How to say in Czech: Do we know Mr Novák?

English
Do know Novák?
Czech
Známe pana Nováka?
Have we seen Mr Novák anywhere?
Are you Mr Novák?
I am Mr Novák.
Is Mr Novák here?
Where is Mr Novák?
Do we know each other?
Do we know her address?
Do we know this boy?
He knows what we did last year.
He knows what we did yesterday.

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