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I heard him singing when I pass his room.改被动（主语为he）

来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/15 02:40:00
I heard him singing when I pass his room.改被动（主语为he）
He was heard singing when .
再问： 不还原to 吗？什么情况要还原to?
再答： 原句就是ing 就是正在唱歌，转换为被动也要保留这种状态。有一些使依动词变被动时候加to 比如make sb. do 换成sb be made to do.. 还有 一些固定的复合谓语，比如he was reported/said to....
I heard him singing when I pass his room.改被动（主语为he） when I walk p__ his room,I heard him singing.填什么 I heard him singing there改被动句是heard singing还是heard to sing I heard him singing改为被动语态 I heard him ____ (sing) when I passed his room 1、When I passed his room,I heard him （）（sing）2、I always can& 1、When I passed his room,I heard him （）（sing） I often hear him _____(cough)when I pass his room. I heard him ____ (sing) when I passed his room填什么、、、、 I saw him singing in the room.改为被动句 Who heard him singing in the next room?(被动语态) .When I passed by his door,I heard him _____________.