动名词与现在分词区别

问题描述:

动名词与现在分词区别
he and his staff began throwing furniture out of the window.
请问这里的throwing是分词还动名词啊.

肯定是动名词啊,因为现在分词一般都用在现在进行时.上面的句子用到了Begin doing sth
应该能听懂吧.