找到约 30000 条结果

问题 句子的时态困惑（为什么不用过去完成时）

...ay, but it has been reported previously that Kayla Mueller was handed over to Baghdadi, who allegedly raped her repeatedly before killing her.句中加粗的两处，为什么不用过去完成时，明明这两个事件发生都是在过去的过去啊？十分不解，希望老师们能指点迷...

问题 含有基数词复数形式的成语

...三两两从农舍散去。 I’m all at sixes and sevens about what to do. 我心里七上八下，不知该怎么办. 这些句子中的 by (in) twos and threes（三三两两）以及 at sixes and sevens（乱七八糟，七上八下）都是成语，但它们有个共同特点，就是...

问题 what is wrong with the machine是陈述语序吗

As nobody here knows what is wrong with the machine，we must send for an engineer to handle the problem. knows 后的从句 what is wrong with the machine 为什么不用陈述语序？

问题 in the first reduction的分析与理解

...一个句子：The single image is reduced in the first reduction by 2：1 to 40：1 .单个图象第一次缩小到二分之一至四十分之一。 对于这个句子中的in the first reduction ，我很困惑，因为译文中“第一次”对应的应是“in the first time”，请专家...

问题 动名词前为什么要加介词（涉及on sharing）

They agreed to share the remuneration. (1)They agreed on sharing the remuneration. (2)句子（2）中的动名词sharing前面为什么加介词on,去掉介词on可以吗？这说明句子（2）中的agreed是不及物的吧？ 谢谢老师的解答。

问题 on the very day后面接什么时态

哈利波特里有一句话fine thing it would be if, on the very day you-know-who seems to have gone, the muggles found about us. 这句话如果不用seems，是该说on the very day you know who has gone,还是该说left.该用完成时还是过去时？the very day指的是今天。

问题 as the way he says it的结构

" It's not so much what my husband says, " a tearful wife confides, " as the way he says it. Why does he have to yell at me?as the way he says it是倒装结构吗？way后怎么省略了关系代词？

问题 each in turn中的each是代词还是副词

If we now thirst for protein as if it were water, it may be because the other two macronutrients – fats and carbohydrates – have each in turn been made to seem toxic in the public mind. 这里的each in turn可以看做插入语吗，那each的词性是代词还是副词？

问题 由两个比较级组成的句子，不加连接词的疑问

The larger the specific heat capacity is, the more heat is needed to change the same temperature.请问老师，这个句子中不加连接词，直接用逗号隔开是对的吗？总感觉经常看到过这样的句子，但是找不到出处了，这是我自己写的，请老师帮忙看一下.

问题 双重被动理解疑问（谓语与不定式都为被动语态）

Something that is intended to be learned老师们好，我看到这类句子就是不知道要怎么去理解它的含义，看是能看懂，也知道这是个双重被动，谓语被动，不定式被动，但就是一连起来，不知道怎样才能迅速理解这样的句子，每次看到这...

问题 as bad as they once were but应该如何理解

SINCE the 1940s, southern California has had a reputation for smog. Things are not as bad as once they were but, according to the American Lung Association.

问题 be done doing 是什么语法结构和用法

...Johnsy, dear, " said Sue, bending over her, "will you promise me to keep your eyes closed, and not look out the window until I am done working? “琼珊，亲爱的，”苏艾弯着身子 对她说，“你能不能答应我，在我画完之前，别睁开眼睛，别瞧窗外？...

问题 用关系副词和介词+关系代词有什么区别

...用关系副词和介词+关系代词有什么区别？He has lost the key to the drawer ___B___ the papers are kept.A. whereB. in whichC. under whichD. which我想问一下这里where和in which的区别，之前在语法书上看到：定语从句是被动，有主语用关系副词，那么这里...

问题 确认性宾补和归属性宾补的判断问题

...ey consider it.（确表）宾补不可以为确认性的。句末必须加to be，让不定式作宾补。我的疑问：这里的宾补是确认性的？我觉得也可理解为归属性的：是（属于）比较好的投资行为。

问题 如何学好并熟练使用介词（副词）

...阅读中也经常出现无法解释的短语，如call on sb/call on sb to do sth拜访某人/号召某人做某事，找遍on的所有释义都无法在该短语中对号入座。