New Post training -ㄹ 수 있다/없다abilityimpossiblepossibleskill 【Training⑲】Let’s traning using “-ㄹ 수 있다/없다” to express possible and impossible. Basic -ㄹ 수 있다/없다abilityimpossiblepossibleskill 【-ㄹ 수 있다/없다】What grammar is useful for expressing possible and impossible?