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

English
Is learning on her own?
Czech
Ona se učí řecky jako samouk?
Is she learning Greek?
She is learning Greek.
Where did she learn Greek?
Does she speak Greek?
She does not speak Greek.
She does not speak Greek very well.
She speaks Greek.
She speaks Greek fluently.
She speaks Greek very well.
She speaks only a little Greek.

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