How to say in Czech: Do they need her mobile number?

English
Do need
Czech
Potřebují její mobilní číslo?
What is her telephone number?
They do not need her mobile number.
They need her mobile number.
Did they forget her mobile number?
Do they have her mobile number?
Do they know her mobile number?
Do they want her mobile number?
They do not have her mobile number.
They do not know her mobile number.
They forgot her mobile number.

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