1.他一到办公室就坐下来开始工作（upon doing）
He sits down for beginning to work upon arriving at office .
2.爱迪生年轻的时候考卖报纸维持生计(earn one's living by doing sth)
Edison earned his living by selling newspaper when he was young .
3.他养成读书时记笔记的习惯(develop the habit of doing sth)
He develops the habit of taking notes when he is reading .
4. Kate uses up student can help her by whose not only being to finish being teacher .