tygodnie

In a sentence

• Przez ostatnie dwa tygodnie pracowałem nad projektem.

  I have been working on the project for the last two weeks.

  Here, 'tygodnie' is used in plural to indicate a period of time, 'two weeks'.

• W ciągu kilku tygodni powinienem skończyć książkę.

  I should finish the book within a few weeks.

  In this case, 'tygodnie' refers to an indefinite number of weeks.

• W kolejne tygodnie będziemy mieli wiele spotkań.

  In the coming weeks, we will have many meetings.

  Here, 'tygodnie' indicates forthcoming, consecutive weeks.