dubtaven

In a sentence

• Els alumnes dubtaven si l'examen era avui.

  The students were unsure whether the exam was today.

  Here, 'dubtaven' is used to express uncertainty.

• Dubtaven sobre com resoldre el problema de matemàtiques.

  They were uncertain about how to solve the math problem.

  In this case, 'dubtaven' indicates hesitation or lack of clarity.

• Els científics dubtaven la teoria presentada.

  The scientists doubted the presented theory.

  Here, 'dubtaven' is employed to mean questioning or disbelief.