A verb is transitive if it can take a direct object — something the action is done to: you read a book, build a house, love music. A verb is intransitive if it cannot: you sleep, you walk, you grow — there's nothing the action passes onto. In Russian this distinction does real grammatical work: it decides whether a verb takes the accusative, whether it can form a passive, and — most importantly for English speakers — which member of a transitive/intransitive pair you must use. The big surprise is that where English reuses one verb both ways ("I open the door / the door opens"), Russian very often splits this into two verbs, the second marked with -ся. This page sorts that out.
Transitive verbs and the accusative
A transitive verb governs a direct object in the accusative case. The object is the thing directly affected by the action. This is the single most reliable test: if you can ask "do what to what / whom?" and answer with an accusative noun, the verb is transitive.
Я чита́ю интере́сную кни́гу.
I'm reading an interesting book. — чита́ть (to read) takes the accusative object кни́гу; transitive.
Они́ стро́ят но́вый дом за́ городом.
They're building a new house out of town. — стро́ить (to build) + accusative дом; transitive.
Я о́чень люблю́ ру́сскую му́зыку.
I really love Russian music. — люби́ть (to love) + accusative му́зыку; transitive.
Ты ви́дишь тот высо́кий дом?
Do you see that tall building? — ви́деть (to see) + accusative дом; transitive.
The accusative object is the hallmark. (Negation can turn that accusative into a genitive — Я не чита́л э́той кни́ги — but the verb is still transitive; it's the case of the object that shifts, not the verb's type.)
Intransitive verbs
Intransitive verbs take no direct object. They describe states (спать "sleep," сиде́ть "sit"), motion (идти́ "go," бежа́ть "run"), or changes (расти́ "grow") — the action doesn't pass onto a patient.
Ребёнок кре́пко спит.
The child is fast asleep. — спать takes no object; intransitive.
Мы идём в парк.
We're going to the park. — идти́ takes a direction (в парк), not a direct object; intransitive.
Де́ти так бы́стро расту́т.
Children grow up so fast. — расти́ has no object; intransitive.
A crucial sub-rule: all -ся verbs are intransitive. The particle -ся historically absorbed the object slot, so a verb carrying -ся can never take an accusative. Учи́ться, занима́ться, смея́ться, наде́яться, боя́ться — none of them governs a direct object (they take the dative, the instrumental, the genitive, or prepositions instead). This is why -ся verbs and transitivity are tied together so tightly. For the full range of what -ся does, see reflexive verbs.
Я занима́юсь ру́сским языко́м ка́ждый день.
I study Russian every day. — занима́ться (-ся) takes the instrumental языко́м, never an accusative; intransitive.
The transitive / -ся-intransitive pair
Here is the heart of the matter for English speakers. English has many labile verbs — verbs that work both ways with no change of form: I open the door (transitive) and the door opens (intransitive). Russian almost never allows this. Instead it keeps the bare verb transitive and adds -ся to make the intransitive twin, where the action happens "by itself."
| Transitive (no -ся): "do X to something" | Intransitive (-ся): "X happens by itself" |
|---|---|
| открыва́ть — Я открыва́ю дверь. (I open the door.) | открыва́ться — Дверь открыва́ется. (The door opens.) |
| начина́ть — Мы начина́ем уро́к. (We begin the lesson.) | начина́ться — Уро́к начина́ется. (The lesson begins.) |
| лома́ть — Он слома́л игру́шку. (He broke the toy.) | лома́ться — Игру́шка слома́лась. (The toy broke.) |
| меня́ть — Они́ меня́ют пра́вила. (They change the rules.) | меня́ться — Пра́вила меня́ются. (The rules change.) |
| конча́ть — Я конча́ю рабо́ту в шесть. (I finish work at six.) | конча́ться — Рабо́та конча́ется в шесть. (Work ends at six.) |
Я открыва́ю окно́ — смотри́, окно́ открыва́ется ту́го.
I open the window — look, the window opens stiffly. — открыва́ю (transitive, I act on it) vs открыва́ется (intransitive, it does it itself).
Дождь начина́ется, а конце́рт ещё не начался́.
The rain is starting, and the concert hasn't started yet. — начина́ться / начался́ (-ся): events beginning by themselves.
У меня́ слома́лся телефо́н — я ничего́ не лома́л!
