zastanawialiście

In a sentence

• Czy zastanawialiście się nad wyborem tego filmu?

  Have you considered choosing this movie?

  This is a question in the past tense, using 'zastanawialiście' to address a group of people informally about their opinion or consideration.

• Zastanawialiście się, co zrobić w takiej sytuacji.

  You have been thinking about what to do in such a situation.

  The word 'zastanawialiście' here indicates an action that a group was performing, namely reflecting or thinking.

• Nie zastanawialiście się, dlaczego nie ma go w domu?

  Did you not think about why he is not at home?

  This negative question uses 'zastanawialiście' to inquire if a group has not considered a subject.