"Ty nejsi holka?"

Translation: Are you not a girl?

[maxwellkg7]

Why is "are you a girl?" wrong?

[Sabega]

You are asking if the object is NOT a girl

[BoneheadBass]

"Are you a girl" does not translate the verb correctly. "Nejsi" means "You are not / Are you not."

[Olin334790]

Do you not a girl - it si wrong????

[VladaFu]

Completely wrong English. Missing a verb.

[Annemarie14984]

How can I recognize the difference between a question and a normal sentence? Wouldn't be "You are not a girl." also correct?

[AgnusOinas]

In writing, you recognize a question thanks to the question mark (?) at the end.

In speech, you recognize it thanks to rising intonation, which the text-to-speech software unfortunately fails to deliver.

"You are not a girl?" (still a question) is also a valid and accepted translation here.