How to say in Czech: He speaks Finnish fluently.

English
speaks fluently.
Czech
On mluví plynně finsky.
He speaks Finnish.
He speaks Finnish very well.
He speaks only a little Finnish.
Does he speak Finnish?
He does not speak Finnish.
He does not speak Finnish very well.
Does anybody here speak Finnish?
He is Finnish.
He is learning Finnish.
He is not Finnish.

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