请帮我造两句子,急用.请看下面：
问题描述：
请帮我造两句子,急用.请看下面：
主动语态 被动词态
一般情况 doing being done （第一组,1样一个）
完成形式 having done having been done （第二组,1样一个）
但：必是简单的初中的学生可以看的明白的单词.谢绝复制.
答
1 doing
John is doing his homework in the classroom.
约翰正在做作业.
2 being done
The homework is being done by John.
约翰正在做作业
3 having done
After having done the homework,John left the classroom.
做完作业后,约翰离开了教室.
4 having been done
The homework having been done, John left the classroom.
写完作业后,约翰离开了教室.
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