what did you do when you cut your finger 与what were you doing when you cut这两个句子有何不同?北师的考研真题,
问题描述：
what did you do when you cut your finger 与what were you doing when you cut这两个句子有何不同?
北师的考研真题,
答
what did you do when you cut your finger ?当你切到手时你做什么了（采取了什么方法或应急措施)
what were you doing when you cut your finger ?当你切到手时你正在做什么？（重点强调是因为什么切的手）
答
what did you do when you cut your finger ?是过去式，意思是：当你切到手时你做了什么？（重点指处理手被切了的方法是什么）
what were you doing when you cut your finger ?是过去进行时，意思是：当你切到手时你正在做什么？？（重点指为什么切到手）
答
what did you do when you cut your finger 当你切到手时你做了什么?（重点指处理方法是什么）
what were you doing when you cut your finger 当你切到手时你正在做什么?（重点指为什么切到手）
答
what did you do when you cut your finger ?是过去时，另一个是过去的那个时间你正在干什么。