napisał

In a sentence

• On napisał książkę.

  He wrote a book.

  In this sentence, 'napisał' is used in its basic past tense meaning to describe a completed action of writing something, in this case, a book.

• Kto napisał ten list?

  Who wrote this letter?

  Here, 'napisał' is used in a question structure to inquire about the person who performed the action of writing the letter.

• Napisał do mnie wczoraj wieczorem.

  He wrote to me yesterday evening.

  In this context, 'napisał' is used to indicate the action of sending a written message or correspondence to the speaker, specifying the time of occurrence.