When I went into the room,I saw Tim sitting on the floor surrounded by boxes,从句里为什么没有be

分类: 作业答案 • 2021-12-19 23:15:21

问题描述：

When I went into the room,I saw Tim sitting on the floor surrounded by boxes,从句里为什么没有be
为什么sitting前没有be动词?

答

因为：
"saw Tim sitting"
see sb doing sth 看见某人正在做某事