How to say in Czech: Is he learning Estonian?

English
Is learning
Czech
Učí se estonsky?
He is learning Estonian.
Is he learning Estonian on his own?
Where did he learn Estonian?
Does he speak Estonian?
He does not speak Estonian.
He does not speak Estonian very well.
He speaks Estonian.
He speaks Estonian fluently.
He speaks Estonian very well.
He speaks only a little Estonian.

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