1.   Tempers soon began to fray.

2.   Tempers began to fray as the two teams failed to score.

3.   Feeling her temper begin to rise again, Rory made a concerted effort to rein it in.

4.   As temperatures rise, tempers begin to flare, and the women have no other choice but to leave.

5.   As the afternoon dragged on, tempers began to flare.

6.   But after a weekend in which tempers slowly began to flare, the players apparently sought to reopen the issue.

7.   Still, tempers had begun to fray.

8.   This week, legal tempers began to flare as lawyers like Broder began preparation for lawsuits.

9.   With stakes of that magnitude, tempers began fraying.

10.   Tempers began to flare as the wait lengthened.