Having studied in university for 3 years,he knows the way very well.
问题描述：
Having studied in university for 3 years,he knows the way very well.
先翻译
另外 开头改成To have studied可以么?
答
之前在大学里学习了三年,他很了解这种方法/方式.
不可以,to have done一般用在 主语+is said to have done.某人./ 物据说做过某事 这样的机构里.做状语的时候一般不能用.