How to say in Czech: They do not speak Slovak.

English
do not speak
Czech
Oni nemluví slovensky.
They do not speak Slovak very well.
Do they speak Slovak?
They speak only a little Slovak.
They speak Slovak.
They speak Slovak fluently.
They speak Slovak very well.
Does anybody here speak Slovak?
Where did they learn Slovak?
They are not Slovak.
Are they learning Slovak?

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