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问题 if虚拟语气

...u'd all please raise your glasses,I'd like to propose a toast to the bride and groom.第一个句子在从句中用了could，第二个句子在从句中用了would，这就违背了虚拟语气的结构，这是一种什么用法？

问题 句式划分（what引导的什么从句）

The founders of our public school system meant by education exactly what Jefferson meant by education and exactly what thoughtful men had always meant by it这两个what引导的是宾语从句吗？

问题 but用法

No nation has ever lost an existing middle class and the United States is not in danger of that yet. But the percentage of national income held by the top 1% of Americans went from about 10% in 1980 to 24% in 2007, that is worrisome signal.请问老师，But已经是个连词了，这个句子改错...

问题 动名词的修饰问题

...hance in 50 years to reverse the flow, to encourage thoughtful downloading and, even more importantly, meaningful uploading.句中，downloading和uploading为动名词，而它们的修饰词为thoughtful、meaningful, 都是形容词，修饰动名词的不应该是副词吗？

问题 vacation的单复数问题

1）Under the new plan, students will have shorter summer vacations and longer winter vacations.2）Summer vacation begins today.第1)句中，summer vacations是复数形式；第2）句中，直接就是summer vacation。summer vacation什么时候用复数？什么时候直接用summer vacation?

问题 怎么区分是被动语态还是过去分词

Opportunity is missed by most people because it is dressed in overall and looks like work. 这句话里missed, 是被动式呢，还是形容词呢？is 后面加动词过去分词，怎么区分是被动语态还是过去分词？

问题 of相关用法

...human behavior but one of imposing constraints-ways of feeling,thinking, and acting that "come naturally" in archetypal situations in any culture.请问这里的of是什么用法？放在这句话里怎么翻译？（这句话怎么翻译）把of删掉是不是也可以？

问题 这个句子是否缺连词

请看下面句子，Most of us have no idea how heavy 50 grams is and there’s no need to weigh it, just use your best guess.这个句子just后面是一个祈使句，是完整的简单句，把这个简单句和前面的句子连起来不需要连词吗？应该把just前面逗号改句号，jus...

问题 perspective所搭配的介词

From the perspective of a community of a shared future, how do you understand "Roots and Shoots"?摘自北师大高中英语必修第三册第8单元(p32)。句中的 From the perspective of 可以换成 In the perspective of 或 According to the perspective of 吗？

问题 人称代词做同位语要用主格吗

I have a big family, my parents, my brother and I.为啥是I，做同位语用主格嘛?

问题 语法错误修改

We look forward to welcoming guests to a place of marvelous beauty and to experience the many curated experiences that connect guests with the rich local culture.我觉得句中的to experience 不应该用不定式结构。因为其不是与look forward并列，也不是与不定式to experience并...

问题 began 放在句首是什么用法

句子：She’s had a fever for three days, began the father and we don’t know what it comes from.这里为什么要把began用在句首呢？

问题 对应关系

...he receiver, who recognizes their value as a sign of your affection, love, and thoughtfulness. 这句话的being什么用法，是的意思吗？不用一个being可以吗？感觉意思也可以，是不是为了和后面的are memorable相对应才用的这个being?

文章 Any 和any other用法刍议

...避免逻辑冲突，如：Mt Tai is taller than any other mountain in Shandong. 这里如果不用other, 逻辑上有冲突，因为泰山也在山东，除非它不在山东。例如：Mt Huang is taller than any mountain in Shandong. 黄山比任何山东的山都高。这个句子没有逻辑冲...

问题 短语动词在句中的成分该如何分析

...都是blow out这个词的宾语？词典例句：She took a deep breath and blew out all the candles.She inhaled and then blew the smoke out.（正确的成分分析是什么？）类似的例子还很多。不说短语动词还好，一说短语动词我反而不知道该怎样理解句子成分...