The book had been sold out when I got to the bookstore yesterday afernoon.The book【 had been sold out】 when I got to the bookstore yesterday afernoon.为什么不填has been sold out?因为从句中的got 可连接词是when而不是before啊?

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The book had been sold out when I got to the bookstore yesterday afernoon.The book【 had been sold out】 when I got to the bookstore yesterday afernoon.为什么不填has been sold out?因为从句中的got 可连接词是when而不是before啊?
The book had been sold out when I got to the bookstore yesterday afernoon.
The book【 had been sold out】 when I got to the bookstore yesterday afernoon.为什么不填has been sold out?因为从句中的got 可连接词是when而不是before啊?

The book had been sold out when I got to the bookstore yesterday afernoon.The book【 had been sold out】 when I got to the bookstore yesterday afernoon.为什么不填has been sold out?因为从句中的got 可连接词是when而不是before啊?
这是过去完成时,而has been sold out是现在完成时,
before既可以做介词,又可以做连词,意思是"在^之前".后面接句子时,是连词,如：I had taught in that school before I moved here.
before后面接单词或者短语时,是介词.如：
He came here before 12 o'clock.
when没有介词的用法,做连词的时候是表示1.在……期间I loved history when I was at school.
2.在……之后Call me when you are finished.
3.在任何……的时候Can you spare 5 minutes when it is convenient.
4.一……就He had just drifted off to sleep when the phone rang.
5.考虑到How can they expect to learn anything when they never listen?
6.虽然,可是She claimed to be 18,when I know she is only 16.
when可以做副词eg：when did you come?

I thought maybe the book had been borrow by others有语法问题吗? The respones we've had so far from the public has been very positive.翻译句子 1.She__fifty or so when I first met her at a conference.A.had been B.must be C.has been D.must have been(请解释一下为啥选D不能选A)2.Each they have bought the same book.(这句子是错的.怎麼改?)3.They cost 20 yuan each.(分析一下ea if the teacher had been more careful ,i wouldn't have been so sad 请问这句话有没有错? 新概念3 the noise had been so faint that no one thought that the ship had been damaged 为么要用过完 The book I ___ on the book _____there ever since Alaid…has been lying B had beenB had laid …laid Claid…have been laid Dput…has laid I would have told him the answer had it been possible,but I __________ so busy then.A.was B.were C.had been D.would be It is written in the book that Thomas Edison ____the world's leading inventor over sixty years.A would be B has been C had been D wasWHY? It is said in the book that Thomas Edison ___the world leading inventor for sixty yearsA would be B has been C had been D was He was so interested in reading the book that three hours had passed ___he realized it a.until b.before I was glad when I finally received the book I ( ).A.had long expected B.was long expected C.has long expected D.had long been expected i had rarely been sick in my life so the idea of being in the hospital 求翻译 英语翻译had it not been for the free tickets,i would not have gone to the films so often. The pop song concert was so well___that before it started,all the tickets had been sold out.A.acceptedB.received the noise had been so faint that no one thought that the ship had been damagedThe noise had been so faint请问这句的句子成分和结构。the noise是主语，那谓语呢，had been是过去完成时结构吗？为什么后面不是跟动词 The book is said __ ,so many people hae bought it.A.to have been interestingB.being interestingC.haing been interestingD.to be interesting 英语多项选择 I lost the book I_____.I lost the book I _____．　A．have bought 　　　B．bought C．had bought D．had been bought写原因 He had never had any experience like that.谓语是什么?The book was so interesting that he read ittwice.这是什么从句?