发现一个男孩在打扫教室 翻译
问题描述：
发现一个男孩在打扫教室 翻译
答
i find a boy cleaning the Classroom. find sb doing sth
答
I find a boy cleaning the classroom.
答
现在时：find that a boy is cleaning the classroom
过去式：found that a boy was cleaning the classroom
答
I find a boy is cleaning the classroom.
答
found a boy cleaning the classroom
答
Found a boy in cleaning the teacher
答
A boy was found cleaning the classroom.