1. Adjective + 게 게 is used for making an adjective into an adverb 재미있다(interesting) + 게 => 재미있게(interestingly,entertainingly) 크다(big) + 게 => 크게(greatly; heavily; largely;) 2. Verb + 게 게 is used for the meaning of "in order to,so that" 모든 사람들이 들을 수 있게 큰 소리로 말해라. Speak loudly so that everybody can hear you. 아이들이 마음껏 뛰어놀게 내버려두어라. Let children alone in order to play freely. 3. Verb + 게 하다 means "make someone to do" Verb + 게 되다 means "become to do" 그가 꼭 참석하게 하자. Lets' certainly make him to attend the meeting. 우리는 저녁 늦게야 식사를 하게 되었다. We became to have supper lately.

In Korean, you can transform an adjective into an adverb by adding 게 to the adjective stem of the adjective. Adjective => Adjective stem => Adjective stem 게 맛있다 (delicious) => 맛있=> 맛있게 (tastely) e.g; 맛있게 드세요 = eat tastily = Bon appetit / enjoy you meal