enough后加adj. ? adv. ? n. ?（形容词还是副词还是名词）?到底是哪一个啊

enough 作为形容词‘ 足够的’ 修饰名词时一般放在名词前；作为副词时,修饰形容词/ 副词/ 动词时放在被修饰词的后面。如We have enough time to do it 。He is old enough to go to school 。He didn't run fast enough 。Did you play enough