Mr Green,together with his son ,was supper at 6 o'clock yesterday evening.
问题描述：
Mr Green,together with his son ,was supper at 6 o'clock yesterday evening.
这里为什么用was 而不是用were?
答
主语是Mr Green,只有一个人,所以用was,together with his son,是同位语用来修饰Mr Green.