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问题 as在动词短语中的省略问题

These workers are considered as a high-risk group.这句话中的as可以省略。在“动词+as+名词”的结构中，是否as都可以省略，变为双宾结构？

问题 关于about引导名词性从句的请教

各位老师好，这是九年级英语课本中的一段。请问about how...在这里是介宾短语结构吗？那么how you study for a test是名词性从句了？还有，为什么这里用study（有“研究“”的词义）而不用learn？

问题 这里的serve为什么不是被动语态

Wechat serves as a media platform for people to share their thoughts.这句话为什么不是被动语态，is served as呢？微博不是被提供给人们嘛？

问题 could not have能否既不表示虚拟语气也不表示推测

The most important reason why there could not have been any specific blitzkrieg economy before the campaign in the west resides simply in the fact that the German leadership just did not want that.Could have done一般认为可以表示两种含义：对过去的推测以及虚拟语气，但是上...

问题 It may be many years before the situation improves. 这句话是不是违反了 “主将从现” 原则呢？

为啥主句不用will be？

问题 France's artists and writers与French artists and wr

请问下面句子中的France’s artists and writers 可以换成French artists and writers 吗？About two-thirds of France’s artists and writers live in Paris.句子来源：高中英语外研版必修三的Module 1。

问题 为什么because后跟现在进行时而不用完成时

Today Everest has lost some of its old mystique and appeal because so many people are reaching its top.我理解文章想表达的意思是：如今，珠穆朗玛峰已经失去了一些昔日的神秘感和吸引力，因为已经有太多的人登上了它的峰顶。如果我的理解是对的...

问题 没有逗号却是非限制性定语从句的用法（涉及夸克语法的的一个句子）

...这个句子虽然没有逗号，但是非限制性定语从句：She is the perfect accountant which her predecessor was not.确实我们的老师也说过，有没有逗号并非判断是否为非限制性定语从句的唯一标准。我跟我们的老师讨论过，我们认为像夸克这么“...

问题 relative to的分析

Humans are social creatures, and we have a tendency to evaluate our own standing in life relative to how our friends and neighbors are doing. 这里的realtive to是standing in life的后置定语吗,how引导的从句做宾语从句，doing 这里就是不及物动词泛指亲朋好友做的事...

问题 用英语翻译：我离开了一会。

我离开了一会，用英语怎么说？有人翻译为：l left for a while.我感觉不对，因为leave不是持续性动词，不是durative verb，而这句汉语中的离开，不单是指离开这个动作还是离开（不在这里）这个状态，显然英语中的leave是不能表态状...

问题 不定式进行式有什么意思？

Well, let’s see, there are a few points we need to be thinking about. . .    这里为什么用 to be thinking？ 如果变成：we need to think about 和原句有什么区别？

问题 句子改错(涉及so, by)

If we decide that language did originally develop, possibly involving from animal communication, we can only do so by assuming evolution to be a universally valid principal. 这句话改错说把by去掉。请问老师so这里指代什么，不去掉by好像也翻译的通。

问题 US（美国）前面必须要有定冠词吗

Christmas is a very important festival in Britain and US.有人认为这个句子是错的，应该在 US 前面加上定冠词。是这样吗？

问题 seem 是否接 to be 的疑问

He seems ______ very disturbed about his work lately.A. to be        B. 不填如何选？seem 后面的 to be 不是可有可无的吗？

问题 介词in的两种用法比较

这两个短文里介词in的用法是一样的吗？Another aspect is reporting to higher management and acting as liaisons between administrative support and the senior management. They report on the progress made by their departments in meeting company goals.Six years later, Ray bought out the fo...