Verb Stem Classes and Principal Parts: Meanings and Usage | Hungarian Grammar

Hungarian stem alternations do not carry one meaning by themselves. They make tense, mood, person, and object agreement pronounceable and historically well formed. Speakers choose a meaning—current activity, completed event, hypothetical possibility, request—and the relevant part of a verb's paradigm supplies the stem.

For a regular verb, the citation form may be enough to predict everything. For érez, fürdik, lő, alszik, megy, and other multistem verbs, speakers retrieve different principal parts automatically. This page shows those forms doing real communicative work. See stem-class forms for the structural inventory and stem-class contrasts for a decision guide. Unless labeled otherwise, usage is neutral modern standard Hungarian.

Describing what is happening now

Present-tense messages often expose the citation stem or a shortened present alternant. Time adverbs, not the stem class, distinguish an ongoing event from a habit.

A padló még mindig mozog alattunk.

The floor is still moving beneath us.

Sokat mozgunk, mert nem szeretünk egész nap ülni.

We move around a lot because we don't like sitting all day.

Third-person singular mozog keeps the fuller shape; first-person plural mozgunk loses the medial o. Both are ordinary present forms. Még mindig gives the first sentence an ongoing reading, while sokat and egész nap support a habitual generalization in the second.

The same slot-sensitive pattern occurs with érez:

Hideg levegőt érzek az ablak mellett.

I feel cold air beside the window.

A vendégek is érzik, hogy megváltozott a hangulat.

The guests also sense that the atmosphere has changed.

Érzek is indefinite with a bare object. Érzik is third-person plural definite because the following content clause is its object. The shorter érz- appears in both, but stem choice does not encode definiteness by itself; the person-object ending does.

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First determine tense, mood, subject, and object type. Then retrieve the stem alternant required in that cell. A short stem is not automatically indefinite, and a long stem is not automatically present.

Reporting completed events

Past narratives expose principal parts that the citation form may not predict. Regular vár → várt is transparent, but alszik → aludt, megy → ment, jön → jött, and tesz → tett must be known.

Korán lefeküdtünk, de egyikünk sem aludt jól.

We went to bed early, but none of us slept well.

A futár már elment, mire leértem a kapuhoz.

The courier had already left by the time I got down to the gate.

Dóra az asztalra tette a kulcsot, aztán kiment a kertbe.

Dóra put the key on the table, then went out into the garden.

Hungarian simple past covers English simple-past and past-perfect readings when sequencing makes the relationship clear. Már plus the mire clause places elment before leértem, so English naturally uses “had left.” The irregular stem does not create perfect aspect; discourse does.

Expanded-stem verbs may still have a cell-specific exception. Most personal past forms of fürdik use füröd-, as in fürödtem, fürödtünk, but third-person singular is fürdött, not fürödött. Principal parts are useful precisely because a broad label such as “expanded stem” does not predict every cell.

Object reference remains independent. Tett egy megjegyzést “made a comment” is indefinite, while az asztalra tette a kulcsot uses definite tette because a kulcsot is identified.

Imagining alternatives

Conditional meaning selects the conditional principal part. Stable stems take -na/-ne/-ná/-né, but some classes insert a linking vowel or use another stem: tanítana, ugrana, aludna, menne, lenne.

Ha több időm lenne, megtanulnék szőni.

If I had more time, I would learn to weave.

Ha közelebb állna, pontosabban lőne.

If he stood closer, he would shoot more accurately.

A helyedben nem hinnék minden névtelen üzenetnek.

In your place, I wouldn't believe every anonymous message.

Vowel-final sző and lő retain their long-vowel stem before consonant-initial -n- in szőni, lőne; the v seen in szövök, lövök does not appear. Hisz uses hin- in the infinitive and conditional, giving hinni, hinnék; its past hitt and imperative higgyen show further alternants. English would is a separate word; Hungarian packages conditional mood into the finite form.

Requesting and requiring actions

The imperative-subjunctive makes stem-final consonants especially visible. It serves direct commands and subordinate desired or required actions.

Olvasd el még egyszer az utolsó bekezdést!

Read the final paragraph one more time!

Azt szeretném, hogy a csoport lassabban haladjon.

I'd like the group to proceed more slowly.

Kérlek, ne fuss át az úttesten!

Please don't run across the road!

Sibilant olvas- plus a j-initial definite ending yields olvasd in the short second-person definite imperative; other persons show olvasson, olvassuk. Short-vowel-plus-t fut yields fuss. The subordinate clause after szeretném takes imperative-subjunctive haladjon, whereas English uses an infinitival construction.

