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问题 either…or...连用单数主语为什么用复数动词

1）Either my father or my brother were there.2）If either David or Janet come，they will want a drink.上述用法，权威语法书给了结论性意见：在非正式语体中，由either…or连接两个单数名词作主语，有时也可跟复数动词。（摘自章振邦《新编高级英...

问题 非谓语动词的时态与被动语态

Mark often attempts to escape         whenever he breaks traffic regulation.A.having been fined B.to have been fine C.to be fined D.being fined请老师详细讲解这道题，尤其是C,D选项，为什么不能选C而选D啊？

问题 have to / has to 可以表示推测吗

表示肯定推测时，通常要用 must，比如：He must be doing his homework.You must be joking.请问这样用的 must 可以换成 have to / has to 吗？

问题 ​系动词后面可以都可以接to do吗

系动词后面可以都可以接to do吗？是不是只有一些才能系动词接to be done to have done to be doing？像seem appear等。谢谢老师！

问题 情态动词can的相关疑惑

— Will my daughter be all right soon, doctor?—Well, she _______ be, if she takes these tablets.A. must    B. may       C．can          D. should表示理论上的可能性的 can 在这里为什么不可以？麻烦老师指点疑惑。

问题 请问一下老师，这个句子怎么分析？为什么选这个？

I anguage can be defincd as tool by which beings ___ with one another. A communication B. communicate C. communicating D. communicable

问题 翻译（英译汉）解析

A lean good-looking fellow who had been married and divorced, he lived alone, when not being solaced by a young woman who wore high heels and form-fitting gown. 他身形清瘦，长相英俊，结了婚又离了，一人独居。有个穿高跟鞋和紧身旗袍的女人不时来找他玩。 when...

问题 emphasizing和emphasis的区别

...often merely used for emphasis. 这两种表达有区别吗？是不是sth be used for emphasis指sth用来被强调的，或者说重点就在sth上。而be used for emphasizing指的是sth用来强调某物，sth本身不是重点。

问题 为什么有两个谓语动词think和is

Do you think being married is fun?为什么有两个谓语动词think和is?think之后的being married是什么语法结构，married是被动还是作形容词?

问题 than的成分和含义

They are a priori because it is inconceivable than we should ever have any future experience that will not also involve them.

问题 多个宾语从句如何进行连接

They said that they have to do homeworks, that it is hard, that they are tired. 请问第二个逗号的使用正确么？

问题 In what sense用法

In what sense are fake callers not so different from real callers. In what sense 可以这么用吗？

问题 so的搭配用法

老师好，They tell us that we are weak, unable to cope with so formidable an adversary.  这句话画粗体的部分为什么多加一个so和an呢？

问题 disappearance后面怎么是by

这里应该用of吧？比如：Police are investigating the disappearance of a young woman.警方正在调查一名年轻女子的失踪案。

问题 out of everday的用法

Another key trend will be 3D-printed food, which will produce “intricate sculptures out of everyday foodstuffs that will look good and will also be used to improve the convenience and the nutritional value of meals”. 请问out of everday在这里修饰谁?做什么成分?