题目内容：

Several years has passed since we started our middle school life.这里为什么是has passed?
several years不是复数形式吗,为什么不是用have passed

优质解答

Several years 几年,属于时间作主语,英语中 时间,数量,金钱作主语都看做第三人称单数.例如：Ten years is a long time.The number of the students in our school is about 2000.Five dollars is not enough for him...