The single most important contrast in Arabic demonstrative phrases is هذا كتاب versus هذا الكتاب. The first is a complete verbless sentence: “this is a book.” The second is one definite noun phrase: “this book.” It needs a predicate or a wider sentence before it makes a full assertion.
English marks “this is a book” with is, while Arabic normally has no present-tense copula. Arabic instead lets definiteness reveal the structure. An indefinite noun after the demonstrative is normally a predicate; a definite noun forms one pointing phrase with it. The individual pointing forms are introduced on Near Demonstratives and Far Demonstratives.
Two structures that look almost identical
| Arabic structure | Analysis | Meaning |
|---|---|---|
| هذا كتاب | demonstrative subject + indefinite predicate | this is a book |
| هذا الكتاب | demonstrative + definite noun | this book |
| تلك سيارة | demonstrative subject + indefinite predicate | that is a car |
| تلك السيارة | demonstrative + definite noun | that car |
The short sentence هذا كتاب is already complete. هذا is the subject and كتاب is its predicate. In fully inflected formal reading, the predicate is nominative and indefinite: كِتَابٌ. At natural pause, its final ending may not be pronounced, but its lack of الـ remains visible.
هذا كتاب، وليس دفترا.
hādhā kitābun, wa-laysa daftarā.
This is a book, not a notebook.
هذه فرصة لا تتكرر كثيرا.
hādhihi furṣatun lā tatakarraru kathīrā.
This is an opportunity that does not come along often.
By contrast, هذا الكتاب acts as a unit. Both the demonstrative and the noun are definite, so Arabic hears them as one referential expression. Add مفيد to say something about that unit.
هذا الكتاب مفيد للمبتدئين.
hādhā l-kitābu mufīdun li-l-mubtadiʾīn.
This book is useful for beginners.
هذه الفرصة مناسبة لفريقنا.
hādhihi l-furṣatu munāsibatun li-farīqinā.
This opportunity suits our team.
Gender, number, and case still matter
Whether the demonstrative stands as a pronoun or introduces a noun phrase, it matches the referent's grammatical gender and number. The dual forms also show case.
| Reference | Pronoun-like sentence | Demonstrative phrase |
|---|---|---|
| masculine singular | هذا مهندس | هذا المهندس |
| feminine singular | هذه مهندسة | هذه المهندسة |
| masculine dual, nominative | هذان مهندسان | هذان المهندسان |
| feminine dual, nominative | هاتان مهندستان | هاتان المهندستان |
| plural people | هؤلاء مهندسون | هؤلاء المهندسون |
| nonhuman plural | هذه أجهزة | هذه الأجهزة |
“Plural people” is the learner-friendly core of the traditional rational plural category. Neutral nonhuman plurals take feminine singular demonstrative and adjective agreement; literary personification may exceptionally extend the rational pattern to them (literary). Word order adds a separate verbal distinction: an overt human plural subject before its verb normally has plural verbal agreement, while a verb before an overt plural noun normally remains singular.
The two members of a definite demonstrative phrase change together in the dual. Nominative هذان المشروعان contrasts with accusative/genitive هذين المشروعين.
هذان المشروعان جاهزان للتنفيذ.
hādhāni l-mashrūʿāni jāhizāni li-t-tanfīdh.
These two projects are ready for implementation.
وافقت اللجنة على هذين المشروعين.
wāfaqati l-lajnatu ʿalā hādhayni l-mashrūʿayn.
The committee approved these two projects.
For a nonhuman plural, Arabic normally uses feminine singular هذه/تلك, even though the noun itself remains plural.
تلك ملفات قديمة، وهذه الملفات محدثة.
tilka malaffātun qadīmatun, wa-hādhihi l-malaffātu muḥaddatha(h).
Those are old files, and these files are up to date.
The first half has an indefinite predicate ملفات قديمة: “those are old files.” The second half has the definite phrase هذه الملفات as its subject: “these files.” The same sentence therefore displays both architectures.
Proper names and construct phrases
A proper name is inherently definite, so a demonstrative plus a name behaves like a definite expression: هذا سامر can mean “this is Samer” in an introduction or “this Samer” in marked contrast, depending on context. For beginners, treat a name after a demonstrative as identification rather than as the ordinary indefinite-predicate pattern.
Construct phrases are already definite when their final possessor is definite. Contemporary formal Arabic often places the demonstrative after the complete construct phrase, especially when placing it before the first noun would obscure the relationship.
قرأت تقرير اللجنة هذا صباح اليوم.
qaraʾtu taqrīra l-lajnati hādhā ṣabāḥa l-yawm.
I read this committee report this morning.
Postposed هذا agrees with the head تقرير, not with feminine اللجنة. This pattern is (formal) and common in administrative prose. A simpler phrase with an article normally keeps the demonstrative first: هذا التقرير.
Near, far, and discourse reference
The grammar is the same with near and far forms. Compare definite هذه الخطة “this plan” with the sentence هذه خطة “this is a plan,” and definite تلك الخطة “that plan” with تلك خطة “that is a plan.” Distance can be physical or discourse-based.
