2. a verb (as am, may, or will) that is used with another verb to express person, number, mood, or tense
helping verb 例句
英汉例句
Long, long ago, when I was in junior high (and you can tell it was a long time ago because we actually called it junior high back then), I had a teacher who did not know what a helping verb was.
很久很久以前,当我还是个初中生的时候,有一位老师不知道什么是助动词,但他却得教我们这个知识。
Now that you've seen this list, do you understand what a helping verb is?