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问题 有关时、体相关概念的疑问

...所以可以使用完成体，表示事件结束。例如，He has worked there for 2 years.把worked there这一习惯持续2年抽象成一个事件，有开始、持续2年、结束，完成体表示这一事件已完成。这样理解完成体只有完成用法，且都是动态的事件。2. ...

问题 关于节日前介词使用

各位老师好，在语法书中有说节日前可以加 on 一般表示节日当天，如 on May Day；加 at 可表示节日期间，如 at Christmas。那请问向像中国的一些传统节日如 spring festival, Mid-Autumn Festival等他前面的介词一般加什么呢？（因为看到网上...

问题 这两句同位语关系的定冠词如何判断

I got into the habit of calling in on Gloria on my way home. 我养成了回家路上顺便去看格洛丽亚的习惯。她养成了进来和克拉布特里奶奶一起喝茶的习惯。She made a habit of&nbs...

问题 长句分析(to that intended)

原句：In fact, the US tariffs on Chinese export have had the opposite effect to that intended when President Trump stated his actions would reduce the Chinese trade deficit with the US.   划分成分：(In fact), the US tariffs on Chinese export (主）// have had (V) the opposite effect（...

问题 The trachea is normally located posterior to the

 The trachea is normally located posterior to the thyroid isthmus in the midline请问老师这句话中 in the midline是说的前边的thyroid isthmus还是The trachea。怎么判断说的是那个？

问题 among which的用法分析

Secondly, there are many attractions that interest me a lot, among which is Big Ben.其中among which是什么用法？麻烦老师们详细划分一下成分，分析用法并翻译，谢谢！

问题 confused与confusing的用法区别（修饰look,expression,feeling）

...oblem confused him.②Her confusing feeling about him made him confused.③There was a confused look on his face when he met with confusing problems.这三句话中为啥分别用 confused espression、confusing feeling、confused look，到底什么时候该用什么? 懵了！

问题 need have done 结构存疑

Those who failed to get in need not have felt disappointed.以上摘自新概念2课文中。needn't have done 我能理解，是本用不着做实际做了，但课文下面有个注释让我有点困惑。“need后接不定式的完成式表示不必做某事而实际已经做了。"我...

问题 这个独立结构是代词加上了比较分句吗

完整句子：Through hard practice，Lucy，herself not much more than a beginner，made rapid progress in speaking German.我的疑问就是，herself not much more than a beginner，是个独立结构吗，因为在看反身代词的相关知识，看到反身代词作主语时和后面的构成...

问题 句子中的 the same to us 有错吗？

这是我在作文中写的一个句子： What the people there wear are not the same to us. 老师说，句子中的介词 to 用得不对，应改为 as。请问这里的 to 一定要改为 as 吗？谢谢！

问题 focusing的相关问题

A regulation            (focus) on easy access and easy firing ignores the question of how to develop widespread teaching skills and ensure a strong supply of highly able teachers for schools.这边，填focusing,但是改为定于从句不是A regulation which\ th...

问题 句子成分

I knew then that as soon as I had enough money to get my own business going,I'd do it. I had my heart set on it and I didn't let anything stand in my way.老师这句群里as soon as是只要的意思吗？going又是什么成分，set on 怎么理解呢？谢谢老师。

问题 may not 与 be possibly not 的区别

Drugs are possibly not as safe as previously thought. Drugs may not be as safe as previously thought. 请问老师，这两个句子是否存在差别？

问题 2013年高考英语江苏阅C中的一句翻译

...英语江苏阅C：Other air-breathing animals also suffer this decompression (减压) sickness if they surface too fast: whales, for example. And so, long ago, did ichthyosaurs. That these ancient sea animals got the bends can be seen from their bones. If bubbles of nitrogen form inside the bone th...

问题 with在此什么用法

A sample is placed at one end of a porous membrane and, as it seeps along to the other, encounters a line of antibodies designed to recognise it. When the sample is urine and the antigen is a hormone found in expectant women, you have a pregnancy test. When the sample is mucus from a swab and the an...