wziął

In a sentence

• Janek wziął książkę ze stołu.

  Janek took the book from the table.

  'Wziął' here is the past tense form of the verb 'wziąć', meaning 'to take', referring to an action where Janek took possession of the book.

• Wziął się za naukę przed egzaminem.

  He got down to studying before the exam.

  'Wziął' in this sentence acts as part of the phrase 'wziąć się za coś', which means 'to start doing something' energetically or decisively.

• W końcu wziął odpowiedzialność za swoje czyny.

  He finally took responsibility for his actions.

  Here 'wziął' illustrates taking responsibility, emphasizing assuming or accepting ownership of actions or decisions.