How to say in Czech: Is she learning German on her own?

English
Is learning on her own?
Czech
Ona se učí německy jako samouk?
Is she learning German?
She is learning German.
Where did she learn German?
Is she German?
She is German.
She is not German.
Does she speak German?
She does not speak German.
She does not speak German very well.
She speaks German.

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