etteivät

In a sentence

• Hän teki kaiken niin nopeasti, etteivät muut huomanneet.

  He did everything so quickly that others didn't notice.

  Here, 'etteivät' connects the reason or condition of someone not noticing.

• Meidän on kiirehdittävä, etteivät myöhästyisi.

  We must hurry so that they don't become late.

  In this sentence, 'etteivät' expresses purpose or consequence to avoid something.

• Opiskelijat toivat omat kirjansa, etteivät tarvitsisi koulun tarjoamia.

  The students brought their own books so that they wouldn't need the ones provided by the school.

  Here, 'etteivät' introduces the result or motivation for the students’ actions.

• He varmistivat, etteivät unohtaneet mitään.

  They ensured that they did not forget anything.

  In this sentence, 'etteivät' introduces a subordinate clause and functions to negate the clause, translating to 'that they did not'.

• Opetan lapsia niin, etteivät he pelkää virheitä.

  I teach children so that they are not afraid of mistakes.

  Here, 'etteivät' is used to introduce a purpose clause, indicating a goal or intended outcome, translating to 'so that they are not'.

• Hän puhui hiljaa, etteivät muut häiriinny.

  She spoke quietly so that the others would not be disturbed.

  In this context, 'etteivät' introduces a clause expressing a reason or condition for the action, translating to 'so that others would not'.