How to say in Czech: They have to log in first.

English
have to log in first.
Czech
Nejdřív se musejí přihlásit.
What is your first name?
Did they forget her first name?
Do they know her first name?
They do not know her first name.
They forgot her first name.
They know her first name.
They told her their first name.
Is this your first time here?
Tell me your first name.
It is the first door on the left.

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.