MR Brown,as well as his two children is leaving for china in ten days 为什么
问题描述：
MR Brown,as well as his two children is leaving for china in ten days 为什么
要用 is leaving 这个时态
答
in ten days 十天以后,是一般将来时的时间状语.
leave 是表示位置移动的单词,用进行时表示将来.
as well as 连接两个主语,用就远原则,即根据 Mr Brown 来确定,所以用is leaving .