if there had not been a hard layer of rock beneath the soil,they would have completed the job in a hours.这句话我有2处不懂.1.if there had not been这里的had是作“有”的意思吗 had not 是否定形式“没有”的意思?如果这

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iftherehadnotbeenahardlayerofrockbeneaththesoil,theywouldhavecompletedthejobinahours.这句话我有2处不懂.1.ift

if there had not been a hard layer of rock beneath the soil,they would have completed the job in a hours.这句话我有2处不懂.1.if there had not been这里的had是作“有”的意思吗 had not 是否定形式“没有”的意思?如果这
if there had not been a hard layer of rock beneath the soil,they would have completed the job in a hours.这句话我有2处不懂.
1.if there had not been这里的had是作“有”的意思吗 had not 是否定形式“没有”的意思?如果这样的那后面为什么要加been呢?直接if there had not a hard layer of rock beneath the soil这样不就可以了吗?
2.they would have completed the job in a hours,这句话我没能理解,应该怎么划分呢?这里的have什么意思呢?是什么用法?

if there had not been a hard layer of rock beneath the soil,they would have completed the job in a hours.这句话我有2处不懂.1.if there had not been这里的had是作“有”的意思吗 had not 是否定形式“没有”的意思?如果这
这是虚拟语气的用法,if 引导的句子有真实条件句和非真实条件句,非真实条件句就是虚拟语气!
1 与现在事实相反 if + 主语+过去式,主句中:主语+ would/could/might/should + V (原形)
2 与过去事实相反if + 主语+过去完成时(had +过去分词)
主句中 主语 + would/could/might/should + have + 过去分词
3 与将来事实相反 if +主语+动词过去式 / if +主语+ were to +V(原形) / if +主语+should+V(原形) 主句中 :主语+would/could/might/should + V (原形)

If there had not been 改成 had not there been 是had not there been 还是had there not been? 请教两个SAT语法题~1 (If there had been) a power failure,the hospital will run on electricity from its own generators,which can operate for 200 hours.A If there had beenB If there wereC Had there beenD Should there beE There has been这几个 几道SAT语法题1.(If there had been) a power failure,the hospital will run on electricity from its own generators,which can operate for 200 hours.A.If there had beenB.If there wereC.Had there beenD.Should there beE.There has been为什么选D?而 if there had were a heavy snow,i might not have gone skating. (新概念英语)( )her rudder,there is no doubt she would have won.A:That if she had not lost B:Not having lost C:Were she not to lose D:Had she not lost if there had not been a hard layer of rock beneath the soil,they would have completed the job in a hours.这句话我有2处不懂.1.if there had not been这里的had是作“有”的意思吗 had not 是否定形式“没有”的意思?如果这 If in fact it had been you at all lying there,what you had felt.大意是...if 是你 死亡 lying there...翻译中文please?文法是否对?是否应该要加...not thanks a lot if there had not been a layer of rock beneath the soil they would have completed the job.为什么开头 there后面没有was 省略了吗 She did not act as if she had not.She did not pretend she had not seen him.She did not act as if she had not.She did not act as if she had not. 难理解句型Large waves pay very little attention to the columns-they divide right and left and reunite after passing each column,much as a regiment of soldiers would if a tree stood in their road;it is almost as though the columns had not bee If only I ____ there . a have not been b would not been c will not be d had not been答案是D, 但A 为什么不行呢? 关于句子结构和虚拟语气的问题51.If only I ______ there.a.have not been b.would not been c.will not be d.had not been 原因 英语翻译there is no reason we would not have seen the same effect on our views of women if Tom had been elected! 英语翻译It isimplited that nuclear scientis might not have agreed to develop the bomb if there had been no Nazi threat. It would have been just as satisfactory if I had not been there.书上正确的答案是:我还不如去那里百思不得其解,感激 if Alaska had not been sold to the United States,perhaps Russian would be spoken there now.这句话怎么翻译? ( )there when the accident occurred,i would not have believed itA.hadn't i been b.if i wasn't c.if i weren't D.had i not been解答的时候要有每个选项的解释 There is a bee in our classroom