-고 싶다
want to
Meaning
-고 싶다 attaches to a verb and says the speaker wants to do that action.
Form
Any verb stem
stem + 고 싶다
먹다 → 먹고 싶다
Polite present
고 싶어요
가고 싶어요
Examples
한국에 가고 싶어요.
I want to go to Korea.
물을 마시고 싶어요.
I want to drink water.
오늘 쉬고 싶어요.
I want to rest today.
Watch out
Mostly the speaker's own want
싶다 is for what you want, or what you ask someone about their want. For another person's desire, Korean usually uses -고 싶어하다. 친구가 가고 싶어해요.