl. masc. (they) | حكَوا | hakaw | they spoke |
| 2nd sing. masc. (you) | حكيت | hakēt | you (masc.) spoke |
| 2nd sing. fem. (you) | حكيتي | hakēti | you (fem.) spoke |
| 1st sing. (I) | حكيت | hakēt | I spoke |
| 1st pl. (we) | حكَينا | hakēna | we spoke |
In the perfective (completed) forms of حكى (haka, speak/tell), something is added to the end of the verb stem for each person. What pattern do the suffixes follow?
The perfective verb is conjugated by adding suffixes to the stem. These suffixes encode person (first, second, third), gender (masculine and feminine), and number (singular, dual, plural) all at once.
Imperfective conjugation: prefixes mark person
imperfective conjugation| Person | Arabic | Romanization | Gloss |
|---|---|---|---|
| 3rd sing. masc. (he) | يحكي | yihki | he speaks |
| 3rd sing. fem. (she) | تحكي | tihki | she speaks |
| 2nd sing. masc. (you) | تحكي | tihki | you (masc.) speak |
| 2nd sing. fem. (you) | تحكين | tihkīn | you (fem.) speak |
| 1st sing. (I) | أحكي | ahki | I speak |
| 1st pl. (we) | نحكي | nihki | we speak |
| 3rd pl. masc. (they) | يحكون | yihkūn | they speak |
| 3rd dual (they two) | يحكيان | yihkiyān | they two speak |
In the imperfective (ongoing/habitual) forms, the person is marked by a prefix before the stem rather than a suffix after it. What prefix does each person use?
The imperfective verb adds a person prefix before the root and, for some forms, a suffix after it. The prefix is the primary person marker; suffixes add gender or plural distinction.
Progressive: qaʕad + imperfective
progressive aspectCompare "أحكي عربي" (I speak Arabic — habitual) with "قاعد أحكي عربي". An extra word has appeared before the verb. What does "قاعد" (qaʕad) add?
Najdi Arabic marks "right now / currently doing" by placing "قاعد" (qaʕad, literally "sitting") before the imperfective verb. This progressive construction distinguishes ongoing present action from mere habitual or general statements.
The definite article al-
definite article| Type | Rule | Example | Gloss |
|---|---|---|---|
| Moon letter (ك) | al- stays | الكتاب (al-kitāb) | the book |
| Moon letter (ب) | al- stays | البيت (al-bayt) | the house |
| Sun letter (ش) | l → sh | الشمس (ash-shams) | the sun |
| Sun letter (ن) | l → n | النهار (an-nhār) | the day |
| Sun letter (ر) | l → r | الرجل (ar-rajul) | the man |
| No article | bare noun = indef. | كتاب (kitāb) | a book |
The definite article is "al-", but before some nouns it sounds like "ash-", "an-", or "ar-" instead. What is it about the first consonant of the noun that triggers the change?
The article "ال" (al-) attaches to a noun to make it definite. Before "sun letters" (coronal consonants: ت ث د ذ ر ز س ش ص ض ط ظ ل ن), the "ل" of the article assimilates to that consonant. Before "moon letters", the article stays as "al-".
Gender: masculine and feminine
grammatical gender| Gender | Noun | Adjective: big | Gloss |
|---|---|---|---|
| Masculine | رجل (rajul) | رجل كبير | a big man |
| Feminine | مرة (mara) | مرة كبيرة | a big woman |
| Masc. (definite) | الكتاب (al-kitāb) | الكتاب الكبير | the big book |
| Fem. (definite) | السيارة (as-sayyāra) | السيارة الكبيرة | the big car |
The noun "مدرّس" (mudarris, male teacher) becomes "مدرّسة" (mudarrisa, female teacher) with an extra ending. An adjective following the noun also changes. What ending marks the feminine?
Every Arabic noun is masculine or feminine. The most common feminine marker is the suffix "-a" (written ة, called tāʾ marbūṭa). Adjectives follow the noun and must agree in gender by adding "-a" for feminine.
The dual: preserved in Najdi
dual number| Category | Singular | Dual | Gloss |
|---|---|---|---|
| Noun (book) | كتاب (kitāb) | كتابين (kitābēn) | two books |
| Noun (day) | يوم (yōm) | يومين (yōmēn) | two days |
| Verb (3M) | يحكي (yihki) | يحكيان (yihkiyān) | they two speak |
| Verb (3F) | تحكي (tihki) | تحكيان (tihkiyān) | they two (f.) speak |
| Pronoun | هو / هي (huw/hiy) | هما (humā) | those two |
Most modern Arabic dialects have lost the dual number. Najdi preserves "هم ذولا" (hum dhōla, those two) and "يحكيان" (yihkiyān, they two speak). What suffix marks the dual, and where does it appear?
Najdi Arabic retains the dual for nouns, adjectives, and verbs — a form specifically for two. Dual nouns add "-ēn" (oblique) or "-ān" (nominative/absolute), and dual verbs add "-ān" to the imperfective form.
