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英语
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his average speed had been 299 miles per hour
这句话用的是过去完成被动时态吗 为什么要用被动形式呢?
人气:158 ℃ 时间:2020-06-17 09:06:03
解答
不是被动式,被动式是be后面加动词的过去分词.
这里的been后面是299 miles per hour,是一个速度,相当于一个名词.
had been是过去完成时态,
意思是在过去的某一时间他的平均速度曾经是(达到过)299 mph
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