1. I played soccer yesterday.

2. I was cleaning the room when he came back home.

3. By the time I got outside, the bus had already left.

4. He had been writing the letter till two o'clock.

5. 他刚才还在这里。

6. 我昨日看电视了。

7. 你没尽自已最大努力去做这件事。

8. 那些日子他总是工作到深夜。

9. 那男孩把眼睛张开了一会儿，看看船长，然后就去世了。

10. 安妮在早上唱歌了。

11. 我们昨日在一起。

12. 他今日上午没上课。