Instrumental Case in Ukrainian

Overview

The instrumental case (орудний відмінок) expresses the means or tool used to perform an action, accompaniment, and predicate nouns after the verb "бути." At the CEFR A2 level, the instrumental is essential for describing how things are done, who you are with, and what profession someone holds.

The instrumental answers "ким?" (by whom?) and "чим?" (with what?). It appears after prepositions з/зі (with), за (behind/after), між (between), над (above), and під (under/below). Its endings are among the most distinctive in the Ukrainian case system.

A notable function of the instrumental in Ukrainian is its use as the predicate case -- after "бути" in past and future tenses, the predicate noun takes instrumental: "Він був лікарем" (He was a doctor).

How It Works

Instrumental Singular Endings

Gender/Type	Ending	Example
Masculine	-ом / -ем	братом, учителем
Feminine -а	-ою	жінкою, книгою
Feminine -я	-ею	землею
Neuter	-ом / -ем	містом, полем

Instrumental Plural: -ами / -ями for all genders

Key Uses

1. Means/instrument: Пишу ручкою. (I write with a pen.)
2. Accompaniment (з + inst): Іду з братом. (I go with brother.)
3. Predicate (after бути): Він є лікарем. (He is a doctor.)
4. Prepositions: за, між, над, під + instrumental
5. Seasons: літом (in summer), зимою (in winter)

Examples in Context

Ukrainian	English	Note
Пишу ручкою.	I write with a pen.	Instrument
Він є лікарем.	He is a doctor.	Predicate instrumental
Іду з братом.	I'm going with brother.	Accompaniment
між домом і школою	between home and school	Position
за столом	behind/at the table	Location
під деревом	under the tree	Position
над містом	above the city	Position
Ріжу ножем.	I cut with a knife.	Tool
Вона стала вчителькою.	She became a teacher.	Predicate after стати
Їду поїздом.	I travel by train.	Means of transport

Common Mistakes

Using nominative for predicate nouns

• Wrong: Він був лікар.
• Right: Він був лікарем.
• Why: In past and future tenses, the predicate noun after бути takes instrumental.

Forgetting instrumental for means of transport

• Wrong: Їду на поїзд. (when meaning "by train")
• Right: Їду поїздом.
• Why: Means of transport uses instrumental without a preposition.

Wrong preposition case pairing

• Wrong: між дома і школи (genitive after між)
• Right: між домом і школою (instrumental)
• Why: Між always requires instrumental case.

Usage Notes

The instrumental as a predicate case is distinctly Slavic. In present tense, the predicate can be nominative (Він лікар) or instrumental (Він є лікарем -- more formal). In past and future, instrumental is standard: Він був лікарем, Він буде лікарем.

Feminine instrumental -ою/-ею is sometimes shortened to -ов/-ев in poetry but not in standard prose.

Practice Tips

1. Tool inventory: Describe actions with their tools: "Пишу ручкою, їм виделкою, ріжу ножем."

2. Accompaniment sentences: Practice "з + instrumental" with different people: з мамою, з братом, з друзями.

3. Profession chains: List professions in instrumental: лікарем, вчителем, інженером.

Related Concepts

• Prerequisite: Case System Introduction -- understanding the case framework