This is the first part of the lesson. The rest, the exercises and the reviews are in the app.
Animacy: one small fork, but an important one
By now you can read a noun’s gender at a glance: grad is masculine, žena feminine, more neuter. But masculine nouns carry a second, hidden feature: animacy. Serbian splits masculine nouns into two groups: the living (a man, a brother, a waiter, a horse) and the non-living (a city, a table, bread, a car). You met this split in “Accusative forms”: Vidim konobara, but Vidim grad. It changes exactly one form: the accusative singular of masculine nouns, the form a noun takes when it is the direct object of a verb. This lesson shows where the line between living and non-living runs, and where the traps are.
The rule fits on one line. For an animate masculine noun, the accusative looks like the genitive (Vidim čoveka, I see a man); for an inanimate one, it looks like the nominative, the dictionary form (Vidim grad, I see a city). Animacy changes a noun’s form nowhere else: not in the feminine, not in the neuter, not in the plural. Nor does it touch masculine nouns in -a: tata and sudija decline like žena (“The three declensions”), so it is Vidim tatu, just like Vidim ženu. One fork in the whole system, but you cannot skip it, because it comes up in every sentence where a person or an animal is the object.
The rule in one line: čoveka, but grad
Compare the two columns. On the left, living beings (accusative = genitive, ending -a); on the right, things (accusative = nominative, no change at all):
Notice that the inanimate auto does not change at all (Vozim auto), while the animate konj takes its genitive konja. A fleeting vowel drops out here too, just as it does in the genitive: pas → psa, otac → oca (“Fleeting a”). English has a faint echo of all this. It changes only pronouns for the object (he → him, who → whom), and its pronouns already sort the living (he, she, who) from things (it, what). Serbian does the same kind of sorting with nouns, but only with masculine singular ones.
The practical upshot: the accusative of a living being is its genitive. For first-declension nouns that means the ending -a: čovek → čoveka, otac → oca, pas → psa. The whole genitive waits for you in “Genitive singular forms”, and there you will find that half the work is done: you already have the animate accusative. For a thing you need nothing at all: the accusative is the dictionary form (Kupujem sto, Vidim most, Gledam program). Give the living their genitive ending, leave things alone.
Cheat sheet
The cheat sheet — everything essential from the lesson on one page. In the app it opens at any time.
Animacy: one small fork, but an important one
Animacy is a feature of masculine nouns, and it changes exactly one form: the accusative singular of first-declension nouns. Living (people, animals) → accusative = genitive. Things → accusative = nominative. Feminine, neuter, masculine nouns in -a (Vidim tatu) and the whole plural: no effect.