Introduction to Verbal Aspect
In Polish, verbs usually come in pairs. This is known as aspect. The two aspects are:
- Imperfective: Focuses on the process, ongoing actions, or repeated habits (e.g., "I was reading", "I used to read").
- Perfective: Focuses on the completion and result of a single action (e.g., "I read the whole book").
In this lesson, we will focus on the perfective past tense, which you use to talk about specific actions successfully completed in the past.
Prefixes for Completed Actions
Many perfective verbs are formed simply by adding a prefix to the imperfective verb you already know. For example, czytać (to be reading) becomes przeczytać (to finish reading), and pisać (to be writing) becomes napisać (to finish writing).
Perfective verbs conjugate in the past tense using the exact same rules and endings you already know—just apply them to the new stem.
Similarly, gotować (to be cooking) becomes the perfective ugotować, and dzwonić (to be calling) becomes zadzwonić.
Eating and Drinking
To say you finished eating or drinking something, use the perfective verbs zjeść (from jeść) and wypić (from pić).
Like its imperfective partner, the vowel in zjeść shifts depending on gender and number (e.g., -a- in the singular zjadł/zjadła, but -e- in the virile plural zjedli).
Watching and Buying
The perfective partner for oglądać (to be watching) is obejrzeć (to watch to the end). It also has a slight vowel shift in the past tense between the singular/non-virile (obejrzał, obejrzały) and the virile plural (obejrzeli).
For kupować (to be buying), the perfective form is simply kupić.
Completely Different Partners
Sometimes, the perfective partner looks entirely different from the imperfective verb you learned. Two high-frequency examples are:
- mówić (to be speaking/saying) → powiedzieć (to say completely / to tell)
- widzieć (to be seeing) → zobaczyć (to see / to catch sight of)