It was raining hard ,but by the time the class was over,the rain___.A.had stopped B.was stopping C.stopped D.would stop.请问by the time the class was over是在raining 之前还是之后.可我就不明白了,既然是had stopped 怎么还会it was

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It was raining hard ,but by the time the class was over,the rain___.
A.had stopped B.was stopping C.stopped D.would stop.请问by the time the class was over是在raining 之前还是之后.可我就不明白了,既然是had stopped 怎么还会it was rainng呢?

楼主记住一点:见到by the time.这个时间状语,后面的动词都是完成时态,
这个句子是过去的事情,“当时雨下得很大,而在下课的时候,雨已经停了.”
再举个例子:By the time I will be 30,I will have earned a fortune.(等我30岁的时候,我已经挣了一大笔钱了.) 用的就是将来完成时