Я люблю кофе с молоком. I like coffee with milk.
In this sentence the noun МОЛОКО (milk) is put in the form of the Instrumental case С МОЛОКОМ (with milk) as it expresses the quality of the object КОФЕ. In Russian the words that express the presence of the quality of an object are used in the Instrumental case: Девушка с голубыми глазами (The lady with blue eyes). Квартира с балконом (An apartment with a balcony). These are just several examples when to use the Instrumental case in Russian.
In the table below you will find a list of rules on the Instrumental case usage with the examples in Russian and in English. You will see how we use Instrumental with and without prepositions, how we change Nouns, Adjectives, Pronouns in singular and plural forms, wich common verbs are used with the Instrumental case. Read them carefully and try to give your own sample for each rule.
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Instrumental case questions:
(C) кем? (With) who(m)? (С) чем? (With) what? Когда? When? Как? How?
When to use the Instrumental case in Russian. The use of the Instrumental (with examples):