1. They have just met their opponents.

2. You haven't played your best game yet.

3. I had bought the tickets by the time of their arrival. 

4. I visited a game of cricket when I was in London last year.

5. The coach talked to him yesterday.

6. I have just wrote an email to the sponsor.

7. According to legend, the ancient Olympic Games were founded by Heracles the son of Zeus.

8. I have participated  in two competitions since I began exercising.

9. We have already heard the news about your wins.

10. Over 10,000 athletes took part in the Olympic Games last year.