问题 It是形式主语时如何确定真正的主语

It is sad that many people do not want to help others because they do not want any trouble.这里的It是形式主语，那么真正的主语是指哪一部分呢，包括because从句嘛？

问题 英译汉:There is no reason for us to be enemies.

There is no reason for us to be enemies.这句话出自尼克松1972年来访中国时的一个演讲。我翻译的是：我们没有成为敌人的理由。但是标答是：我们没有理由成为敌人。大意虽然差不多，但是两个句子的重点完全不同，一个重点在“理由...

问题 works用什么代词来指代（it还是them)

Some complain that literary works are so thick that they hardly have  enough patience to finish it.其中 it 为什么不改为 them？前面的 works 不是复数吗？

问题 It is...since...的主句与从句时态

It was three years since Jack had been a teacher.It is three years since Jack was a teacher.请问这两句有什么区别吗？分别是什么意思？第二句为什么不用has been呢？

问题 如何理解：What business is it of yours?

What business is it of yours? 请问这个句子是什么意思？特别是句中的 is it of 如何理解？

问题 train as a nurse与be trained as a nurse的区别

He was training as a nurse.He was trained as a nurse.请问这两句的区别是什么？难道是：主动语态表示自己训练？被动语态表示被他人训练？

问题 关于 be off on one's travels 的用法

He told me that his wife had been off _______ her travels.A. on        B. at         C. in          D. for答案是 A。为什么不可以用其他三个呢？尤其是 for 为什么不行啊？老师能用语料库搜一下吗？...

文章 极易出错的动词陷阱题

...struggle to become an artist so hard.2. Now everyone here was working hard and doing what they could _______ more money.A. make               B. to make C. making           D. made【解析】此题容易误选A。有的同学一看到空格前的情态动词 could 就断定此处...

问题 as 的用法（指代主句整句内容与部分内容）

...that?FEMALE PROFESSOR: Yes, the octopus can release a cloud of ink if it feels threatened, ah but it doesn’t hide behind it, as is generally believed.FEMALE PROFESSOR: Um the ink cloud is... it serves to distract a predator while the octopus makes its escape.请问老师，这里的as是...

问题 for sb与to sb (it looks gloomy to me)比较

—It’s a nice day, isn’t it?—Yes, but it looks gloomy to me.句子中的 to 可以换成 for 吗？

问题 Really? Can’t it wait until tomorrow ?

Really? Can’t it wait until tomorrow ? 这句话为何是can't 放在句首呢？不是应该放在it 后面么？

问题 be hard to do sth等结构中的不定式用主动式与被动式的比较

我看到了一个句子：The new relative party in our contract system took a while to be updated.我想问，可以用 to update吗？类似于下面的句子。I am hard to love.I have a lot of work to do.This is hard to believe.谢谢！

话题 It和that

话题 it的指代问题

话题 it作形式宾语