这句话不该用过去完成时吗?为什么用过去式?She( trained )her dog to do whatever it was asked to do before they went for a trip.作为过去的过去,这里的train为什么不用过去完成时?

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这句话不该用过去完成时吗?为什么用过去式?She( trained )her dog to do whatever it was asked to do before they went for a trip.作为过去的过去,这里的train为什么不用过去完成时?

这句话不该用过去完成时吗?为什么用过去式?She( trained )her dog to do whatever it was asked to do before they went for a trip.作为过去的过去,这里的train为什么不用过去完成时?
这句话不该用过去完成时吗?为什么用过去式?
She( trained )her dog to do whatever it was asked to do before they went for a trip.
作为过去的过去,这里的train为什么不用过去完成时?

这句话不该用过去完成时吗?为什么用过去式?She( trained )her dog to do whatever it was asked to do before they went for a trip.作为过去的过去,这里的train为什么不用过去完成时?
可能因为train这个动作是延续性动词.

这句话不该用过去完成时吗?为什么用过去式?She( trained )her dog to do whatever it was asked to do before they went for a trip.作为过去的过去,这里的train为什么不用过去完成时? I would rather they did not hear the news.这句话是虚拟用法 为什么要用过去式...I would rather they did not hear the news.这句话是虚拟用法 为什么要用过去式而不是过去完成时 yesterday能跟过去完成时吗?如果句中有today,要用一般过去式或过去完成时填充句子,应用哪个时态? Could you give me your phone number为什么要用过去式这句话是过去式吗 为什么用Could? 这句话为什么用过去完成时?They had then been without sleep for twenty-four hours. 在she had been on the pill for three years中,为什么要用been在she had been on the pill for three years中,为什么要用过去式been,能否用其他动词过去式,还有,这句话是过去完成时么? 过去完成时的时间前加for可以不可以i had attended party for yesterday noon.这句话可以用for吗?或者是什么?at?in?还是since?还是用过去式不加had? 主句用过去完成时,从句用一般过去式,这是不是就是“ 主过从现 不是说would rather 从句时态表示与过去相反时用过去完成时,否则用一般过去式吗?、为什么此题用原形呢? 第4空make该不该用过去式? Now I m working in Beijing.I (worked) in Shanghai for 8 years为什么用过去式而不是过去完成时? 第三十三题 这句话为什么要用过去式?不是应该用过去完成式吗? “Why did you choose your diary and old letters her father asked her.这句话变成间接引语:用过去完成时是对的,为什么可以用一般过去时?这句话本身是一般过去时变成间接引语应该用过去完成时,为什么 if there had not been a hard layer of rock beneath the soil,they would have completed the job in a few hours.这句话为什么要用过去完成时呢?为什么不用一般过去式呢?改成这样 if there were not a hard layer of rock beneath the 过去式和过去完成时有区别吗、 为什么这句话错了?(some notebooks are in there)这句话里面 (some notebooks are in there )的 “in” 改用不该用?为什么? last month our car had risen 他是过去完成时 但过去时间点 不是直接用过去式就行了吗 关于过去完成时什么时候用,像只要一个句子还有before和过去式那一定有过去完成时了?