A1 Case System 5 min read 困难

俄语变格系统：名词角色的秘密代码

Russian cases turn nouns into 'smart words' that tell you exactly what they are doing in a sentence.
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Grammar Rule in 30 Seconds

Russian words change their endings based on their job in the sentence, which we call 'cases'.

  • Nominative: The subject of the sentence (e.g., 'Кот спит' - The cat sleeps).
  • Accusative: The direct object receiving action (e.g., 'Я вижу кота' - I see the cat).
  • Prepositional: Used for location with 'в' or 'на' (e.g., 'в доме' - in the house).
Noun (Base) + Ending = Role in Sentence

Overview

俄语有六个格：主格、属格、与格、宾格、造格和前置格...

How This Grammar Works

在中文里我们靠语序，在俄语里我们靠词尾变化...

Formation Pattern

1
从词典形式（主格）开始...

When To Use It

  • 主格：用于主语...

Common Mistakes

最大的错误是只使用词典里的原始形式...

Contrast With Similar Patterns

有点像英语中的 'I' 和 'me' 的区别...

Quick FAQ

Q

我真的需要学习全部六个格吗？ A: A1级别，重点学习主格、宾格和前置格。

Meanings

The case system is a set of grammatical endings that indicate the function of a noun, pronoun, or adjective within a sentence.

1

Nominative

The subject performing the action.

“Студент учится.”

“Погода хорошая.”

2

Accusative

The direct object receiving the action.

“Я люблю музыку.”

“Он купил машину.”

3

Prepositional

Used to describe location or topic.

“Я живу в Москве.”

“Мы говорим о работе.”

Basic Noun Declension (Singular)

Case Masculine Feminine Neuter
Nominative стол книга окно
Accusative стол книгу окно
Prepositional столе книге окне

Reference Table

Reference table for 俄语变格系统：名词角色的秘密代码
Case Name Key Question Core Function Example (Noun: Мама)
Nominative Who? What? The Subject (The Doer) Мама (Mom)
Accusative Whom? What? Direct Object (The Receiver) Маму (Mom - as object)
Genitive Of whom? Whose? Possession / Absence Мамы (Mom's / No mom)
Prepositional About/In whom/what? Location / Topic о Маме (About mom)
Dative To/For whom? Indirect Object (Recipient) Маме (To mom)
Instrumental With whom/what? Means / Company с Мамой (With mom)

正式程度

正式
Я направляюсь в магазин.

Я направляюсь в магазин. (Daily life)

中性
Я иду в магазин.

Я иду в магазин. (Daily life)

非正式
Иду в магаз.

Иду в магаз. (Daily life)

俚语
Валю в магаз.

Валю в магаз. (Daily life)

The 6 Case Roles of Russian

Case System

The Doer

  • Nominative Subject

The Receiver

  • Accusative Direct Object

The Location

  • Prepositional In/On/About

Subject vs. Object (Feminine)

Nominative (Subject)
Мама Mom (is doing)
Пицца Pizza (is there)
Accusative (Object)
Маму (Love) Mom
Пиццу (Eat) Pizza

Which Case Should I Use?

1

Is it the subject of the sentence?

YES
Nominative
NO
Go to next step
2

Is it the direct object (the 'what')?

YES
Accusative
NO ↓

Common Case Endings (Singular)

📍

Prepositional (Location)

  • • -е (most words)
  • • -ии (words ending in -ия)
🎯

Accusative (Object)

  • • -у (feminine -а)
  • • -ю (feminine -я)
  • • No change (masculine objects)
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按水平分级的例句

1

Это стол.

This is a table.

2

Я вижу стол.

I see a table.

3

Я в доме.

I am in the house.

4

Книга на столе.

The book is on the table.

1

Мама купила машину.

Mom bought a car.

2

Мы идем в парк.

We are going to the park.

3

Он живет в России.

He lives in Russia.

4

Я читаю газету.

I am reading a newspaper.

1

Я интересуюсь искусством.

I am interested in art.

2

Он подарил цветы жене.

He gave flowers to his wife.

3

Без воды нет жизни.

Without water there is no life.

4

Мы говорили о погоде.

We talked about the weather.

1

Благодаря помощи друзей, я справился.

Thanks to the help of friends, I managed.

2

Он управляет большой компанией.

He manages a large company.

3

Я сомневаюсь в его словах.

I doubt his words.

4

Она стала известным врачом.

She became a famous doctor.

1

Вопреки ожиданиям, проект был успешным.

Contrary to expectations, the project was successful.

2

Он был назначен директором института.

He was appointed director of the institute.

3

Я не вижу смысла в этих спорах.

I see no point in these arguments.

4

Мы наслаждаемся тишиной леса.

We are enjoying the silence of the forest.

1

Сей факт свидетельствует о глубоком кризисе.

This fact testifies to a deep crisis.

2

Он пренебрег советами коллег.

He disregarded the advice of colleagues.

3

Ввиду сложившихся обстоятельств, мы уходим.

In view of the circumstances, we are leaving.

4

Она была одарена редким талантом.

She was gifted with a rare talent.

容易混淆

Russian Case System: The Secret Code for Noun Roles 对比 Accusative vs Prepositional

Both involve 'в' or 'на'.

常见错误

✗

Я вижу мама.

✓

Я вижу маму.

Direct objects need the Accusative case.
✗

Я в Москва.

✓

Я в Москве.

Location requires the Prepositional case.
✗

Книга на стол.

✓

Книга на столе.

Location requires the Prepositional case.
✗

Это мой книга.

✓

Это моя книга.

Adjectives must match gender.
✗

Он идет в школу.

✓

Он идет в школу.

