答：首先,动词没有单复数.动词分动词原形、现在式、过去式、现在分词、过去分词等. 1、 I saw a number of students dance in the hall.a number of+名词复数+动词原形 2、 There was a number of soldiers shooting at the target.a number of+名词复数+现在分词 3、 I found a number of eggs broken in the basket.a number of+名词复数+过去分词,这里的过去分词表示状态（破碎的状态）,而不是动作.
