هذا / هذه

In Modern Standard Arabic, demonstrative pronouns (pointing words) are used to identify specific things close to the speaker. Unlike English, these words change based on gender and number.

1. Gender Agreement:
Arabic nouns are either masculine or feminine. You must choose the correct demonstrative:

• هذا: Used for masculine singular nouns (e.g., a man, a book).
• هذه: Used for feminine singular nouns (e.g., a girl, a car).

2. Plurals (Human vs. Non-Human):

• هؤلاء: Used for plural human beings, whether masculine or feminine (e.g., these students, these women).
• Non-Human Plural Rule: All non-human plurals (objects, animals, ideas) are treated as feminine singular. Therefore, you use هذه for 'these' when referring to things like 'these books' (هذه كتب) or 'these houses'.

3. Dual Forms:
For exactly two things, Arabic uses specific dual forms. Unlike the singular and plural, these forms are variable (mu'rab) and change based on their role in the sentence:

• هذان / هذين: Masculine dual (e.g., these two books).
• هاتان / هاتين: Feminine dual (e.g., these two cars).

4. Sentence vs. Phrase:
The way you use these words changes the meaning:

• هذا كتابٌ: 'This is a book' (A complete sentence). The noun is indefinite (no definite article).
• هذا الكتابُ: 'This book...' (A phrase). The noun has the definite article 'al-'. To say 'This is the book', you need a separating pronoun like 'huwa'.

5. Grammar Note:
The singular and plural forms (هذا، هذه، هؤلاء) are invariable (mabni), meaning their endings do not change regardless of their position in the sentence. This contrasts with the dual forms, which change their endings to reflect the grammatical case. Also, note that the long 'a' sound in 'hādha' is traditionally not written as a full letter, though a small 'dagger alif' is sometimes used.