-아/어야겠다

How to use it

Expresses the speaker's resolve that something needs to be done, often decided at that moment. Mostly about the speaker (or 'we').

Forming it

For a general rule or obligation use -아/어야 하다; -아/어야겠다 is your own judgment right now.

Examples

• 너무 피곤해서 오늘은 일찍 자야겠어요.

  I'm so tired, I should go to bed early tonight.

• 다음부터는 좀 더 일찍 출발해야겠어요.

  From next time, I'd better leave a bit earlier.

Compared with similar patterns

-아/어야 하다 states an obligation; -겠- alone shows intention; -(으)ㄹ게요 is a promise to the listener.

Related patterns

• -아/어야 하다/되다 must, have to
• -겠- will, intend to (formal); must be (guess)
• -(으)ㄹ게요 I will (promise, decision toward the listener)