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问题 can和could用法存疑

Jack_______not be a policeman, for he is much too short.请问老师这里用could和can都可以吗？两者意思有什么区别？另外couldn't have done 和 can't have done 是否都表示对过去事物否定推测？如果是，什么时候该用couldn't have done 什么时候又...

问题 虚拟语气的辨别问题

... both sides accept the agreement       a lasting peace be established in this region.A.Only if; will      B.If only; would    C.Should; will       D.Unless; would老师，这题A，是倒装句，但是为什么不可以认为是虚拟呢...

问题 done为什么会在-ing动词前面

As if they were all suffering from a sleepless night, or almost done recovering from a broken nose. 问大神，done为什么会在ing前面？网上看这里是be almost done？recovering只是补充？

问题 无连词让步状语从句

...出来， 如何理解？2）让步状语从句通常采用现在虚拟式(be式虚拟), 而这里为什么是were式虚拟？ 能否从“句意”来分析或理解？3）句中，主句虚拟I should是否是英式英语？ 如果是美式英语，是否采用I would呢？

问题 2016考研英语text3句子疑问

2016年text3句子It argues that since prosucutors do not consume a company's products as part of their investigations, they could be influenced by the halo effect. 为什么consume前不加see或者regard？

问题 英语句子翻译疑问

...er or not they felt a significant amount of control over their ability to be successful. 红色部分的it指代的是什么？指代前句的the American dream吗？如果是的话，那这句what it takes to achieve their goals要如何翻译是好？美国梦要做什么才能去实现他...

问题 介词短语是做状语还是定语

The globalization of education means more universities will be seeking heads with international experience of some kind to promote international programs and attract a global student body.句子有些复杂啊！with international experience of some kind 介词短语是做状语还是定语？ ...

问题 主动关系和被动关系的理解

...的主动和被动关系？总感觉应该在第2和第4句的动词前加 be动词才对，谢谢指教。1. I sold my car to James for £8002. The book sold well and was reprinted many times3. I'm sorry, we've sold out of bread.4. The tickets sold out within hours.

问题 这里的非谓语具体是做什么成分呢？

Despite official data showing the unemployment rate was 6 percent in April, up to 10 percent of people officially employed in China could actually be out of work，

问题 but有表递进的功能吗

今天看到一个英文句子：Writing a major academic work can be difficult enough, but it is even more so when working in a foreign language. 我对其中的but有点疑问，but前后的语义并非转折关系，怎么用了but呢，难道它也可以表示递进的意义？还是这里的but...

问题 这里的the way怎么理解

The paint disappeared in less time than it takes to boil an egg, taking with it important pieces of history.The soldiers should be left the way they were found.可以把 in less time than 说成 in time less than 吗？第二句the way怎么理解句子意思，有错误吗？

问题 when doing sth是什么用法

看一篇讲述数学排列组合的文章中一句话…four people can be seated into four chairs, but when dealing with larger numbers， this can take quite a while。but when…应是做副词修饰作用的一个状语从句，但从句中为何不使用动词原形deal with，而使用分词...

问题 it is providing that是什么用法

And it is providing to be an increasing powerful tool in encouraging people to purchase. 这是北京高考真题阅读理解中的一句话，这里的 it is providing that是什么用法， providing在这里该怎么理解呢？

问题 情态动词表示推测的句型的含义

...四个句型分别是对什么的推测：情态动词+V原型情态动词+be+Ving情态动词+have+done情态动词+have+been doing 看到的语法里说情态动词+have+done是对过去的推测，但也有看到说情态动词+have+done可以对现在，将来完成的事情表示推测，有点...

问题 句中joke后面的that是什么从句

我查柯林斯英语词典，翻到单词joke，发现这个句子The project was taking so long that Stephen joked that it would never be finished.joke明显是不及物动词，后不接宾语或宾语从句。请问句中joked后面的that（粗体字）是什么从句？