arriving是不是 arrive的名词形式,sb's arrival和sb's arriving的区别,

问题描述:

arriving是不是 arrive的名词形式,sb's arrival和sb's arriving的区别,
president george w bush's arriving at the tsinghua university in beijing on february 22,2002 was reported in yesterday's newspaper.这句话对吗?还是应该用arrival?

arrival是名词,而arriving是动名词.