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A2 · Basics · Lesson 10
Instrumental, locative & dative
The other three everyday cases, each tied to a trigger.
Three cases finish the everyday set. Instrumental answers 'with what / by what?' and follows być for jobs. Locative only appears after w, na, o, przy, po. Dative is the 'to / for someone' case — the receiver of an action or a feeling.
| Case | Trigger | Example |
|---|---|---|
| Instrumental | with / by / być | Jadę autobusem; Jestem lekarzem |
| Locative | after w, na, o, przy, po | Mieszkam w Warszawie |
| Dative | to / for someone | Pomagam mamie; Daję jej kwiaty |
- •Instrumental endings: masc/neut -em, fem -ą.
- •Dative shows up in feelings: Jest mi zimno (I'm cold).
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Jadę pociągiem.
I'm going by train.
Mieszkam w Polsce.
I live in Poland.
Pomagam bratu.
I help my brother.
Piszę długopisem.
I'm writing with a pen.
Myślę o tobie.
I'm thinking about you.
🧠 Tactic — Memorise the trigger, not a table: instrumental = 'with', locative = 'w/na/o', dative = a person receiving.
⚠️ Watch out — Locative never stands alone — it always rides on a preposition (w, na, o, przy, po).
Quick check
'I live in Warsaw':
w + locative: w Warszawie.
'I help mum' (dative):
pomagać takes the dative: mamie.
Practice
Now produce the answers yourself — type them, choose the form, or build the sentence.
Jadę ___ . (pociąg — by train)
instrumental = by means of.
Mieszkam w ___ . (Polska)
locative after w.
Pomagam ___ . (brat — dative)
Jestem ___ . (lekarz)
być + job → instrumental.
Say: I live in Poland.
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