问题 现在完成时和现在完成进行时的区别

现在完成时和现在完成进行时有何区别？我觉得有时二者都一样请详细解释一下？谢谢!

问题 no 与 not 的用法与区别

我们可以说：There aren't any rooms in the hotel.There are no rooms in the hotel.请问能不能说：There is no room in the hotel.

问题 有关并列结构的问题

老师：您好！请教一下。     例  Darwin was convinced that the loss of these tastes was not only a loss of happiness, but might possibly be injurious to the intellect,and more probably to the moral character.     问题：这句话怎么分析，麻烦请...

问题 有关连接词的一道选择题

Children should not have more money _____ is needed?A. which B. that C. than D. whose 答案为than 为什么呢？结构是怎么回事？谢谢!

问题 all放在情态动词之前与之后的区别

You could all play outside. You all could play outside.它究竟有什么区别呢?字面意思都是 "你们全部都能够出去玩"。

问题 do with的用法

The Linea got recently updated and it comes with world-renowned engine technology, exclusive exteriors and interiors and it is a very safe car indeed, what we haven’t done with Linea is that we didn’t discount the brand.

问题 charged 在句中的意思和作用

researcher shows an association between keeping an emotionally charged secret and ailments ranging from the common cold to chronic disease.请问charged在这是什么意思和作用呢，谢谢老师!

问题 麻烦大师们解答一下我的疑问！

much of a+名词much前可以加修饰词too much of a+名词或者very much of a+名词，那little of a+名词little前可以加very或者too嘛？

问题 主谓还是动宾关系

...ave a letter to write.I have a letter to be written.句1中a letter是write的承受者，在逻辑上构成动宾关系；而句2中，a letter同样是write的承受者，却是主谓关系，a letter不是write动作的发出者，这个主谓关系怎么理解？还有句话“逻辑上的主谓...

问题 /du/,/du:/,/dju:/的区别

为什么有些单词 音标写着/du/，/nu/，发音却好似 /dju/,/nju/？  /du/,/nu / du:/,/nu:/这类音标，都可以加一个 j 进去读吗？？如： doom  /duːm/ 听着像 dju:m 

问题 人的年龄多少岁以上用over还是over

比如，65岁以上是over 65还是above 65？

问题 be born+adj 的语法分析

All men are born equal.born也是形容词？equal形容词状语修饰born？Some people are born a teacher，这里怎么理解？ 这样的话任何形容词都可以做状语？

话题 An average of和the average of的区别

话题 at school 表地点时的进一步讨论与说明

问题 如何看待这句话的结构

'You're always -ing' means that you do something very often, more often than the speaker thinks is normal or reasonable. 如果将than看作准关系代词，那么这句话就是嵌入式关系分句。要是按比较分句分析呢？省略了什么内容？