“get + 过去分词”表被动；“get + 过去分词”往往强调一种突发或偶发事件，多为不愿看到的事情。“get + 过去分词”在表示强调、否定和疑问时，需借助助动词do或did；“get + 过去分词”可以有进行时态，表示一种“渐变过程”

He got injured by a car when he was crossing the road.

过马路时他被车撞伤了。

The students are getting prepared for the sports meeting.

学生们正在为运动会做准备。

She was getting worried about her exams.

她当时正在为考试发愁呢。