Russian Cases Explained: All Six Cases
How to choose a Russian case
Decide the meaning first, then choose the case, then build the form. A matching ending alone cannot tell you the case.
1. Find the noun’s role
Ask whether it names the subject, the direct object, the recipient, a possessor, a companion, or a location.
2. Check the verb or preposition
A verb may govern a case (помогать + dative). A preposition may govern one too: к + dative; в/на + accusative for a destination, but prepositional for a location.
3. Choose the noun form
Check gender, singular or plural, declension pattern, and animacy before choosing the ending. Adjectives must agree with the noun.
Worked sentence
Я даю книгу другу.
I give a book to a friend.
- Я — Nominative: The subject: who gives? Я.
- книгу — Accusative: The thing given is the direct object. Книга is feminine singular in -а; its accusative is книгу.
- другу — Dative: The recipient: to whom? Друг is masculine singular; its dative is другу.
Case also helps when word order changes: Мама видит брата and Брата видит мама both mean “Mom sees her brother.” Мама stays nominative and брата stays accusative.
Try choosing the case
Pick the case required by the role or trigger, then reveal why. These questions test the case, not the ending.
Ready to practise Russian cases?
Start with a short beginner drill on the six cases, then follow the learning path into intermediate and advanced case practice as your confidence grows.
Russian Case Endings at a Glance
These are the most common noun endings by case. Actual forms also depend on declension, spelling rules, animacy, and whether the noun is singular or plural.
If needed, swipe sideways to see all columns.
| Case | Questions | Masculine | Feminine | Neuter | Plural | Common triggers |
|---|---|---|---|---|---|---|
| Nominative | кто? что? | ∅ / -й | -а / -я | -о / -е | -ы / -и | Subject; это; predicate noun |
| Genitive | кого? чего? | -а / -я | -ы / -и | -а / -я | -ов / -ев / -ей | у; нет; без; много |
| Dative | кому? чему? | -у / -ю | -е / -и | -у / -ю | -ам / -ям | Recipient; помогать; к |
| Accusative | кого? что? | inanimate = Nom.; animate = Gen. | -у / -ю | same as Nom. | inanimate = Nom.; animate = Gen. | Direct object; в/на (to); через |
| Instrumental | кем? чем? | -ом / -ем | -ой / -ей | -ом / -ем | -ами / -ями | Tool; с (with); profession |
| Prepositional | о ком? о чём? | -е / -и | -е / -и | -е / -и | -ах / -ях | в/на (at); о/об; при |
Accusative forms change for animate nouns: masculine and plural animate nouns generally use the genitive pattern, while inanimate nouns use the nominative pattern.
One noun in all six Russian cases
Follow мама (mom) through six sentences. The highlighted letters are its endings; the noun’s role and nearby words tell you which case it uses. Some endings look alike: маме is dative after помогаю, but prepositional after о.
Nominative (Именительный)
кто? · Subject: who is reading
Мама читает.
Mom is reading. · Ending: -а
Practise nominativeAccusative (Винительный)
кого? · Direct object: whom I see
Я вижу маму.
I see Mom. · Ending: -у
Practise accusativeGenitive (Родительный)
у кого? · Possessor after у: who has the book
У мамы есть книга.
Mom has a book. · Ending: -ы
Practise genitiveDative (Дательный)
кому? · Person receiving help
Я помогаю маме.
I help Mom. · Ending: -е
Practise dativeInstrumental (Творительный)
с кем? · Companion after с: with whom I speak
Я говорю с мамой.
I talk with Mom. · Ending: -ой
Practise instrumentalPrepositional (Предложный)
о ком? · Topic after о: about whom I think
Я думаю о маме.
I think about Mom. · Ending: -е
Practise prepositional
Four nouns across all six cases: singular and plural
Compare an inanimate masculine noun (стол), an animate masculine noun (студент), a feminine -а noun (книга), and a neuter -о noun (окно). The columns show complete forms, not just endings.
If needed, swipe sideways to see all columns.
| Number | Case | стол · table · inanimate masculine | студент · student · animate masculine | книга · book · inanimate feminine | окно · window · inanimate neuter |
|---|---|---|---|---|---|
| singular | Nominative | стол | студент | книга | окно |
| Genitive | стола | студента | книги | окна | |
| Dative | столу | студенту | книге | окну | |
| Accusative | стол | студента | книгу | окно | |
| Instrumental | столом | студентом | книгой | окном | |
| Prepositional | столе | студенте | книге | окне | |
| plural | Nominative | столы | студенты | книги | окна |
| Genitive | столов | студентов | книг | окон | |
| Dative | столам | студентам | книгам | окнам | |
| Accusative | столы | студентов | книги | окна | |
| Instrumental | столами | студентами | книгами | окнами | |
| Prepositional | столах | студентах | книгах | окнах |
These are representative patterns, not every exception; stress is not marked. Animate masculine consonant-declension singular nouns and all animate plurals use genitive-shaped accusatives. Inanimate masculine and neuter singular nouns, and all inanimate plurals, use nominative-shaped accusatives. Singular -а/-я nouns take -у/-ю in the accusative, even animate masculine nouns such as папа → папу.
