She caught sight of a figure disappearing into the darkness.这句话中disappearing做什么成分

分类: 作业答案 • 2022-01-09 18:05:15

问题描述：

She caught sight of a figure disappearing into the darkness.这句话中disappearing做什么成分
最好解释清楚些

答

catch 感官动词,“抓住某人做某事”catch sb doing sth
用动词ing形式作宾语补足语