1、I have been reading a book these days.這幾天我一直在看一本書。
2、We have been working hard these days.這些天來，我們一直在努力工作。
3、They have been building a bridge.他們一直在造一座橋。
4、Amy has been playing her radio all morning.艾米整個上午一直開着她的收音機。
5、She lost her book.她丟失了她的書。
6、She didn't go to bed until she had finished her work.她直到把工作做完之後才睡覺。
7、How long have you been working in this library?你在這家圖書館工作多久了？
8、Hardly had I reached the school when the bell rang.我一到學校，鈴就響了。
9、I have been reading the novel.我一直在看這部小說。
10、I’ve never ridden a horse.我從來沒有騎過馬。
