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问题 to have done和having done的区别

Whether there is something very special about the Earth to have fostered the variety of life forms.这里的to have fostered是something 的定语吗？如果用having fostered 和用to have fostered的区别在哪？不定式比现在分词突出是一次性/具体事件？

问题 难句分析（摘自《柳林风声》）

So spoke the Badger, not knowing what the future held in store, or how much water, and of how turbid a character, was to run under bridges before Toad should sit at ease again in his ancestral Hall.这句话摘自《柳林风声》，原文翻译：獾说是这样说，但他并不能预测未来会...

问题 时间段作主语时的主谓一致问题

图片中的句子The last ten years 'have' witnessed great changes in our city. 谓语是have witnessed.为什么当句子是 Ten years is a long time 时把Ten years看作一个单数整体，谓语用is.而在 The last ten years 'have witnessed'  great changes in our city.这个句子中却不...

问题 特定释义下，介词短语的位置对于理解语义逻辑的影响与否——以there存在句中的“among sb”为例

...一个问题，那就是在特定释义下，介词短语“among sb”在there存在句中的位置是否会影响人们对语义逻辑的理解？通过查阅词典，我发现介词“among”在不同的词典中都具备这样一种释义：“happening or existing within a group；occurring in...

问题 here,there可在强调句中被强调吗

教材上有这样一个句子：It was here that the city was first built during the Song Dynasty. （出自人教英语必修二第45页）这是一个强调句吧？被强调部分应该是here。请问：here, there可在强调句中被强调吗？如果是now, then 等单个的副词呢？也...

问题 fun作形容词时如何变为比较级和最高级

fun作形容词时，如何变比较级和最高级？   是 more fun, the most fun？还是 funner, the funnest？像这类特殊词汇还有哪些？求老师解答，谢谢！

问题 关于as...as前后一致问题

...Jerry (has).2. Mary's books are as many as Jerry's.3. Mary gave us the same book as Tom did.请教老师1，2，3话都正确吗？如果把第2句改成Mary's books are as many as Jerry 是否正确？如果把第3句改成Mary gave us the same book as Tom 是否正确？请问什么情...

问题 为什么翻译 unless 时要加上“否则”二字呢

...果不”。为什么在句子翻译的时候，多出了否则的意思？The mice knew that unless they helped her make a dress, she would not be able to go to the party. 老鼠知道除非它们帮她做衣服，否则她不能去参加晚会。这个“否则”是不是我们可以随意添加...

问题 时态对比填空（涉及一般现在时和一般过去时）

The braised beef _____ (be) lovely, but I'm afraid i can't have more.The braised beef _____(be) lovely, and I want more, please.老师们好，请问这两道题，为什么一个填was, 一个填is ?

问题 关于两个名词或词组是否加of问题

...接近形容词，那么可以能不加of，但是这句话。  the predonminant one is climate change.   为什么不写成the change of climate.   请老师给一些经验，什么时候加of， 什么时候不用加。最好能有例子。感谢

问题 well修饰的below与句中的above

... five per 100,000 people between 1950 and 1990, climbed above that rate by the turn of the century, and then spiked dramatically, reaching above 20 deaths per 100,000 in 2017.有两个问题一是从句中的well副词修饰介词below吗？另一个是above是介词吗？

问题 非谓语动词的过去分词形式作后置定语

Holes, dips, and depressions in the ground were detected in advance of potential stumbles.There were still a few surprises, as a squeal here and there in the dark announced, but we did learn to "see with our feet" -- lessons in trail Braille. 问题：请问announced是非谓语动词...

问题 名词单复数（ Each can be taught opposite solutions。）

The two halves of the human brain behave independently, such that each half can be taught opposite solutions to simple problems. 请问solutions用复数怎么理解？

问题 关于what在从句中充当的成分问题

...一篇新闻，这里面有what he characterised和what he characterised the missile strikes这两个结构，第一个我知道what作宾语，但是第二个what作什么成分呢？Iran had “concluded” what he characterised the missile strikes as “proportionate measures in self-defence”.I...

问题 nesting spot 和 nest spot 含义辨析

And queen bumble bees are often the only bumble bee who surives through the winter, hibernating alone in a safe, warm nesting spot.而大黄蜂王通常是唯一能在冬天存活下来的大黄蜂，独自在一个安全温暖的筑巢地点冬眠。这里使用了nesting， 如何理解？是动...