All cases

naming items

nom

subject introduced by вот/это

nom

subject and predicate nouns used in equivalency sentences (--)

nom

subject of conjugated verb

nom

есть +

nom

у ___ есть ___

nom

direct object

accus

direct object using зовут

accus

playing a game (в + )

accus

on what day at what time (в + )

accus

time phrases with repetition (каждый, etc)

accus

в and на expressing destination

accus

time expression conveying length

accus

в and на expressing location

prep

playing an instrument (на + )

prep

о +

prep

expressing which month, year, century (в + )

prep

expressing on a form of transportation (на + )

prep

absence of person or item (нет + )

gen

possessor of item (у + )

gen

expressing in someones possession

gen

of linkages

gen

relative distance (слева от, etc)

gen

expressing origin (из, с, от + )

gen

location “at someones place” (у + )

gen

quantity expressions (numbers)

(2,3,4 gen sing, 5-20 gen pl)

quantity expressions (много, мало, etc)

gen

indirect object (to whom something is done)

dat

indirect object with verbs of communication (говорить, etc)

dat

after помогать, завидовать

dat

the liker when using нравиться, etc

dat

the experiencer when using холодно, etc

dat

age expressions

dat

по + (about/on)

dat

к + (to a person’s place)

dat

expressions of need (надо, etc)

dat

infinitives expressing should

dat

by what means something is done (instrument)

instr

c + (in accompaniment)

instr

complements verbs заниматься, увлекаться

instr

in which seasons and what part of the day

instr

predicate nouns after verbs like быть, стать, работать

instr

expressing location using verbs like перед, за, под, etc

instr

happy holiday c + (поздравлять, поздравить)

instr

болеть + (to be ill with)

instr