هذه الخطة أقل كلفة، لكن تلك الخطة أسرع تنفيذا.
hādhihi l-khuṭṭatu ʾaqallu kulfatan, lakinna tilka l-khuṭṭata ʾasraʿu tanfīdhā.
This plan costs less, but that plan can be implemented faster.
A demonstrative can also turn newly introduced information into an identifiable discourse topic.
اقترح الفريق حلا مؤقتا. هذا الحل يمنحنا وقتا إضافيا.
ʾiqtaraḥa l-farīqu ḥallan muʾaqqatan. hādhā l-ḥallu yamnaḥunā waqtan ʾiḍāfiyyā.
The team proposed a temporary solution. This solution gives us additional time.
The first حلا is indefinite because it introduces a solution. The second mention is definite and retrieved with هذا الحل. English does something similar with a solution followed by this solution, but Arabic makes the new definiteness overt on the noun as well as on the demonstrative.
Definiteness determines the relative construction
When the antecedent is definite, a relative pronoun such as الذي/التي follows it. When it is indefinite, Arabic normally attaches the descriptive clause directly, without a relative pronoun.
هذا هو المقهى الذي نلتقي فيه كل خميس.
hādhā huwa l-maqhā lladhī naltaqī fīhi kulla khamīs.
This is the café where we meet every Thursday.
The definite antecedent المقهى selects الذي. Because the café is the object of في inside the relative clause, the preposition carries resumptive ـه: فيه.
هذا مقهى نلتقي فيه بعد العمل.
hādhā maqhan naltaqī fīhi baʿda l-ʿamal.
This is a café where we meet after work.
The indefinite predicate مقهى takes no الذي, but فيه is still needed: Arabic cannot strand في. Definiteness therefore chooses whether an overt relative pronoun appears; it does not erase the internal requirements of the clause.
أعطني هاتين النسختين اللتين تحدثنا عنهما أمس.
ʾaʿṭinī hātayni n-nuskhatayni llatayni taḥaddathnā ʿanhumā ʾams.
Give me these two copies that we discussed yesterday.
Here accusative dual هاتين النسختين is followed by matching اللتين. The resumptive ـهما in عنهما refers back to exactly two feminine nouns.
Common Mistakes
Confusing “this noun” with “this is a noun”
❌ هذا هاتف على الطاولة.
Incorrect for the intended meaning “this phone is on the table”; the bare noun makes hātif the predicate.
✅ هذا الهاتف على الطاولة.
hādhā l-hātifu ʿalā ṭ-ṭāwila(h).
This phone is on the table.
Adding an article when identifying the type
❌ هذه السيارة كهربائية.
Incorrect for the intended answer “this is an electric car”; this instead means “this car is electric.”
✅ هذه سيارة كهربائية.
hādhihi sayyāratun kahrabāʾiyya(h).
This is an electric car.
Replacing a dual demonstrative with the plural
❌ هؤلاء الطبيبتان في العيادة اليوم.
Incorrect — two female doctors require the feminine dual demonstrative hātāni.
✅ هاتان الطبيبتان في العيادة اليوم.
hātāni ṭ-ṭabībatāni fī l-ʿiyādati l-yawm.
These two doctors are at the clinic today.
Using الذي after an indefinite predicate
❌ هذا متجر الذي يبيع منتجات محلية.
Incorrect — matjar is an indefinite predicate, so its descriptive clause has no alladhī.
✅ هذا متجر يبيع منتجات محلية.
hādhā matjarun yabīʿu muntajātin maḥalliyya(h).
This is a shop that sells local products.
Stranding a preposition as English does
❌ هذه هي القضية التي تحدثنا عن.
Incorrect — ʿan needs the feminine resumptive suffix -hā.
✅ هذه هي القضية التي تحدثنا عنها.
hādhihi hiya l-qaḍiyyatu llatī taḥaddathnā ʿanhā.
This is the issue we discussed.
Key Takeaways
- هذا كتاب is “this is a book”; هذا الكتاب is “this book.”
- A definite noun joins the demonstrative in one noun phrase; an indefinite noun is normally the predicate of a verbless sentence.
- Gender, human/nonhuman number, and dual case apply in both structures.
- A definite antecedent takes an agreeing relative pronoun; an indefinite antecedent takes an unmarked adjective-like clause.
- Prepositional and possessive relationships inside a relative clause still require resumptive suffixes.
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Start learning Arabic →Related Topics
- Far Demonstratives: ذلك، تلك، أولئكA1 — Use the core far demonstratives with the right gender, number, definiteness, and discourse meaning in Modern Standard Arabic.
- Near Demonstratives: هذا، هذه، هذان، هاتان، هؤلاءA1 — Choose near demonstratives by gender, number, case, and human reference, then combine them with definite nouns and relative clauses.
- حيث، عندما، يومَ as Relative and Linking ExpressionsA2 — Express where and when with headless linkers, explicit relative clauses, and the adverbial time noun يوم.