-(으)려고 vs -기 위해서
Intermediate · TOPIK II
Both express purpose ('in order to'). -(으)려고 is the speaker's intention, conversational, and can't be followed by commands/suggestions; -기 위해서 emphasises the goal, is more formal, and works with commands, suggestions and -아야 하다.
Rules of thumb
- If the main clause is a command, suggestion or 'must' (-아/어야 하다), use -기 위해서 (합격하기 위해서 열심히 공부하세요).
- In casual talk about your own plans, -(으)려고 sounds more natural.
- With nouns: N을/를 위해서 (건강을 위해서 'for health', 가족을 위해서 'for my family').
- -(으)려고 also means 'plan to / be about to' (-(으)려고 하다); -기 위해서 doesn't.
- -기 위해서 doesn't attach to adjectives; use -아/어지기 위해서 (건강해지기 위해서 'to become healthy').
Example sentences
Your browser has no Korean voice installed, so audio can't be played.
- -(으)려고
I go to a language exchange meetup to make Korean friends.
- -기 위해서
To stay healthy, you should walk for 30 minutes every day.
- -기 위해서
Prepare hard so you can pass the exam.
시험에 합격하려고 열심히 준비하세요.
IncorrectPrepare hard to pass the exam. [Wrong: -(eu)ryeogo can't be followed by a command; use -gi wihaeseo]
- -(으)려고
I was just about to head out when the phone rang.