Korean grammar patterns › Level 4
-(으)므로
because, since (formal / written)
Level 4 · TOPIK II · intermediate
How to use it
Gives a reason or logical ground in formal writing, notices, reports and speeches.
Forming it
| 오다 | → 오므로 |
| 많다 | → 많으므로 |
| 약하다 | → 약하므로 |
| 학생 | → 학생이므로 |
Too stiff for everyday conversation. Generally not followed by commands or suggestions; use -(으)니까 there.
Examples
이 지역은 비가 많이 오므로 홍수에 주의해야 한다.
This area gets a lot of rain, so you must watch out for floods.
이 제품은 열에 약하므로 서늘한 곳에 보관해야 합니다.
This product is sensitive to heat, so it must be stored in a cool place.
Compared with similar patterns
-기 때문에 (G2-007) works in both speech and writing. -기에 (G5-001) is also written but more literary. -(으)니까 (G1-027) is conversational and allows commands.