变位
形容词,比较级 (Adjective, comparative): cleaner
形容词,最高级 (Adjective, superlative): cleanest
形容词 (Adjective): clean
副词,比较级 (Adverb, comparative): cleaner
副词,最高级 (Adverb, superlative): cleanest
副词 (Adverb): clean
名词,单数或不可数 (Noun, singular or mass): clean
动词,过去时 (Verb, past tense): cleaned
动词,动名词或现在分词 (Verb, gerund or present participle): cleaning
动词,第三人称单数现在时 (Verb, 3rd person singular present): cleans
动词,原形 (Verb, base form): clean
动词,非第三人称单数现在时 (Verb, non-3rd person singular present): clean