Question

난 산책이나 좀 할게요 Both -(으)ㄹ게(요) and -겠- can be used to mark promises and spontaneous intentions. However, -겠- is more appropriate if the speaker wants to sound more respectful and solemn. -겠- is useful when talking to elders or in formal situations. -(으)ㄹ게(요) is useful when talking about less important actions and tasks and when a less deferential tone is preferred.

Accepted Answer

I'm going to stretch my legs

Front	난 산책이나 좀 할게요
Back	I'm going to stretch my legs
Notes	Both -(으)ㄹ게(요) and -겠- can be used to mark promises and spontaneous intentions. However, -겠- is more appropriate if the speaker wants to sound more respectful and solemn. -겠- is useful when talking to elders or in formal situations. -(으)ㄹ게(요) is useful when talking about less important actions and tasks and when a less deferential tone is preferred.

겠 으)ㄹ게(요 Talking 난 산책이나 좀 할게요 Stretch