przeprowadzili

In a sentence

• Przeprowadzili eksperyment naukowy w laboratorium.

  They conducted a scientific experiment in the laboratory.

  Here, 'przeprowadzili' is used to mean 'conducted' or 'carried out', referring to conducting an experiment.

• Przeprowadzili się do nowego mieszkania.

  They moved to a new apartment.

  Here, 'przeprowadzili' is used to mean 'moved', referring to relocating oneself from one place to another.

• Profesorowie przeprowadzili studentów przez trudny materiał kursu.

  The professors guided the students through the difficult course material.

  Here, 'przeprowadzili' is used to mean 'guided through', indicating leading or helping someone understand or navigate something.