Broken plurals: words reshape inside
broken plurals| Singular | Plural | Pattern | Gloss |
|---|---|---|---|
| كتاب (kitāb) | كتب (kutub) | CuCuC | book → books |
| رجل (rajul) | رجال (rijāl) | CiCāC | man → men |
| بيت (bayt) | بيوت (buyūt) | CuCūC | house → houses |
| ولد (walad) | أولاد (awlād) | ʔaCCāC | boy → boys |
| كلمة (kilma) | كلمات (kilmāt) | -āt suffix (regular) | word → words |
"كتاب" (kitāb, book) becomes "كتب" (kutub, books) — not by adding a suffix, but by changing the internal vowels. Is there any pattern to these shapes?
Many Arabic nouns form their plural by rearranging the vowels inside the word — this is called a broken plural. The consonants of the root stay fixed; the vowel pattern changes completely. Each noun must be learned with its plural, but common patterns (like CuCuC, ʔaCCāC) recur across many words.
Possession: the iḍāfa construct
iḍāfa construct| Possessor | Suffix | Example | Gloss |
|---|---|---|---|
| my | -ي (-ī) | كتابي (kitābī) | my book |
| your (masc.) | -ك (-ak) | كتابك (kitābak) | your book |
| his | -ه (-ah) | كتابه (kitābah) | his book |
| her | -ها (-ha) | كتابها (kitābha) | her book |
| our | -نا (-na) | كتابنا (kitābna) | our book |
In "كتاب الولد" (kitāb al-walad, the boy's book), no word for "of" or "'s" appears — two nouns simply sit next to each other. Which noun is possessed, and which is the possessor?
Possession uses the iḍāfa (annexation): the possessed noun comes first (with no definite article), and the possessor noun follows with the article. Together they form a definite noun phrase. Personal possessors attach as suffixes directly to the possessed noun.
Negation: mā before the verb
negation"ما حكيت عربي" (mā hakēt ʕarabi) — a single word appears before the perfective verb to negate it. Does the same word work before imperfective verbs too?
Najdi Arabic negates verbs with "ما" (mā) placed immediately before the verb. The same particle works before both perfective (past-like) and imperfective (present/habitual) verbs.
Adjectives follow and agree
adjective agreementThe adjective always appears after its noun. For masculine nouns the adjective has no extra ending; for feminine nouns the adjective gains "-a". What does the adjective agree with?
Arabic adjectives follow the noun and agree with it in gender and definiteness. A definite noun requires the article on both the noun and the adjective. Plural inanimate nouns typically take the feminine singular adjective — a pattern shared across Arabic varieties.
Aspect particles: taww and ʕād
aspect particles"توّ حكيت" (taww hakēt) and "عاد يحكي" (ʕād yihki) — small words appear before the verb and sharpen the time meaning. What does each one contribute?
"توّ" (taww) before a perfective verb means "just now / just did it". "عاد" (ʕād) before an imperfective verb means "still / keeps doing / habitually does". These particles layer extra aspect meaning on top of the basic verb forms.
Questions: wh-words and intonation
questions| Word | Meaning | Example | Translation |
|---|---|---|---|
| من (man) | who | من حكى؟ | Who spoke? |
| إيش (aysh) | what | إيش تبي؟ | What do you want? |
| وين (wayn) | where | وين البيت؟ | Where is the house? |
| متى (matā) | when | متى رجع؟ | When did he return? |
| كيف (kēf) | how | كيف حالك؟ | How are you? |
| ليش (lēsh) | why | ليش ما حكيت؟ | Why didn't you speak? |
Wh-question words appear at the beginning of the sentence in Najdi Arabic. For yes/no questions, the word order does not change. What signals a yes/no question?
Wh-questions place the question word first, followed by a normal sentence. Yes/no questions use rising intonation with unchanged word order, or the particle "هل" (hal) in more formal speech.
Prepositions and clitic bi-
prepositions"في البيت" (fī al-bayt) keeps the preposition and article separate, but "بالبيت" (bi-l-bayt) merges them. When does bi- fuse with what follows it?
Arabic prepositions come before the noun. The preposition "بـ" (bi-, meaning "with/by/in") cliticizes directly onto the following word, including the article — "bi-" + "al-" contracts to "bil-". The other common prepositions "في" (fī, in), "من" (min, from), and "إلى" (ilā, to) stay separate.
The full picture
putting it togetherHow many patterns from earlier steps can you spot here? Look for: root consonants, aspect forms, gender agreement, broken plural, iḍāfa, mā negation, and aspect particles.
Najdi Arabic builds its grammar from the root outward: consonants carry meaning, vowel patterns and affixes encode aspect/tense/person, and particles (mā, taww, ʕād, qaʕad) refine the time meaning. The dual, broken plurals, and iḍāfa are its most distinctive preserved features.