在英语学习中，“be occupied in” 和 “be occupied with” 都表示“忙于……”，但它们的用法和语义侧重点有所不同。正确区分两者有助于提升语言表达的准确性。
1. “be occupied with + 名词/代词”
表示“忙于某事”或“专注于某事物”，强调所处理的对象（通常是具体的事物、任务或人）。
- She is occupied with her homework.
- The manager is occupied with an important meeting.
- He’s been occupied with family matters lately.
✅ 注意：with 后面通常接名词、代词或动名词（作名词用）。
2. “be occupied in + 动名词（doing）”
强调正在进行的动作或活动过程，侧重于“做某事”的行为本身。
- They are occupied in preparing the report.
- He was occupied in writing a novel last year.
- We were occupied in discussing the project details.
✅ 注意：in 后面必须接动名词（-ing 形式），不能接名词。
3. 对比总结
| 结构 | 侧重点 | 示例 |
|---|---|---|
| be occupied with + 名词 | 忙于某事（对象） | occupied with work |
| be occupied in + doing | 忙于做某事（动作） | occupied in writing |
💡 在现代英语中，“be occupied with + 动名词” 也逐渐被接受，但传统语法仍推荐上述区分。
4. 常见错误提醒
- ❌ He is occupied in his work. （应为：with his work）
- ❌ She is occupied with writing a letter. （更地道的说法是：in writing...，但 with writing 也被部分人使用）
- ✅ 最安全用法：with + 名词；in + doing