sekundit

In a sentence

• Palun oota üks hetk, mul on veel paar sekundit vaja.

  Please wait a moment, I need a few more seconds.

  Here, 'sekundit' is in the partitive singular form, indicating a quantity of time out of an indefinite total amount.

• Kas sa tead, mitu sekundit kulub valgusel Päikeselt Maale jõudmiseks?

  Do you know how many seconds light takes to travel from the Sun to Earth?

  Here, 'sekundit' appears as the partitive plural, referring to the measurement of time in seconds when counting.

• Sain ülesande lahendatud viie sekundiga.

  I solved the task in five seconds.

  In this sentence, 'sekundiga' is the comitative singular form of the word, describing the time frame within which an action was completed.