21.   Teachers try to help the teen-agers find ways to avoid verbal and physical conflict and to think through their actions.

22.   Teachers also try their best to enforce abstinence.

23.   Teachers often try to shout over the din and end up screaming at one another and at the students.

24.   Teachers try to encourage the transplanted students who, they say, are prone to outbursts of tears.

25.   Teachers try to keep everyone calm.

26.   The African-American historian said that minority parents should fight back when teachers try to channel their students into low-level courses.

27.   The rules are a little stricter at school, and the teachers try not to get too excited about sports.

28.   The scene was near chaos, and the teachers tried to set some sort of order.

29.   The teachers tried to enjoy themselves.

30.   The teacher was trying to explain his point, searching for the perfect tool to do so.