'에서' is used only with action verbs (to go, to hit, to drive) to indicate where the action is happening.
- PC방에서 이메일을 보냈어.
- I sent an e-mail at the PC room.
- (PC room-at e-mail sent.)
- 친구가 학교에서 기다립니다.
- My friend is waiting at school.
- (Friend school-at waiting.)
'에서' is also used to indicate a point of departure.
- 어디에서 오셨습니까?
- Where are you from?
- (Where-from came?)
- 샌프란시스코에서 시애틀까지 얼마나 멉니까?
- How far is it from San Francisco to Seattle?
- (San Francisco-from Seattle-to how far?)
'에게서' and '한테서' are like their counterparts '에게' and '한테' above but instead of indicating an action to a person or animal, they point out action from a person or animal. '에게서' and '한테서' can be used interchangeably.
- 삼촌에게서 용돈을 받았어.
- I got some money from my uncle.
- (Uncle-from money received.)
- 친구한테서 소문을 들었어.
- I heard a rumor from a friend.
- (Friend-from rumor heard.)
Following along? If you are having trouble, try not to rush through. Take your time with each lesson.

