如果您想表示老师在学校里播放英语视频，可以这样说:

"The teacher played an Engpsh video in class."

或者，如果您想更详细地描述这一情况，可以这样说:

"During the Engpsh lesson, the teacher played a video for the class to watch. The video was in Engpsh and focused on a particular topic or theme."

希望这些信息对您有帮助!