hefjast

In a sentence

• Kennslustundir hefjast klukkan átta.

  Classes begin at eight o'clock.

  Here, 'hefjast' is used in the sense of 'begin' or 'start' to denote the commencement of classes.

• Fundurinn mun hefjast þegar allir eru komnir.

  The meeting will begin when everyone has arrived.

  In this sentence, 'hefjast' indicates the initiation of the meeting contingent upon a condition, signifying a planned start.

• Þrátt fyrir erfiðleikana, hefst nýr kafli í lífi hans.

  Despite the difficulties, a new chapter in his life begins.

  Here, 'hefjast' metaphorically refers to the start of a new period or phase, often used in a figurative context.