auxiliary verb

auxiliary-verb的词性：
n.Abbr. aux v, auxGrammar （名词）缩写 aux v， aux【语法】

1. A verb, such as have, can, or will, that accompanies the main verb in a clause and helps to make distinctions in mood, voice, aspect, and tense.
助动词：一类动词，如有，可以， 或 将， 在句中伴随主动词，起到帮助区分语气，语态，体及时态