不完全变化词如oughtmust为不完全变化助动词词的变格不完全变化的变形不全的如英语里的must只有现在时形式
Incomplete conjugation words such as "enough" and "must" are the declension of incomplete conjugation auxiliary verbs, the inflection of incomplete conjugation, and the incomplete form. For example, "must" in English only has the present tense form
以上为机器翻译结果，长、整句建议使用 人工翻译 。
应用推荐