þarf

In a sentence

• Ég þarf að læra fyrir prófið.

  I need to study for the test.

  In this sentence, 'þarf' is used to indicate necessity or obligation.

• Hann þarf ekki að fara strax.

  He does not need to go immediately.

  Here, 'þarf' is used in its negated form to express a lack of necessity.

• Við þurfum nýtt húsgögn fyrir stofuna.

  We need new furniture for the living room.

  In this example, 'þurfum' is the plural form of 'þarf', demonstrating its conjugation based on the subject.