When do I use each Russian case?
Look for a verb, preposition, or sentence role that calls for a case. These are common starting patterns, not an exhaustive list. Follow each card to its full guide or practise the pattern in a short drill.
Nominative (Именительный)
Accusative (Винительный)
Genitive (Родительный)
Dative (Дательный)
Instrumental (Творительный)
Prepositional (Предложный)
Destination or location: в/на
With в or на, ask whether something is going to a place or is already at a place. Destination takes accusative: Я иду в школу — “I’m going to school”; Я кладу книгу на стол — “I’m putting the book on the table.” Location takes prepositional: Я учусь в школе — “I study at school”; Книга лежит на столе — “The book is on the table.”
Read the Russian prepositions guide or practise preposition contrasts.
Accusative animacy: стол or брата?
The direct object takes the accusative in both sentences: Я вижу стол (“I see a table”) but Я вижу брата (“I see my brother”). For masculine singular nouns, an inanimate object usually looks like the nominative (стол), while an animate one looks like the genitive (брата). The same nominative-versus-genitive distinction applies to plural accusative nouns; feminine singular nouns such as мама → маму follow their own ending pattern.
Similar meanings, different case choices
Recipient or companion?
Я пишу другу. / Я говорю с другом.
Другу is dative: I write to a friend (recipient). С другом is instrumental: I talk with a friend (companion). The preposition с meaning “with” is the clue.
Possession or absence?
У мамы есть книга. / У мамы нет книги.
У мамы is genitive in both sentences. With есть, книга is nominative (“Mom has a book”); after нет, книги is genitive (“Mom has no book”).
Same form, different role
Я помогаю маме. / Я думаю о маме.
Маме is dative after помогать (“help Mom”), but prepositional after о (“think about Mom”). Do not identify its case from its ending alone.
Choose practice for the problem you have
Beginner
Adjectives change with the noun
Case changes more than the noun. An adjective normally agrees with its noun in gender, number, and case. Follow “a new book” through four useful forms; both words change together:
Nominative · subject
новая книга
Новая книга интересная. — The new book is interesting.
Accusative · direct object
новую книгу
Я читаю новую книгу. — I am reading a new book.
Genitive · after нет
новой книги
У меня нет новой книги. — I don't have a new book.
Prepositional · after о
новой книге
Мы говорим о новой книге. — We are talking about a new book.
Новой книге can also be dative in a sentence with a dative trigger; the ending alone does not decide the case. Read the adjective guide or practise adjective forms.
Personal pronouns change case too
Pronouns may change more than a noun ending: я → меня → мне → мной. Use the same trigger-first approach with people as with objects. The last column shows the prepositional form after о (“about”).
If needed, swipe sideways to see all columns.
| Nominative | Genitive | Dative | Accusative | Instrumental | Prepositional |
|---|---|---|---|---|---|
| я | меня | мне | меня | мной | о мне |
| ты | тебя | тебе | тебя | тобой | о тебе |
| он | его | ему | его | им | о нём |
| она | её | ей | её | ей | о ней |
| мы | нас | нам | нас | нами | о нас |
| они | их | им | их | ими | о них |
After many prepositions, third-person pronouns gain н-: его → у него, ему → к нему, о нём. See the pronoun guide and practise pronouns across cases.
Keep learning with connected guides
🎯 Practice Strategy
Start with these cases:
- Nominative - easiest, dictionary form
- Accusative - most common direct objects
- Genitive - very frequent in Russian
Then continue with:
- Dative - indirect objects
- Instrumental - means and professions
- Prepositional - location and topics
Frequently asked questions
How many cases are there in Russian?
The six Russian cases are nominative, accusative, genitive, dative, instrumental, and prepositional. Each case marks a noun's role in a sentence by changing its ending.
What is the nominative case in Russian?
The nominative case is the subject case and the dictionary form of a Russian noun. It identifies who or what performs the action in a sentence.
Which Russian case should I learn first?
Start with the nominative to identify subjects, then learn the accusative for direct objects and the genitive for possession and absence. Add the prepositional, dative, and instrumental as you meet their common triggers.
Where the case system fits in Russian grammar
Cases connect directly to noun gender, adjective agreement, prepositions, and flexible word order. The complete guide shows how those systems work together before you study each case in detail.