How to say in Czech: Her Slovak is getting better.

English
is getting better.
Czech
Její slovenština se zlepšuje.
Her Slovak is very good.
How good is her Slovak?
I do not speak Slovak very well.
You speak Slovak very well.
Her native language is Slovak.
Is she learning Slovak on her own?
He is learning Slovak.
He is not Slovak.
He is Slovak.
Is he learning Slovak?

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