Korean grammar · Level 2 · 2급
V/A-아서/어서 (reason)
Because, so
Taught in Level 2, Unit 5: Where does it hurt?
last unit -아서/어서 meant 'and then' (가서 사요). It has a second job, and it is the one you will use all day at the clinic: 'because'. 배가 아파서 … says why you are there.
Example
머리가 아파서 학교에 못 갔어요.
I had a headache, so I couldn't go to school.

The full explanation is in the unit · part of the Level 2 Pass, opening soon · Level 2, Unit 5
Where does it hurt?
The rule with a table, Sori’s tips, practice that checks itself, a review room and a one-page cheat sheet.
See the unit preview →