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
问题描述：
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
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since加时间点是现在完成时的标志
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several years 是一个整体，指的是这段时间过去了
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你好。在这里Several years是一个整体概念，前面省略了a period of , 属於单数形式。
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这里就是把Several years看成是一个概念的整体
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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...
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因为前面有several