Czech Case: Instrumental

Among Czech cases, instrumental stands out as a versatile tool for expressing various relationships and functions within sentences.

In this article, we will show you how and why to use it, and give you some examples in Czech.

Read on to find out more about instrumental case in Czech!

Practice what you learn in this article for free:

What is Instrumental Used For?Back to top

Czechs use instrumental case to show how something is done or what is used to do it.

It can also show the condition or quality of something in specific situations.

It answers the questions "s kým?" (with whom?) or "s čím?" (with what?).

Here are some examples of instrumental case:

Of course we also need prepositions to form the instrumental case.
The most common one is s/se (with).

Some others are:

Pro tip:

The prepositions s and se mean the same thing!

se is used before words that start with "s", to make it easier to pronounce, for example: se sestrou

Sometimes in Czech instrumental case, we don't need to use prepositions at all, even if we would use one in English.

Here are some examples:

Instrumental Vs. AccusativeBack to top

One thing you should be aware of:
All the instrumental prepositions (except for "s") are also used with accusative case!

So how do you know when to use which case? It's easy!

Instrumental case is used for things in place, that are not moving,
or are moving within one location.
Accusative case is used for things that are in motion.
It means something is moving towards another place.

For example:

Real-World Instrumental ExamplesBack to top

If you live in Prague, some bus and tram stops use locative case:

You also might hear this phrase:
"Chodec nemá přednost před tramvají" - "A pedestrian does not have priority before a tram".
Be careful! :)

Instrumental Noun EndingsBack to top

As you've seen, "forming the instrumental case" means changing the endings of nouns, adjectives, and pronouns. Here's a simplified table of endings:

Forget the tables!

Just practice using instrumental case here!

Once you get used to it you won't even have to think about it.

But if you do need it, here's a table of the instrumental noun endings:


Gender of Noun Singular endings
hard, soft
Plural endings
hard, soft
Examples
nominative - dative
Masculine
animate/inanimate
-em
-em, -ěm
-y, -i
-i
pes - psem
kůň - koněm
(pl.) psi - psy
(pl.) koně - koni, koňmi
Masculine
animate
(ending with -a)
-ou -y ekologista - ekologistou
(pl.) ekologisty - ekologisty
Feminine -ou
-ami
-emi, -ěmi, -mi
sestra - sestra
kancelář - kanceláří
(pl.) sestry - sestrami
(pl.) kanceláře - kancelářemi
(pl.) písně - písněmi
(pl.) kosti - kostmi
Neuter -em -y
-i
auto - autem
(pl.) auta - auty
(pl.) moře - moři
Some examples from Wikipedia.org

Instrumental Adjective EndingsBack to top

Here are the instrumental endings for Czech adjectives:


Gender of Adjective Singular endings
hard, soft
Plural endings
hard, soft
Examples
nominative - dative
Masculine
animate/inanimate
-ým
-ím
-ými
-ími
mladý - mladým
jarní - jarním
(pl.) mladí/mladé - mladými
(pl.) jarní - jarními
Feminine -ou
-ými
-ími
mladá - mladou
jarní - jarní
(pl.) mladé - mladými
(pl.) jarní - jarními
Neuter -ým
-ím
-ými
-ími
mladé - mladým
jarní - jarním
(pl.) mladé - mladými
(pl.) jarní - jarními
Some examples from Wikipedia.org

Instrumental PronounsBack to top

Here are the instrumental forms of the Czech pronouns:


Nominative form Instrumental form
(short form)
Instrumental form
(after preposition)
mnou
ty tebou
on jím ním
ona
ono jím ním
my námi
vy vámi
oni (m)
ony (f)
ona (n)
jimi nimi
můj (m)
moje, má (f)
moje, mé (n)
mým
mojí, mou
mým
tvůj (m)
tvoje, tvá (f)
tvoje, tvé (n)
tvým
tvojí, tvou
tvým
moji, mí (m)
moje, mé (f)
moje, má (n)
mými
tvoji, tí (m)
tvoje, tvé (f)
tvoje, tvá (n)
tvými
ten (m)
ta (f)
to (n)
tím
tou
tím
ti (m)
ty (f)
ta (n)
těmi
Some examples from Wikipedia.org

In conclusion, Czechs use instrumental case very often in daily conversation.

But it's quite easy: Just try to add -m, and if it's female try to add -u!
If it feels weird to say with those letters, add -í.

You will learn it in no time. Practice and using the language daily will make you confident in Czech. Happy learning!!

Practice what you learned in this article for free: