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

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

Czech phrasebook and translator with tens of thousands of sentences translated by humans. Czechslator is being developed by Michal Měchura. CREDITS Czechslator's sentence generation engine is partially based on Grammatical Framework. All Czech pronunciation is computer-generated using Microsoft Azure Text to Speech. When Czechslator cannot find a translation in its own database, it looks in the PanLex dictionary or obtains a machine translation from Microsoft Translator. PRIVACY Czechslator does not save any cookies in your web browser and does not collect personally identifiable data. Czechslator uses StatCounter for traffic analysis, configured not to save any cookies in your web browser and not to collect any personally identifiable data.