demonstrou

In a sentence

• Ele demonstrou grande interesse pelo projeto.

  He demonstrated great interest in the project.

  Here, "demonstrou" is used to indicate that the subject explicitly showed or expressed interest in the project, reflecting action.

• A pesquisa demonstrou resultados positivos.

  The research demonstrated positive results.

  In this case, "demonstrou" is employed to mean that the research revealed or proved something through evidence or findings.

• Ela demonstrou coragem ao enfrentar os desafios.

  She demonstrated courage in facing the challenges.

  Here, "demonstrou" is used to convey that the subject exhibited or displayed a quality, in this case, courage, during difficult situations.