Stem shape alone does not license the mood. After factive or report predicates Hungarian may use the indicative, while requests and requirements favor imperative-subjunctive. Learn the governing construction together with the verb.

Vowel-final verbs in concrete and figurative uses

The small v-stem class occurs in frequent concrete vocabulary: fő “cook/boil,” lő “shoot,” nő “grow,” sző “weave.” The alternation continues when meanings become figurative.

A leves már fő; tíz perc múlva ebédelhetünk.

The soup is already cooking; we can have lunch in ten minutes.

A vállalat tovább növekszik, de idén lassabban nő, mint tavaly.

The company is continuing to expand, but it is growing more slowly this year than last year.

Derived növekszik has its own longer stem and is not simply another inflected form of nő. In the second clause, citation nő is third-person present; first person would be növök. Lexical derivation and inflection must remain separate.

A kézműves vastag gyapjúból szövi a takarót.

The craftsperson is weaving the blanket from thick wool.

Szövi contains the short-vowel v-stem and a definite ending selected by a takarót. Compare objectless A kézműves sző “The craftsperson is weaving,” which uses the vowel-final citation form.

Prefixes attach to whichever stem the grammar needs

A verbal prefix does not regularize an irregular verb. Megy remains elmegy, elment, elmenne, menjen el; tesz remains letesz, letett, letenne, tegyen le. Neutral positive clauses normally attach the prefix, while negation, focus, and direct imperatives can place it after the finite verb.

A vonat már elment.

The train has already left.

A vonat még nem ment el.

The train hasn't left yet.

Menjen el a következő megállóig, aztán forduljon balra!

Go as far as the next stop, then turn left!

The past stem ment occurs with attached el- in the positive clause and separated el after negation. Imperative menjen also precedes the separated prefix. Stem retrieval and prefix placement are distinct operations.

A short problem-solving dialogue

This exchange is (informal):

Érzed ezt a furcsa szagot?

Do you smell this strange odor?

Igen. Szerintem túl sokáig főtt a leves.

Yes. I think the soup cooked for too long.

Mit tegyünk?

What should we do?

Nyissunk ablakot, és tegyük ki az edényt az erkélyre!

Let's open a window and put the pot out on the balcony!

Érzed uses shortened érz- plus a definite ending for ezt a… szagot. Főtt is the past of vowel-final fő. Tegyünk/tegyük use the imperative stem tegy-, with indefinite tegyünk in the open question and definite tegyük for az edényt. One dialogue activates four different stem and object-agreement decisions.

Formal and informal requests

Register changes person choice and the shape of an imperative, not the lexical stem class. A colleague may say (informal):

Töltsd ki ezt az űrlapot, és küldd vissza délután!

Fill in this form and send it back this afternoon!

An official or customer-service interaction may use third-person respectful address (formal):

Kérem, töltse ki ezt az űrlapot, és küldje vissza délután!

Please fill in this form and return it this afternoon.

T-final tölt gives töltsd/töltse; regular küld gives küldd/küldje. The formal version is not a separate tense. It combines respectful third-person agreement, imperative-subjunctive mood, and the politeness marker kérem.

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When a prefixed or polite form looks unfamiliar, work inward: separate the movable prefix, identify person and mood, then recover the stored stem. This prevents information structure from being mistaken for irregular morphology.

Common Mistakes

❌ Tegnap korán feküdtem le és jól alszottam.

Incorrect — the past stems are feküd- and alud-.

✅ Tegnap korán feküdtem le és jól aludtam.

I went to bed early yesterday and slept well.

❌ Ha lenne időm, szövnék egy sálat.

Incorrect — the conditional of sző uses the long-vowel stem.

✅ Ha lenne időm, szőnék egy sálat.

If I had time, I would weave a scarf.

❌ Nem elment a busz.

Incorrect neutral negation — the prefix follows the finite verb.

✅ Nem ment el a busz.

The bus didn't leave.

❌ Azt szeretném, hogy a gyerek alszik.

Incorrect — a desired action after hogy requires the imperative-subjunctive.

✅ Azt szeretném, hogy a gyerek aludjon.

I'd like the child to sleep.

Key Takeaways

Stem alternants support grammatical meanings; they do not independently mean “past,” “definite,” or “formal.”
Present, past, conditional, and imperative-subjunctive contexts can select different principal parts.
Vowel loss, expanded -szik stems, vowel-final v-stems, and suppletive verbs are lexical patterns that must be stored.
Hungarian object reference selects indefinite or definite endings independently of stem shape.
Verbal prefixes attach to the required stem but move according to negation, focus, and imperative syntax.
English tense and transitivity cannot substitute for Hungarian choices of stem, mood, object series, and prefix position.

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