had better / would like to would rather gotta / have to will be able to was able to need to used to / get used to be supposed to 1.의무 You had better go. (니 얼굴 보기 싫어) 가라.
You gotta go. (어 너 늦은거 같은데?)
너 가야지. You need to go.
(필요성에 의해서:우리 부모님 주무신데) 너 가야 돼. You are supposed to go.
(가장 부드러운 표현) 너 가는게 좋을 것 같아. 2.원함 - 선택 I want to go. 나 가고 싶어~ (친구끼리 편하게) I would like to go.
저 가고 싶습니다. (직장 상사등의 질문에 정중하.....
원문 링크 : 조동사 확장편 정리