https://www.youtube.com/watch?v=9dfWzp7rYR4
Would "... nie fruwają" also be right. Sorry, I don't really know how it's written. I just heard it when I was in Warsaw this spring
We started accepting it some time ago and it works here. Also, you wrote it perfectly :)
penguins are not flying - system told me I am wrong. Why? It is the context-independent set of words.
And anyway, if they are (or not) flying at the moment, it's "nie lecą". Verbs of motion are these rare exceptions that actually do show a difference between Present Simple and present Continous.
this explanation helped me a lot. I had been quite confused as to the subtle (to me) differences.
Can "Penguins can't fly" not work here?
Hmmm... ok, in such a general sentence, I guess it's fine. Added.
difficult to make out the word "pingwiny", even on slow button.
Dopóki nie dostaną kopa w tyłek