Direct object and animacy
The thing acted upon.
| Gender / type | Rule | Example |
|---|---|---|
| feminine -а | → -у | книгу |
| masc. inanimate | = nominative | вижу стол |
| masc./fem. animate | = genitive | вижу брата |
| neuter | = nominative | вижу окно |
The most visible accusative change.
Living masculine (and plural) nouns take the genitive form.