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问题 keep sth done的疑问

He tried to keep his head turned decently away.曹老师您好，这里请教您一下，turn away（转头）应改是个短暂动词，这里为什么能和keep连用? 短暂性终止动词在状态改变后难道可以和延续动词一样表示状态吗? 比如 close，在keep window closed中...

问题 怎么判断介词后面是动名词复合结构还是介宾结构

Like virtual schools operating in other states, Florid Virtual allows faculty to provide personal courses.请问怎么判断operating..是分词定语还是动名词复合结构？

问题 do everything one can do的省略规则

He did everything he could (do) to help us.请问这句话是否可以理解为省略了括号中的部分呢？如果可以的话，省略的规则是什么呢？

问题 the same as/that

I studied at Cambridge at the same time as he did.If you’re likely to be travelling on the same train as I am, I’ll look out for you.He works in the same shop as I do.上面三个句子as是不是都可以用that替代？

问题 do so with是什么意思

Wal-Mart says it's working with consumer-product manufacturers to trim their packaging and will reward those that do so with prime real estate on the shelves.请问这句活后半段该如何理解呢，do so with 是表“这样做..."的意思吗

问题 than后面可以直接加if从句吗

尊敬的老师，学生想咨询一下than后面可以直接加if从句吗? 就比如这句话：These shares may fetch less than if their owners had waited for their employer to go public.这些股票的价格可能低于其所有者等到其雇主上市时的价格。

问题 介词+which和where在什么情况下不可以互换

The ladder on which I was standing began to slip 这里的on which 为什么不能用where替换

问题 并列连词能引导主句吗

今天在书上看到一句话So I don't really know what to do.so作为并列连词应该引导并列句啊，这句话前面应该有一个主句才对，用逗号隔开或不用，So小写。请问这里为何是So引导一个单独的句子？另外在朗文上看到一个句子，He had previou...

问题 especially for语法结构

The public is not educated enough to understand scientific information, especially for any complex phenomena.翻译是：一些人认为公众的受教育程度不足以使其理解科学信息，特别是关于复杂现象的信息。在翻译中让人觉得for any complex phenomena是information...

问题 用作副词的home可连用哪些介词

...at。如：Jane works at home. 简在家工作。 He found it impossible to study at home. 他觉得不可能在家学习。If it rained tomorrow, we’d stay at home. 如果明天下雨，我们将待在家里。除at外，home还可连用哪些介词？

问题 完全及物动词和不完全及物动词的宾语

他人不错。I think that he is nice. 此时将 think 看作完全及物动词I think him to be nice. 此时将 think 看作不完全及物动词为啥完全及物动词就接 that 从句，而不完全及物动词就接了个宾格 him？

问题 是否可以将 be adj. 理解为动词呢

If I should be late, be sure to wait for me.should 后面要接原形动词，但是又要用形容词来表示“晚”，所以加上 be 来补充，因为经常看到语法书上说，这句话缺少 be 动词之类的，所以比较懵。

问题 along with doing sth的用法分析

These days they are required to pay their apprentices the minimum wage, along with teaching them. 请问专家老师，句中 along with 之后的 doing 短语是现在分词还是动名词短语? along with 也可以 with 替代吧？

问题 any在肯定句中的疑惑

老师，您好！Only if the red light comes on is there any danger to employees.只有红灯亮时，职工才会有危险。以上是词典例句。在以上的肯定句中，为什么用any，any该如何分析，在牛津等词典上没找到该类似用法，这里属于何种用法呢？应...

问题 lined up against the wall是什么用法

Lined up against the wall, there were long thin wires attached to metal spheres.这句话里 lined up against the wall是什么用法?