My phone broke — I didn't break anything! — слома́лся (it broke by itself) vs лома́л (I broke something).
Not every pair is built by adding -ся; some are suppletive — different roots entirely. The everyday "wake up" pair is like this: буди́ть ("to wake someone," transitive) vs просыпа́ться ("to wake up," intransitive, -ся but a different stem). The principle is the same — one verb acts on an object, the other describes the subject undergoing the change — but you can't predict the intransitive from the transitive.
Я бужу́ дете́й в семь, а сам просыпа́юсь в шесть.
I wake the children at seven, and I myself wake up at six. — буди́ть (transitive) vs просыпа́ться (intransitive).
English-Russian transitivity mismatches
Transitivity does not line up neatly across languages. Several verbs that are transitive in English (they take a direct object) are intransitive in Russian (they take an oblique case, never the accusative). These are classic error sources.
- помога́ть "to help" takes the dative, not a direct object: помога́ть дру́гу ("help a friend"), not *помога́ть дру́га.
- звони́ть "to call (phone)" takes the dative: звони́ть ма́ме ("call mum").
- по́льзоваться "to use" takes the instrumental: по́льзоваться словарём ("use a dictionary").
- управля́ть "to drive / manage" takes the instrumental: управля́ть маши́ной.
Я всегда́ помога́ю мла́дшему бра́ту с уро́ками.
I always help my younger brother with his homework. — помога́ть + dative бра́ту, not accusative; intransitive in Russian.
Не забу́дь позвони́ть ба́бушке ве́чером.
Don't forget to call Grandma this evening. — звони́ть + dative ба́бушке.
Я ча́сто по́льзуюсь э́тим прило́жением.
I use this app a lot. — по́льзоваться + instrumental прило́жением.
The mirror case also exists: a few verbs are transitive in Russian but feel intransitive to English speakers because English uses a preposition. The cleanest example is благодари́ть "to thank," which takes a direct accusative object — благодари́ть друзе́й ("thank one's friends"), where English needs no preposition either, but learners often reach for an oblique case by analogy with помога́ть. For the systematic treatment of which verb takes which case, see verb government and verbs governing the dative.
Я хочу́ поблагодари́ть всех за по́мощь.
I want to thank everyone for their help. — благодари́ть + accusative (всех); transitive in Russian.
Why transitivity matters beyond the object
Transitivity is not just bookkeeping; it gates two important constructions:
- Only transitive verbs form passive participles and the -ся passive. You can say прочи́танная кни́га ("a book that has been read," from transitive чита́ть) but there is no passive participle of спать, because intransitive verbs have no object to promote to subject. See passive participles and the passive voice.
- Transitivity is shared within an aspect pair. If the imperfective is transitive, so is its perfective partner: чита́ть / прочита́ть are both transitive; спать (and its perfectives) is intransitive throughout. Aspect changes how the action is bounded, never whether it takes an object.
Письмо́ бы́ло напи́сано вчера́.
The letter was written yesterday. — passive from transitive написа́ть; an intransitive verb couldn't form this.
Common Mistakes
❌ Дверь открыва́ет ме́дленно.
Wrong — the bare verb is transitive and demands an object; 'the door opens by itself' needs the -ся form.
✅ Дверь открыва́ется ме́дленно.
The door opens slowly. — intransitive -ся verb for an action happening by itself.
❌ Я помога́ю мою́ сестру́.
Wrong case — помога́ть is intransitive and takes the DATIVE, not the accusative.
✅ Я помога́ю мое́й сестре́.
I help my sister. — помога́ть + dative сестре́.
❌ Я по́льзуюсь э́тот слова́рь.
Wrong case — по́льзоваться takes the INSTRUMENTAL, not the accusative.
✅ Я по́льзуюсь э́тим словарём.
I use this dictionary. — по́льзоваться + instrumental.
❌ Уро́к начина́ет в де́вять.
Wrong — that means 'the lesson begins [something]'; for 'the lesson begins' use the intransitive -ся form.
✅ Уро́к начина́ется в де́вять.
The lesson begins at nine. — начина́ться (-ся), intransitive.
❌ Я благодарю́ тебе́ за по́мощь.
Wrong case — благодари́ть is transitive and takes the ACCUSATIVE (тебя́), not the dative.
