he wanted to know how long the film had lasted when i reache

问题描述:

he wanted to know how long the film had lasted when i reached the cinema
为什么要用the film had lasted
1个回答 分类:英语 2014-09-24

问题解答:

我来补答
因为前面he wanted to know主句用的是过去式,
而后面从句he film had lasted when i reached the cinema又是一个现在完成时,
所以这种情况必须按照主从一致的规则,要把现在完成时变成过去完成时
再问: the film had lasted 可以改为 the film had started
再答: 这里要注意last是一个持续动词,而start是一个瞬间动词 瞬间动词是不能用在一个时间段中的
 
 
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