Find the mistake???

[alprince20013]

1-the manager thanked every one on all their hard work
2-He won a medal in swimming
3-football comes peoples together when their teams do it
4-I work much better if i take a small break every hour
5-Loisel and his wife are not as rich as they would like being
6-we used to meet two times a week last holiday
7-they were used to spend their weekends in alex.they don't any more