properon Basic wordsalso onCEFR Intermediate (B1)? CEFR Upper intermediate (B2)? Band 2 (BND2)? 正当的,相当的,适当的 improper improper(adjective) 不合礼仪的,不正确的,不适当的,错误的 improperly improperly(adverb) 不适当地,错误地 proper proper(adjective) 正当的,相当的,适当的 properly properly(adverb) 恰当地,正确地,适当地 Forms adjectiveadverb improper improperly proper properly