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问题 如何区分fact是可数名词还是不可数名词

It's said that the book is based on fact. 据说这本书是根据事实撰写的。这句中的fact是用作不可数名词？请问可以换成facts吗？即把fact当作可数名词来使用。如何区分 fact 是用作可数名词和不可数名词呢？

问题 口语中Good for you的用法

—Mummy, I've finished all the work you assigned me.—_______.A. You are goodB. It's good for youC. It's good to youD. Good for you答案为 D，请问为什么？B 为何不行？ 

问题 on sales与on sale有区别吗

All the things are for sale. But only a few of them are on sales.这是书上句子，我记得是 on sale 而书上写的 on sales。问问老师这两个短语意思一样吗？谢谢您。

问题 some何时后接单数可数名词表示“一个”

《麦克米伦高阶英汉双解词典》some 词条指出：some 也可以“后接单数可数名词”，例句是：She married some guy she met on the boat. 她和在船上遇见的一个人结婚了。请问，some 在什么情况下可以表示“一个”，后面接单数可数名词？

问题 一个英语难句的理解、分析与翻译

Occasion carries the basic denotation characteristic of its leading senses—a definite moment or juncture，but it applies only to a moment that provides an opportunity or that calls for or prompts action of a definite kind or nature.

问题 great advances,huge advances,big advances的用法

Science has made _______（大） advances in the last fifty years.答案是 great，请问填 huge, big 可以吗？

问题 much表示“经常”与often的区别

much也可以表示“经常”，如：He doesn’t get out much. 他不常外出。We don’t go to the theatre much any more. 我们不再经常去看戏了。I just haven’t time to go out much. 我只不过是没有时间经常外出而已。请问这样用的 much 有区别吗？谢谢！

问题 感叹句的谓语动词有没有要求是及物动词

What a beautiful belt you're wearing！谓语动词一定是及物动词吗？有没有感叹句的疑问形式？What the meaning is that? 这个 what 是限定词？

问题 分析：of a adj. disposition = 具有…性格

1. He is of a liberal disposition. 他性格开放.2. The rides are unsuitable for people of a nervous disposition. 骑马这一活动不适合天性易紧张的人。请问这种【of a adj. disposition】具有……性格，是什么结构？是后置定语吗？

问题 句子既用myself又用my own的分析

The Society to which I myself belonged in my own college at Oxford was of this latter sort.请专家老师翻译一下这个句子，为什么既要用 myself，后面又用 my own？

问题 动词不定式的句法功能判断（以及与现在分词的区别）

(To cross) the river, I must go on a ropeway.这里的动词不定式是什么功能？这里可以不可以填 Crossing 可以吗？

问题 虚拟语气由直接引语变为间接引语如何处理

Tom said, “If I were you, I would do the same.”请问老师这句话改间接引语，时态该怎么转变？ 从句一般过去时是否变为过去完成时 had been done? 主句 would do 属过去将来时，这个该如何转变？是否有特定的规则？

问题 find sth difficult to understand 如何分析句子成分

He found the text difficult to understand.这句话中的不定式是做什么成分？

问题 先行词为人时关系代词用who,that何区别

The boys ______are playing football are from Class One.这道题是不是填 who 和 that 都可以？

问题 prove现在进行时意思存疑

Six men have been trapped in a mine for seventeen hours. If they are not brought to the surface soon they may lose their lives. However, rescue operations are proving difficult.  以上摘自新概念2的一篇课文。请问老师这里prove为什么用现在进行时？证明就证明了...