

Antes de salir, voy a comprobar el horario del tren.
[ˈantez ðe saˈliɾ, ˈboj a kompɾoˈβaɾ el oˈɾaɾjo ðel ˈtɾen.]
Before leaving, I'm going to check the train schedule.
¿Has comprobado si la puerta está cerrada?
[¿ˈas kompɾoˈβaðo si la ˈpweɾta esˈta θeˈraða?]
Have you checked whether the door is locked?
Comprobé los datos dos veces.
[kompɾoˈβe loz ˈðatoz ˈðoz ˈβeθes.]
I checked the data twice.
"comprobar" is in the lesson "Verbs 4" (Level 6), along with 13 other useful words. LinDuo has 180 topic lessons like this one, 2,369 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.