1.(Graduating )from university.the girl was lucky to find a good job.
2.(Having been educated) in a most famous university,he formed a special way to solve the problems he came across and became an outstanding scientist.
3.(Determined )to make a name all by herself,the girl didn't accept any help from her parents.
这三道题为什么要这么填,不可以都用现在完成时的ing形式吗?