Case suffixes in Serbian

One of the most difficult features of the Serbian language are declensions, i.e. different suffixes which words such as nouns, pronouns, adjectives take in different cases. Let me add all of them in one place, while in the following posts you will be able to focus on practicing these cases, one by one and in a more fun way!

Singular Cases Suffixes in Serbian 

Case name:	Answers question:	Used to describe:	Suffixes (I tried describing just the majority of case endings, general rule, not the exceptions and specific ones)
Nominative	KO? ŠTA? Who? What?	Usually the subject of a sentence and predicative	- Masc. most often ends in a consonant - Fem. most often ends in A - Neut. most often ends in -E or -O
Genitive	KOGA?ČEGA? Of who? Of what?	Possession, belonging, a part of something	- Masc. nouns take an - A ending - Fem. nouns drop the final -a and take an -E ending - Neut. nouns drop the final -e or -o and take an - A ending (while some nouns in animate category add an infix T, so you get deteTA, pileTA)
Dative	KOME?ČEMU? To whom? To what?	The noun to which/ whom something is given, shown, etc.	- Masc. nouns take an - U ending - Fem. nouns drop the final -a and take an -i ending - Neut. nouns drop the final -e or -o and take an - U ending
Accusative	KOGA? ŠTA? Whom? What?	Usually the object of a sentence	- Masc. nouns describing inanimate concepts don't change while nouns in animate category (person / animal / plant) take an - A ending, the same as the genitive case - Fem. nouns drop the final -a and take an -U ending - Neut.  nouns describing inanimate concepts don't change, regardless of the category (animate/inanimate)
Vocative	HEJ! Calling someone or in poems referring to something or some place	Used to address somebody or something	- Masc. nouns ending in a consonant take an - E ending, the ones ending in an -a drop the final -a and take an -O suffix, otherwise they don't change (examples: Dejvid - Dejvide! Pera - Pero! Mirko - Mirko! ) - Fem. nouns  of the foreign origin don't change in the locative, while the two and more syllable ones drop the final -a and take an -O ending, while names ending in -CA drop the final A and take an -E  (Marina! Kim! Nada - Nado! Ljubica - Ljubice!) - Neut. nouns don't change
Instrumental	S KIM? ČIM? Using, with, whom? Using, with, what?	Company (with preposition s) or utilization of something or someone to accomplish an action	- Masc. nouns take an - OM ending - Fem. nouns drop the final -a and take an -OM ending - Neut. nouns drop the final -e or -o and take an - OM ending >>> for all genders, after some "soft" sounds you will have an ending -EM (mužEM, tušEM...)
Locative	GDE? O KOME? O ČEMU? Where? About whom?	Location, Relation	(It's good to know that the locative = dative in form) - Masc. nouns take an - U ending - Fem. nouns drop the final -a and take an -i ending - Neut. nouns drop the final -e or -o and take an - U ending

Plural Cases Suffixes in Serbian ... coming soon

Exercise with Case Suffixes in Serbian

Draga Anna,

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 ps. the answer key is in comments