如果你是英语老师，你可以说：

"I'm looking for materials to use in my Engpsh class."

或者：

"I'm searching for resources to supplement my Engpsh teaching."

如果你是学生，你可以说：

"My Engpsh teacher is looking for materials to use in class."

或者：

"My Engpsh teacher is searching for resources to supplement the lessons."

希望这些短语对你有帮助。