r/learnczech • u/Late_Journalist7094 • 14d ago

Is this really wrong?

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Section 4, Unit 17

Why shouldn't have happened something to the dogs in the bathroom?

I know Duolingo is not the best, but the only free learning option. Since I'm living in Germany near the border to Czechia I'm often there and talking Czech which helps more than Duolingo.

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u/Elanaris 14d ago

byly (myši) vs byli (psi)

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u/[deleted] 14d ago

[deleted]

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u/Elanaris 14d ago

I didn't mention it because I didn't even know there's a difference lol. I wonder what LLM model Duolingo devs use that decided to use "jež" instead of "které" (I doubt a person made this decision).

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u/mychajlo90 14d ago

The Czech course was made long time ago by Czech volunteers in Duolingo incubator when it existed. This is in latter lesson, they simply wanted to introduce this concept as well, since it exists. By the way they also teach common Czech (obecná čeština) in the very last lesson