✅ Я благодарю́ тебя́ за по́мощь.
I thank you for your help. — благодари́ть + accusative тебя́.
Key Takeaways
- Transitive verbs take a direct object in the accusative (чита́ть кни́гу); intransitive verbs don't (спать, идти́). Test by asking "что? / кого́?".
- All -ся verbs are intransitive — the particle blocks an accusative object; they take the dative, instrumental, genitive, or prepositions instead.
- Russian splits English's labile verbs: bare verb = transitive, -ся verb = intransitive (Я открыва́ю дверь / Дверь открыва́ется; начина́ть / начина́ться; лома́ть / лома́ться). Some pairs are suppletive (буди́ть / просыпа́ться).
- Watch the mismatches: помога́ть (+ dative), звони́ть (+ dative), по́льзоваться (+ instrumental) are intransitive in Russian though English treats "help, call, use" as transitive; благодари́ть is transitive (+ accusative).
- Transitivity gates the passive (only transitive verbs form passive participles) and is shared within an aspect pair. See also verb government errors.
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- Reflexive Verbs (-ся / -сь)A2 — The particle -ся (after a consonant) / -сь (after a vowel) attaches AFTER the personal ending — умыва́ю → умыва́юсь, у́чится, учи́лся / учи́лась / учи́лись. It rarely means 'oneself': most -ся verbs are intransitive (открыва́ться), reciprocal (встреча́ться), or emotional (боя́ться, смея́ться, нра́виться). The key pattern is the transitive/intransitive pair открыва́ть / открыва́ться.
- Verb Government: Which Case Each Verb TakesB1 — Verb government (управле́ние) — the rule that each Russian verb fixes the CASE (or preposition + case) of its object, and that this case is lexical, not predictable from meaning or from English. Most transitive verbs take the accusative (чита́ть кни́гу), but a large minority take the dative (помога́ть дру́гу), genitive (боя́ться соба́ки), instrumental (занима́ться спо́ртом), or a fixed preposition (ду́мать о тебе́). The insight English speakers miss: 'help', 'use', 'be afraid of' look transitive in English but aren't in Russian — so the case must be stored WITH the verb, like its aspect partner.
- Verbs Governing the DativeB1 — The closed set of high-frequency verbs that take a DATIVE object with no preposition, where English uses a plain direct object — a persistent error source. помога́ть (help), звони́ть (phone), ве́рить (believe/trust), сове́товать (advise), меша́ть (disturb), отвеча́ть (answer), удивля́ться (be surprised at), ра́доваться (be glad of), зави́довать (envy), угрожа́ть (threaten), подража́ть (imitate), принадлежа́ть (belong to), сле́довать (follow), разреша́ть/запреща́ть (allow/forbid). The unifying thread is loose — 'directing an action toward someone' — so they must be drilled with the dative until automatic, because English transitivity interference is strong.
- The Passive VoiceB2 — Russian splits the passive by aspect. The IMPERFECTIVE passive uses a -ся verb for an ongoing process (Дом стро́ится рабо́чими, Вопро́с обсужда́ется); the PERFECTIVE passive uses быть + a short past passive participle for a result (Дом был постро́ен, Письмо́ напи́сано, Реше́ние при́нято). The agent goes in the INSTRUMENTAL, never with a 'by'-preposition. But the passive is bookish — natural Russian recasts most English passives as indefinite-personal actives (Мне сказа́ли 'I was told').
- Passive Participles (-емый, -нный, -тый)B2 — Passive participles describe the receiver of an action: present passive (чита́емый, люби́мый — rare, bookish) and the far more important past passive (прочи́танный, напи́санный, постро́енный, откры́тый), which builds both the adjectival passive and the predicate result construction.
- Verb Government Errors (помогать, звонить, etc.)B1 — A catalog of the verbs English speakers mis-govern: помога́ть and звони́ть take the DATIVE (помога́ть бра́ту, not бра́та), по́льзоваться and занима́ться take the INSTRUMENTAL (по́льзоваться телефо́ном), боя́ться takes the GENITIVE (боя́ться соба́к), and игра́ть takes на + prepositional for instruments (игра́ть на гита́ре). English transitivity is the saboteur — the fix is to memorise the case as part of the verb.