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问题 关于现在完成时与过去时的理解

They _______(arrive) in new york,they are in the hotel now.They _______(go) away, they are back at home now.Everyone _______(go) home, the office is empty now.请问这三个句子改用完成时还是过去时，还是都可以呢?

问题 could have done的翻译

... will stop people claiming that any infringement was accidential, so there is little point in doing that when a quick check on the Internet could have set your mind at rest that your magnum opus really was yours. 这里when引导时间状语从句有点不明白。另外这里could have done，感...

问题 双重属格 the only home of ours怎么理解

请问，这句话里的ours，以及类似的双重属格怎么理解？The earth, the only home of ours, is now in danger.可以替换成us吗？我不太理解双重属格？

问题 with独立主格结构充当状语还是定语

Another interesting thing about kabuki is the exchange between the performers and the audience. Whereas most live theater around the world has a strong division between the two—with spectators quietly observing performances—kabuki involves a great deal of interaction.请问老师：with spectato...

问题 throw sth at sb/sth结构分析

Tom threw a cushion at her.这个句子是主谓宾宾补结构吗？throw sth at sb/sth是固定搭配，之前有老师说固定搭配可以理解为主谓宾宾补结构，这样理解可以吗？本句话宾语和宾补关系 a cushion is at her（一个靠垫是给她）这样理解可以吗？

问题 这是定语从句吗(an idea whose time has come)

Solar energy is an idea whose time has come. 太阳能理念的时代来临了。请问句中的 whose 是引导定语从句吗？如何理解才好呢？

问题 until now / not until now

until now 和 not until now 的意思分别是“直到现在”和“直到现在才”，都是表示从过去一直持续到现在的时间，刚才符合现在完成时的“持续性用法”，所以应连用现在时。如： Until now I have always lived alone.&n...

问题 a list of…作主语时谓语动词用单数还是用复数

... （飞机的）旅客名单；货物清单 a list of the books referred to in a scholarly work 参考文献目录 a list of all club members, past and present 俱乐部以往和现有所有成员的名单 如果这些东西作主语，后面的谓语动词是用单数还是用复数...

问题 observe...as,buy...as结构中as短语作什么句子成分

... as a group hunting a monkey and then eating it. 下面句子中的 as a birthday present 作什么成分?Her father bought her a dictionary as a birthday present.谢谢！

问题 as引导比较状语从句时的省略与补充（涉及as nice a day as)

请专家老师看看这个句子：It was as nice a day as we have ever spent. 问题一：这个句子是什么意思？问题二：as 从句有所省略吗？如有，如何补充完整？谢谢您！

问题 hundreds of后面可以接单数或不可数名词吗（2016年高考英语北京卷阅读理解A）

I have hundreds of printer paper, covered in self-written notes from your videos.这个句子是2016年高考英语北京卷阅读理解A中的句子。我不明白为什么在 hundreds of 后面接了 printer paper 这个名词，这个printer paper 是单数形式是不可数名词吗？这个 pap...

问题 whatever等引导的让步状语从句，为什么体现虚拟语气，使用may而非might

http://www.yygrammar.com/Article/200808/438_2.html上文中提到了，whatever等引导的让步状语从句① may +动词原形(指现在或将来)I will wait for him no matter how late he may come. 不管他来的多么晚，我都会等他。②may +完成式(指过去)We must respect him no ma...

问题 allow sb sth可用于被动语态吗

如下例句：He allows his son too much money. 他给他儿子的钱太多。We allow passengers one item of hand luggage each. 我们允许每个乘客带一件手提行李。它们可以变成如下这样的被动语态吗？His son is allowed too much money. Passengers are allowed one item of h...

问题 为什么副词放在名词后就成为了定语

　　请看这句：The Foreign Office is the British government department responsible for promoting the interests of the United Kingdom abroad. abroad只有一个词性，副词，在这里是作定语修饰the interests呢，还是作状语修饰promoting呢？是不是所有的副词只要放...

问题 语法解释：后置定语还是补语

...经济背景的儿童上学的时候发育程度较差翻译句子：There is growing evidence in New Zealand that children from poorer socio-economic backgrounds are arriving at school less well developed请问：该句中 less well developed 是作children的后置定...