comprobaron
-they checked
The word comprobaron is the preterite form of comprobar in the third person plural.
See the full comprobar conjugation

comprobar

Un año más tarde que comprobaron hacia fuera su amigo.
A year later they checked out on their friend.
Los datos se comprobaron en las instalaciones de esas empresas.
These data were verified at the premises of the company.
Los datos se comprobaron en las instalaciones de las empresas afectadas.
These data were verified at the premises of the companies concerned.
Los datos se comprobaron en las instalaciones de esas empresas.
This data was verified at the premises of the companies concerned.
Los resultados de las pruebas comprobaron su superioridad y seguridad.
The test results verified its safety and superiority.
Dichos datos se comprobaron en las instalaciones de las empresas en cuestión.
These data were verified at the premises of the companies concerned.
Lo comprobaron poco después los Apóstoles, avisados por las mujeres.
The apostles, informed by the women, ascertained it shortly afterwards.
Los datos se cotejaron y se comprobaron con las diversas fuentes disponibles.
Data was cross checked and verified to the various sources available.
Los resultados se comprobaron asimismo analizando algunas otras transacciones.
The outcome was verified by also analysing a number of other transactions.
Este documento también es una falsificación, como lo comprobaron las autoridades de Nigeria.
This document is also a forgery, as verified by the authorities in Nigeria.
Las cifras se comprobaron el pasado viernes, 10 de enero.
Figures were last checked on Friday January 10.
Ellos comprobaron que la habitación estaba vacía.
They checked whether the room was empty.
Cuando ella no contestó, comprobaron que pasaba.
When she didn't answer, they had the super check on her.
Los policías lo comprobaron y tenía razón.
The police looked it up and I was right.
Los policías lo comprobaron y tenía razón.
The policemen looked it up... and I was right.
Bueno, lo comprobaron, pero resultó negativo.
Well, they checked for that, but it was negative.
Probablemente ya lo comprobaron todas las enfermeras.
He's probably felt his way through all the nurses already.
Mi edad, mi número de la seguridad social, ¿No lo comprobaron?
My age, my social security number. They didn't check this guy out?
¿Qué quieres decir con "nunca lo comprobaron"?
What do you mean "they never checked"?
¿Qué quieres decir con "nunca lo comprobaron"?
What do you mean "they never checked"?
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