Correct, but watch for feminine endings.
✗

Я даю подарок друг.

✓

Я даю подарок другу.

Dative case is needed for recipients.
✗

Я пишу ручка.

✓

Я пишу ручкой.

Instrumental case for tools.
✗

Без вода.

✓

Без воды.

Genitive case after 'без'.
✗

Я с друг.

✓

Я с другом.

Instrumental after 'с'.
✗

Она стала врач.

✓

Она стала врачом.

Instrumental after 'стать'.
✗

Не вижу смысла.

✓

Не вижу смысла.

Correct, but often confused with Accusative.
✗

Вопреки приказа.

✓

Вопреки приказу.

Dative after 'вопреки'.
✗

Благодаря дождь.

✓

Благодаря дождю.

Dative after 'благодаря'.

句型

Я вижу ___.

Real World Usage

Texting constant

Я в парке.

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🎯

The 'Pizza' Rule

If you're stuck on feminine endings, remember 'Пицца' becomes 'Пиццу'. This -а to -у shift is the most common one you'll use daily!
⚠️

Prepositions aren't enough

In English, 'in' does all the work. In Russian, 'в' is just a signal. You MUST change the word ending too, or it sounds like 'I am in Moscow-city-default-form'.
💬

Don't fear mistakes

Russians are very used to foreigners mixing up cases. As long as you get the root of the word right, they'll know if you're ordering a beer or asking for the bathroom.

Smart Tips

Check if it's the subject.

Кот ест. → Кот ест.

发音

стол [stol] vs столы [staly]

Vowel Reduction

Unstressed 'o' sounds like 'a'.

Statement

Я иду в парк. ↘

Falling intonation at the end.

记住它

记忆技巧

Never Give Dad A Interesting Present (Nominative, Genitive, Dative, Accusative, Instrumental, Prepositional).

视觉联想

Imagine a cat (Nominative) wearing a hat (Accusative) sitting on a mat (Prepositional).

Rhyme

Nominative is the start, Accusative plays the object part.

Story

Ivan (Nominative) buys a book (Accusative). He reads it in the park (Prepositional). He gives it to his friend (Dative).

Word Web

столкнигаокнодругМоскваработа

挑战

Label five objects in your room with their correct case endings.

文化笔记

Cases are essential for sounding educated.

Inherited from Proto-Indo-European.

对话开场白

“

Где ты живешь?

日记主题

Write about your day.
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Test Yourself

Fill in the blank with the correct form of 'Москва' (Prepositional).

Я сейчас в ___.

✓ Correct! ✗ Not quite. Correct answer: Москве
After 'в' (in) to indicate location, we use the Prepositional case, which usually ends in -е.
Which sentence correctly uses the Accusative case? 多项选择

Choose the correct way to say 'I want pizza':

✓ Correct! ✗ Not quite. Correct answer: Я хочу пиццу.
When 'пицца' is the object of the verb 'хочу' (want), the feminine ending -а changes to -у.
Find and fix the mistake in the sentence. Error Correction

Find and fix the mistake:

Кофе с сахар.

✓ Correct! ✗ Not quite. Correct answer: Кофе с сахаром.
After 'с' (with), we use the Instrumental case. For masculine nouns, we usually add -ом.

Score: /3

练习题

1 exercises
Fill the blank.

Я вижу ___ (стол).

✓ Correct! ✗ Not quite. Correct answer: стол
Masculine inanimate Accusative.

Score: /1

Practice Bank

10 exercises
Complete the sentence: I am thinking about (Mama). 填空

Я думаю о ___.

✓ Correct! ✗ Not quite. Correct answer: маме
Reorder the words to say 'I love you'. Sentence Reorder

тебя / Я / люблю

✓ Correct! ✗ Not quite. Correct answer: Я тебя люблю
Match the case name with its primary question. Match Pairs

Match the following:

✓ Correct! ✗ Not quite. Correct answer: Nominative:Who?, Accusative:Whom?, Prepositional:Where?
Translate 'With a friend' (using 'друг'). 翻译

Translate: With a friend

✓ Correct! ✗ Not quite. Correct answer: С другом
Identify the error: 'Я читаю книгу.' Error Correction

Is this sentence correct?

✓ Correct! ✗ Not quite. Correct answer: Yes, it is correct.
Which one shows possession? 多项选择

Whose car is it? (Ivan's car)

✓ Correct! ✗ Not quite. Correct answer: Машина Ивана.
I have no (water). 填空

У меня нет ___.

✓ Correct! ✗ Not quite. Correct answer: воды
Put the words in order: 'The cat is on the table.' Sentence Reorder

на / Кот / столе

✓ Correct! ✗ Not quite. Correct answer: Кот на столе
Match the location with the case. Match Pairs

Match the following:

✓ Correct! ✗ Not quite. Correct answer: In the park:Prepositional, Into the park:Accusative, From the park:Genitive
How do you say 'to the friend'? 多项选择

I give a gift (to the friend).

✓ Correct! ✗ Not quite. Correct answer: другу

Score: /10

常见问题 (1)

They provide precision and flexibility.

Scaffolded Practice

1

1

Mastery Progress

Needs Practice

Improving

Strong

Mastered

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In Other Languages

Spanish low

Prepositions

Endings vs Prepositions.

French low

Prepositions

Syntax vs Morphology.

German moderate

Cases

Number of cases.

Japanese low

Particles

Particles vs Endings.

Arabic moderate

I'rab

Vowel changes vs Suffixes.

Chinese none

Word order

No inflection.

Learning Path

Prerequisites

Previous
俄语人称代词：我、你、他、她 (Я, Ты, Он...)

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