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Make a promise with another person or oneself

In English: To decide to do, promise to do

Used to make a promise with another person or oneself.

• 건강 때문에 올해부터 담배를 끊기로 했어요.

  건강 때무네 올해부터 담배를 끈키로 해써요.said like thisgeongang ttaemune olhaebuteo dambaereul kkeunkiro haesseoyo.

  I made the decision to stop smoking for my health from this year.

• 우리는 3년 후에 결혼하기로 했습니다.

  우리는 3년 후에 결혼하기로 핻씀니다.said like thisurineun 3nyeon hue gyeolhonhagiro haetseumnida.

  We've decided to get married three years from now.

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