Modal Expressions in Hungarian

Overview

Hungarian expresses modality (obligation, permission, possibility, prohibition) not through auxiliary verbs like English "must/can/may" but through a set of impersonal expressions combined with infinitives: kell (must), szabad (may/allowed), lehet (possible/can), tilos (forbidden), and érdemes (worth). At the CEFR B1 level, mastering these modal expressions is essential for expressing necessity, permission, and ability.

These expressions are typically subjectless — the person obligated or permitted is indicated by a conjugated infinitive rather than a subject pronoun. This makes them structurally different from English modal constructions but highly efficient.

Understanding the interplay between these modals and the conjugated infinitive is key to producing natural Hungarian.

How It Works

Core Modal Expressions

Expression	Meaning	Type
kell	must, need to	obligation
nem kell	don't need to	lack of obligation
szabad	may, allowed to	permission
nem szabad	must not, forbidden	prohibition
lehet	can, possible	possibility
nem lehet	cannot, impossible	impossibility
tilos	forbidden	strong prohibition
érdemes	worth, worthwhile	recommendation
muszáj	must (colloquial)	colloquial obligation
illik	proper, fitting	social obligation

With Conjugated Infinitive (Specifying Person)

Person	Kell example	English
én	Mennem kell.	I must go.
te	Menned kell.	You must go.
ő	Mennie kell.	He/She must go.
mi	Mennünk kell.	We must go.
ti	Mennetek kell.	You (pl) must go.
ők	Menniük kell.	They must go.

With Plain Infinitive (General/Impersonal)

Hungarian	English
Nem szabad dohányozni.	Smoking is not allowed. (general)
Tilos parkolni.	Parking is forbidden. (general)
Érdemes megnézni.	It's worth seeing. (general)

Lehet: Two Functions

Function	Example	English
Modal (can)	Lehet bemenni?	Can one enter?
Epistemic (maybe)	Lehet, hogy esik.	It might rain.

Examples in Context

Hungarian	English	Note
Mennem kell.	I must go.	personal obligation
Szabad kérdeznem?	May I ask?	personal permission
Lehet, hogy esik.	It might rain.	epistemic
Tilos dohányozni.	Smoking is forbidden.	impersonal prohibition
Érdemes megpróbálni.	It's worth trying.	recommendation
Nem kell sietni.	No need to hurry.	lack of obligation
Nem szabad zavarni.	Must not disturb.	prohibition
Muszáj mennem.	I gotta go.	colloquial obligation
Illik köszönni.	It's proper to say hello.	social norm
Lehet kapni?	Can one get (it)?	availability

Common Mistakes

Confusing nem kell and nem szabad

• Wrong: Using nem kell for prohibition
• Right: Nem kell = don't need to; nem szabad = must not
• Why: Nem kell menni (You don't need to go) vs Nem szabad menni (You must not go). Crucially different!

Using subject pronoun with kell

• Wrong: Én kell menni.
• Right: Mennem kell. or (Nekem) mennem kell.
• Why: The person is marked on the conjugated infinitive, not as a subject. Optionally, a dative pronoun (nekem) can be added.

Using kell with conjugated verb instead of infinitive

• Wrong: Kell megyek.
• Right: Mennem kell. or Kell, hogy menjek.
• Why: Kell takes an infinitive (plain or conjugated), not a finite verb. The hogy + finite verb alternative exists but is less elegant.

Usage Notes

The distinction between nem kell (don't have to) and nem szabad (must not) is critical and exactly mirrors the English "don't need to" vs "must not" distinction. Confusing them is a common and meaningful error.

In colloquial speech, muszáj (from German muss ja) replaces kell in casual contexts: Muszáj mennem! (I gotta go!). It is not appropriate in formal writing.

Practice Tips

• Practice each modal with all six persons using conjugated infinitives: mennem kell, menned kell, mennie kell...
• Create scenario-based exercises: signs (tilos, nem szabad), recommendations (érdemes), obligations (kell), permissions (szabad, lehet).
• Drill the nem kell vs nem szabad distinction with concrete examples.

Related Concepts

• Prerequisite: Infinitive Constructions — the infinitive forms used with modals