此文中第一句句子为什么不用过去完成时?Although Campbell reached a speed of over 304 miles per hour,he had great difficulty in controlling the car .Campbell was disappointed to learn that his average speed had been 299 miles per hour.

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/06 07:16:12

此文中第一句句子为什么不用过去完成时?Although Campbell reached a speed of over 304 miles per hour,he had great difficulty in controlling the car .Campbell was disappointed to learn that his average speed had been 299 miles per hour.
此文中第一句句子为什么不用过去完成时?
Although Campbell reached a speed of over 304 miles per hour,he had great difficulty in controlling the car .Campbell was disappointed to learn that 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.Since that time,racing drivers have reached speeds over 600 miles an hour.
第一句用had reached 译为尽管他的速度已经达到了····感觉更合理啊
下面的提到达到速度都用过去完成,最后一句同样是动词reach作者用的是过去完成···
他到底什么意思···这样不同的用法有什么区别吗

此文中第一句句子为什么不用过去完成时?Although Campbell reached a speed of over 304 miles per hour,he had great difficulty in controlling the car .Campbell was disappointed to learn that his average speed had been 299 miles per hour.
过去完成时不等于在过去的现在完成时 而是过去的过去式.
第二句当中用过去完成时是因为Campbell在disappoionted的时候已经没有300miles那么快了 他在回想之前的速度 所以用的是过去完成时
最后一句是现在完成时 意思是 自那之后 赛车手就开到300mph以上了（你应该打错了吧 不是600）

Sorry,我没学到过去完全时,So不会......

reach是短暂性动词 短暂性动词不可以用在完成时中

此文中第一句句子为什么不用过去完成时?Although Campbell reached a speed of over 304 miles per hour,he had great difficulty in controlling the car .Campbell was disappointed to learn that his average speed had been 299 miles per hour. 关于balance off的问题Balance off ledger accounts and prepare a trial balance.这句句子中的off解释为什么?为什么要在此句中用off?不用off可以吗? He hesitated,and then began his words with a smiling face.比如这句 hesitated是在began his words之前 且began his words是过去时 为什么不用had hesitated?我有微妙的感觉这个句子与过去完成时的用法有一些区别 但是 It was in the room that we used to have meetings.为什么此句句子用that而不用where 第一题 为什么用a 不用the eat a apple a day keeps the doctor away.为什么不用to keep表目的此句与eat a apple a day,keep the doctor away.遇到英语句子应怎么分析.打错了an不是a 第一句中的some kind 为什么kind不用加s? 划分以下句子主谓宾以及关系代语which 的用法,此句中为什么不用what作关系代词?They walked in the streets for two hours carrying a sign which said,we need two tickets. They walked in the streets for two hours carrying a sign which said,we need two tickets.划分以上句子主谓宾以及关系代语which 的用法,此句中为什么不用what作关系代词? 分析下句子,-ing -edtyler and jack are seated near floor-to-ceiling windows affording a spectacular view of the city. 此句中为什么用affording?不用afforded,这个语法叫什么?谢谢 It took me a long time before I was able to fully appreciate what they had done for me.为什么句首的took不用过去完成时,不是过去的过去么、 Speaking English is a piece of cake.请翻译此句并解释为什么不用speaking 要用ing形式,为什么不用speak. 关于《傲慢与偏见》开篇第一句It is a truth universally acknowledged,that a single man in possession of a good fortune must be in want of a wife请翻译,并解释一下此句的语法...主要是逗号后面为什么不用which,是强调 The plan coming up at the meeting was practical.此句中的coming up为什么不用came up跟随后面的时态?这是个什么句子?请高手解答! he pretended to have read the book before 有三个问号哦这句子是现在完成时吗?若是,那请问为什么用现在完成时,而不用过去完成时呢?用了过去完成时意义是什么? A short time before,great trees had covered the countryside for miles around.为什么用过去完成时a short time before 如果是过去的时间为什么不用过去时，而要用过去完成时 第一抹春痕 文中你最受感动的句子是哪个?为什么? 第一抹春痕 文中你最受感动的句子是哪个?说说为什么.