his average speed had been 301 这里面的been是什么

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• However,a few days later,he was told that a mistake had been made.His average speed had been 301 miles per hour.为什么不用过去式
• 英语翻译As she had been entirely responsible for the accident in which she had been severely disabled,she had no legal redress.这个as在这里引导的是什么从句?后面的in which 的正常语序是怎么样的?
• His average speed had been 301 miles per hour.句子成分
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• his average speed had been 301 这里面的been是什么
• was done和had been done的区别今天学习新二第34课.主要讲的被动语态的过去式和过去完成时的被动语态.前面的比如he has been worried.he was wanted by the police.这些我都能弄懂.但是后面他这讲他单车这里我没弄明白.his bicycle had been found这句话.为什么要用过去完成?如果用his bicycle was been found不就行了吗?是不是因为找到这辆单车在警官和他说话之前.所以是过去的过去,用过去完成?请老师详解,别忽悠.
• his average speed had been 299 miles per hour
• However,a few days later,he was told that a mistake had been made.His average speed had been 301 miles per hour.为什么不用过去式?was made、 was 301 miles per hour?
• 请问这个句子开头的with是什么意思?It was with great joy ___he received the news that his lost daughter had been found.(2004 福建)答案应该是that 但前面的It was with great joy 个人觉得这个with似乎可以去掉吧~
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