appoint 的被动用法
什么是 appoint 的被动语态？
动词 appoint 表示“任命；委派”，常用于正式场合。其被动语态结构为：
be appointed + (as/to) + 职位/角色
例如：
She was appointed as manager.
He was appointed to the committee.
常见结构与例句
- be appointed as + 职位：强调被任命担任的职务。
They were appointed as directors of the company. - be appointed to + 机构/职位：强调被任命进入某个组织或岗位。
He was appointed to the board last year. - be appointed + 不定式（较少见）：
She was appointed to lead the project.
注意事项
- appoint 是及物动词，必须接宾语，因此在被动语态中主语通常是人。
- 被动语态中通常不省略 be 动词。
- 在正式文体中更常见，口语中可能用 named 或 chosen 替代。
常见错误示例
❌ He appointed as CEO.（缺少 be 动词）
✅ He was appointed as CEO.
❌ She was appointed for teacher.（介词错误）
✅ She was appointed as a teacher.