什么是 Did 和 Done？
Did 是动词 do 的一般过去式，用于构成一般过去时的疑问句和否定句。
Done 是动词 do 的过去分词，常与助动词（如 have/has/had）连用，构成完成时态。
Did 的用法
用于一般过去时，表示过去某个时间发生的动作或状态：
✅ Did you do your homework yesterday?
✅ She didn't go to school last week.
✅ She didn't go to school last week.
注意：Did 后面接动词原形，不能用过去式或过去分词。
Done 的用法
作为过去分词，必须与助动词搭配使用：
- 现在完成时：have/has + done
- 过去完成时：had + done
- 被动语态：be + done
✅ I have done my homework.
✅ They had done the project before the meeting.
✅ The work was done by noon.
✅ They had done the project before the meeting.
✅ The work was done by noon.
常见错误对比
- ❌ I have did my homework. → ✅ I have done my homework.
- ❌ Did you finished it? → ✅ Did you finish it?
- ❌ She didn’t has done it. → ✅ She hasn’t done it. / She didn’t do it.
小测验
请选择正确的句子：