How to say in Czech: Where did he learn Portuguese?

English
Where did learn
Czech
Kde se naučil portugalsky?
He is learning Portuguese.
Is he learning Portuguese?
Is he learning Portuguese on his own?
Does he speak Portuguese?
He does not speak Portuguese.
He does not speak Portuguese very well.
He speaks only a little Portuguese.
He speaks Portuguese.
He speaks Portuguese fluently.
He speaks Portuguese very well.

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