to 부정사와 동명사 -ing to 부정사와 동명사 Chess is difficult.Playing chess is difficult.동사를 명사로 만든 것, '~하는 것'라고 해석명사가 들어가는 s o c에 들어감뒤에 꼬리가 따라올 수 있음 Ex) eat 먹다 > to eat /eatingEating is happy.> To eat is happy. It(가주어) is happy to eat(진주어).> Not eating chocolates is healthy.> Not to eat chocolates is healthy.> It is healthy not to eat... 주어 자리에 쓸 경우 주어로서의 -ing R + ing=명사 S 자리 예문: Skiing is exciting. It is m..