区别词和副词,都具有不能作主语、宾语的特点,这明显地区别于体词,体词是经常做主语、宾语的;它们又都具有不能作谓语的特点,这又有别于谓词,谓词的主要功能就是作谓语。区别词和副词主要功能是加在名词、动词或形容词上起修饰作用,所以区别词和副词一起成为既非体词又非谓词的一个实词中的大类:加词。 Differences between words and adverbs, both with the characteristics of the subject can not be as the object, which is clearly different from the body words, body words are often the subject, the object; they have both can not be used as a predicate, which is different from the predicate, The main function of predicate is predicate. The main function of distinguishing words and adverbs is to add modification to nouns, verbs or adjectives. Therefore, distinguishing words and adverbs together form a large category in a real word that is neither a body nor a predicate: the addition of words.