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Russian Cases — the Big Idea
Что такое падежи
Russian has six cases, and it sounds terrifying. A "case" just means: the ending of a word changes depending on the job it does in the sentence. English does this too — you already use cases without noticing. This page is the gentle overview; each case needs its own lesson.
You already use cases — in English
Look how the word for the speaker changes depending on its job:
✓I see the dog(subject)"I" does the action✓The dog sees me(object)"me" receives the action✓It is my dog(possessive)"my" shows ownership
💡 I → me → my is the same idea as Russian cases: one word, different endings for different jobs. Russian just does it to every noun, not only pronouns.
What changes — the ending
Watch the Russian word for "school" change its tail while the core stays the same. The job of the word decides the ending.
✓Москва́(Moskva)Moscow (the subject)✓в Москву́(v Moskvu)to Moscow (going there)✓в Москве́(v Moskvye)in Moscow (being there)
💡 Same word, three endings. You don't change the word order — you change the ending. That's a case.
The six cases at a glance
Here's the whole map. Don't memorise it now — just see what each one is for. Each needs its own lesson.
| Case | Its job | Rough English |
|---|---|---|
| Nominative | the subject (doer) | the dog runs |
| Accusative | the object (done to) | I see the dog |
| Genitive | possession / "of" / absence | the dog's bowl |
| Dative | the receiver / "to" and "for" | I give the dog food |
| Instrumental | the tool / "with" | written with a pen |
| Prepositional | location / "about" | about the dog |
How to actually learn them
💡 Start with two: the nominative (dictionary form) and the accusative (the object). With those you can build real sentences. Add one case at a time. Cases are a marathon, not a sprint, and that's completely normal.
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