To Be (Present) in Persian

Overview

The verb بودن (budan, "to be") is the most fundamental verb in Persian grammar. You will use it in virtually every conversation, from introducing yourself to describing the world around you. At the A1 level, mastering this verb opens the door to countless basic sentences.

Persian has two ways to express "to be" in the present tense: the full (independent) forms using هستم، هستی، etc., and the short enclitic forms that attach directly to nouns and adjectives. The enclitic forms are far more common in everyday speech. For example, instead of saying من خوشحال هستم (I am happy), most Persians say خوشحالم (I'm happy), with the -م fused onto the adjective.

The negative of "to be" uses the special form نیست (nist) for third person and prefix ن for other forms. This verb is irregular and must be memorized as a set, but the good news is that you will use it so often that it will quickly become second nature.

How It Works

Person	Full Form	Enclitic Form	Example
من (I)	هستم hastam	-م -am	خوشحالم khoshshālam (I'm happy)
تو (you, inf.)	هستی hasti	-ی -i	خوبی? khubi? (Are you well?)
او (he/she)	است ast / هست hast	-ست -st / -ه -e	خوب است / خوبه (He/She is good)
ما (we)	هستیم hastim	-یم -im	آماده‌ایم āmāde-im (We are ready)
شما (you, formal)	هستید hastid	-ید -id	خسته‌اید? khaste-id? (Are you tired?)
آن‌ها (they)	هستند hastand	-ند -and	دانشجوند dāneshjuand (They are students)

Negative forms:

Person	Negative
من	نیستم nistam
تو	نیستی nisti
او	نیست nist
ما	نیستیم nistim
شما	نیستید nistid
آن‌ها	نیستند nistand

Key rules:

• هست (hast) is used for emphasis or to mean "exists": آب هست? (Is there water?)
• است (ast) is the standard third-person copula in written Persian
• In colloquial speech, است becomes -ه (-e): خوبه (it's good)

Examples in Context

Persian	English	Note
من دانشجو هستم.	I am a student.	Full form
دانشجوام.	I'm a student.	Enclitic, more natural
هوا سرد است.	The weather is cold.	Written/formal
هوا سرده.	The weather is cold.	Colloquial
ما آماده هستیم.	We are ready.	Full form for clarity
آماده‌ایم.	We're ready.	Enclitic
او ایرانی نیست.	He/She is not Iranian.	Negative
آن‌ها دانشجو هستند.	They are students.	Full form
خوبی؟ — خوبم، ممنون.	Are you well? — I'm fine, thanks.	Common greeting exchange
کتاب روی میز هست.	The book is on the table.	هست for "exists/is there"

Common Mistakes

Confusing هست and است

• Wrong: او خوب هست (using هست as a plain copula)
• Right: او خوب است / خوبه
• Why: هست is used for existence ("there is") or emphasis. For simple "is" sentences, use است or the enclitic.

Forgetting to use نیست for negation

• Wrong: او خوب نه است
• Right: او خوب نیست
• Why: The negative of است is the special form نیست, not a prefix added to است.

Overusing full forms in speech

• Wrong: من خوشحال هستم، تو خوب هستی (sounds stiff)
• Right: خوشحالم، خوبی؟
• Why: In everyday speech, Persians overwhelmingly prefer the short enclitic forms. The full forms are used mainly for emphasis or in formal writing.

Usage Notes

In written and formal Persian, the full forms (هستم, است, etc.) are standard. In colloquial speech, the enclitics dominate. The third-person enclitic is particularly variable: است in writing, -ه in Tehran speech, and sometimes dropped entirely. Being aware of this register difference helps you sound natural in the right context.

Practice Tips

1. Practice the greeting exchange خوبی؟ خوبم، ممنون until it rolls off your tongue. This one pattern uses the enclitic forms naturally and is something you will say every day.
2. Describe objects around you using enclitic "to be": این کتابه (this is a book), اون بزرگه (that is big). This builds your muscle memory for attaching enclitics.
3. Practice negation with نیست in simple descriptions: هوا گرم نیست (the weather is not hot), من خسته نیستم (I am not tired).

Related Concepts

• Negation with ن (na-/ne-) — how negation works across all Persian verbs
• Colloquial vs Formal Register — understanding when to use full vs enclitic forms