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问题 catch sb doing sth的句法分析

I caught the boy waiting for my daughter.请问句中的 waiting...是什么成分?

问题 as if后面的虚拟语气时态问题

Mother treated me as if I _____ an adult.A. was    B. were    B. had been

问题 tell sth sb 的搭配对吗

学过 tell sb sth，但没有学过 tell sth sb。所以，下面这句对吗？He didn't tell it me.

文章  food只能作不可数名词吗 

在某出版社出版的初中英语教科书第一册（下）p.15 有一个句子：I can have different food for lunch.  有一位学生问他的家教老师：“这个句子中的different 后面的名词food 为什么不用复数形式？”该家教老师回答：“因为food是不可数名...

问题 lie back与lie on one’s back的区别

The man lay back on the bench, with a book on his face.这里的 lie back 是什么意思？是表示“仰卧”吗？为什么不用 on his back 呢？

问题 It is suspected that...和It is doubted that...的区别

请问：It is suspected that... 和 It is doubted that...有何区别？哪一个才是比较正宗的句型？

问题 请问It is just that...是强调句的结构么

It was just that we happened to have got our pricing right, so when we changed that, it all started falling apart.请问It is just that...是强调句的结构么？

问题 withnot和with not/no/never的区别

请问老师，withnot和with not/no/never有什么区别吗？出来withnot外，还有对介词否定的方法吗？She replied with not a moment's hesitation.She replied withnot a moment's hesitation.Our house has one wall with no windows.Our house has onw wall withnot windows.

问题 无冠词名词表示概念而非实物

... as useful as we thought.在这句话中，cleared ground前是没有冠词的。是否可以这样理解：在说话时an area of cleared ground是不存在的，在cleared ground前不能加the或者a,因为冠词意味着一个实际存在的东西。不加冠词的cleared ground是一种概念...

问题 choke sb to death 的结构分析（to death 是作宾补吗）

The toy almost choked the baby to death.老师，句子中的不定式短语作宾语补足语吗？

问题 现在分词一般式与完成式的用法疑问

...e said, but I can't swear to having heard him correctly.这两句话中的tell和hear为什么要用现在完成时？不能直接就telling, hearing吗？是不是在介词后面的动词只能用现在完成时表示过去？

问题 set在文中的理解

...ost and put my papers inside. (上下文背景：作者是一位卖报的小男孩。)问题：请问set it on its side什么意思？照字面意思“把硬纸箱放在其一面的上方”解释不通。

问题 新概念英语第二册第三课的疑问

1.Postcards always spoil my holidays. Last summer, I went to Italy. 2.My holidays passed quickly, but I did not send cards to my friends. 第一句postcard为什么用复数，是类指吗？ 第二句其中的'cards'为什么之前没有any，或者也是类指做宾语？

问题 a feeling of 和后面的词是构成动宾关系吗

Horror is a feeling of great shock, fear, and worry caused by something extremely unpleasant.a feeling of 和后面的词是构成动宾关系吗？caused by something extremely unpleasant.修饰什么？

问题 had intended to do / intended to have done 的区别

I had intended to call on you. 和  I tended to have called on you. 二者有何不同？ 含义是怎样的？