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Questions & Answers about Tak, ona rozumie.
The lesson is about formal address, but this sentence uses ona (she). How do they connect?
The magic of formal Polish is that it uses the exact same verb form as he/she/it! Since 'she understands' is ona rozumie, saying 'you understand' formally to a woman is simply Pani rozumie.
How would I change this sentence to say 'Yes, you understand' formally to a man?
You just swap the pronoun! Drop ona (she) and use Pan (Sir/Mr.). The verb doesn't change at all, so it becomes Tak, Pan rozumie.
Can I drop the word ona and just say: Tak, rozumie?
Yes, you can! Polish frequently drops subject pronouns because the context usually makes it clear who you are talking about. You mostly keep words like ona for emphasis, like saying 'Yes, she understands' (even if someone else doesn't).
Why does the verb end in -e here, when verbs like mówić (to speak) end in -i (mówi)?
Polish verbs fall into a few different groups that follow slightly different ending patterns. The dictionary form here is rozumieć (to understand), and it belongs to a group that takes an -e ending for the 'he/she/it' form. It's just a different verb pattern you will get used to as you learn more words!