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问题 主语从句that和how

It's unknown to us______the air crash occurred in the mountainous area yesterday.A. that    B. how答案选择A。 请问为什么不是B，我们不知道昨天在山区的空难是如何发生的？然后由how引导的从句做真正主语。

问题 句子时态问题

Those were the last words he ever spoke to us.It'll just be the last thing we ever do.第一个句子的定语从句可不可以改为现在完成时，此时是不是表达到现在为止对我们说的最后一句话？如果用过去完成时，是不是表达到谓语were的时间为止对我们...

问题 不定式和现在分词的区分

China is witnessing the internet swarming with Whanghong, the grass-root internet celebrities who win nationwide population by pulling stunts.swarming是否可以改为to swarm？如果不可以，什么时候witness后可以接：名词+不定式？

问题 不同的语法结构可以并列吗

They didn't win by chance but rather because they performed better than the other team in the last minute. by chance是介词词组，后面是because引导的原因状语分句，两个不同的语法结构怎么能并列呢？请问一定要相同的语法结构才能并列吗？

问题 谓语动词之间为什么没有连词

I used classical techniques, translated from my college days spent in the darkroom into Photoshop, to achieve the black-and-white image. 句子来自2021高考英语全国卷Ⅱ阅读理解A。请问句子如何分析？如何翻译？

问题 过去分词fallen的用法

The leaves are all fallen, now that winter is here.1) 根据词典，fallen只用于名词前作定语，不做表语，那么句中的fallen是否使用错误？2) 如果fallen的使用没有问题，那么是否可以改为：The leaves have fallen, now that winter is here. 这句和原句意思...

问题 名词的单复数问题

...作中的一句话：She can also tell stories, so she often performs in the school shows.这里的shows用了复数形式，是否可以理解成学校多次，各种的shows?我认为用单数形式the school show也可以，理解为学校特定时间的一次show.请专家老师帮我分析，...

问题 too...to和so...that...

The shoes are too small to wear.The shoes are so small that I can't wear them.为什么too...to中wear后面不需要再加宾语了呢

问题 when 用作并列连词的权威依据

有人说下面句子中的 when 是并列连词：I was leaving the office when the telephone rang. 关于when用作并列连词的说法总感觉很奇怪，并列连词不是 and, or, but 这些吗？怎么 when 也用作并列连词了？这有权威依据吗？

问题 这样让步状语从句有必要使用虚拟语气吗

...though/Though he is often late, he is a good student.Although/Though he is the secretary, he must obey the rules.此处是引用这位老师的部分原文：http://www.yygrammar.com/Article/200808/438_3.html在though, although等引导的让步状语从句中，从句虚拟语气结构为 should +...

问题 强调句式与状语从句的区别

It was in the hall ______ we used to have meetings ______ the meeting was held.  A. that, where B. where, that C. that,that D. where, where 第一个空不能填 that 吗？求详解！

问题 yield to的意思与用法

Even the recalcitrant car-crash simulations, he thinks, will yield to the new approach soon.他认为，即便是顽固的汽车碰撞模拟问题不久也会出现新的解决方法。我认为这个 yield to 是屈服于的意思，对么？

问题 On going .../come loose

老师您好，On going into the kitchen,I turned on the light.此句中on 如何理解？对于on going这种搭配怎么理解，我觉得不是分词做状语。come loose 变松，松掉。这里的loose做adj吗？那么come的词性是什么呢？盼复！

问题 关于句子成分和时态

The woman was worried it would take her years to settle her account with the hospital. 她很担心自己可能要花许多年去还清这笔医药费。上面这段英文和翻译来自沪江，我想请哪位老师，帮我划一下这个句子的成分，再说一下句子里用到的时态和语...

问题 强调句的分析

... it isn't only among educated people like ourselves that resistance to the Tartars is to be found（我发现不仅是我们读书人反对鞑子）这里的resistance to the Tartars不是动词短语，它应该作什么成分呢？前面那个among貌似去掉也可以，加上去的话有点...