1, After I finish the homework I went to see the film.
2、在回家之前，我去郵局把妳的信寄走了。
2, Before go home, I send your letter to the post office.
3、我姐姐考完試就去度假了。
3, My sister went on holiday after the last exam.
4、在進這所大學之前，他已經在農村工作了十年。
4, Before enter the university, he has been working in the office for ten years in the countryside.
5、完成任務之後，他們去了北京。
5, After completing the task, they went to Beijing.