问题 为什么不用have gone

If you careful enough, you will find there are more than 70000 individuals who go missing. Go +adj 不是约等于 become+adj 么？ 这里为什么会用 go而不用have gone ? Go missing这个事件应该是发生于谓语时前的吧？

问题 be sorry to do与be sorry to have done的区别

翻译：对不起，让您久等了。I’m sorry to keep you waiting. I’m sorry to have kept you waiting. 上面翻译哪句对？

问题 非谓语动词的用法以及状语从句的省略问题

... English course organizing in your school.我的改法: 去掉 offering.2. This will gives me more time to see your beautiful country while learned language. 我的改法: learned 改成 learning，如果这道题是这样的话，请问这里状语从句和主句主语不一致，为什么还...

问题 先行词做状语时从句为什么不放介词

I’ll never forget the day which I joined the army in. 如果不用when,应该留个介词的吧？ This is the first time you visit China. 但为什么这个句子，它不需要放个介词for呢？缺了介词，the first time 没办法代入从句啊？

问题 not only...but also（涉及词序问题）

not only…but also是助动词和be动词要放在not only的前面而行为动词放在not only的后面吗？but also 如果没被主语分开，not only即使放在句首也不用倒装？如果but also被主语分开，not only没在句首也倒装？but also什么时...

问题 副词also和always是具体哪类副词

请问曹老师：He is also a scientist.she is always friendly.（1）其中的also和always分别作的是具体哪类副词？（2）这种位置下的副词also和always，它们所作用的对象到底是谁？是系词be，还是作表语的名词a scientist和形容词friendly，还是（系+...

话题 This is my first time to do

话题 We have all been through this before.

问题 be married用一般过去时与现在完成时的区别

How long have you been married?How long were you married?上面两句中的be married分别用了一般过去时与现在完成时，它们的区别是什么？

问题 in this day and age为什么为介词in呢

Why dress so formally in this day and age? 名词 day 前面为什么用介词 in 而不是 on 呢?

问题 it must invest在这里是定语从句，但是it指代什么呢？

...g fortunes, still does not earn enough to cover the cost of the capital it must invest to keep up with its surging traffic. 请教：it must invest 怎么解析？应该是省略了 that 的定语从句，修饰前面 capital，但是其中的 it 指代前面什么呢？the cost of the cap...

文章 高中英语新课标词汇-教学参考资料-make an impression

...a good impression. 我想要留下一个好印象。更多例句如：When you go for a job interview, you have just a few minutes to make an impression. 参加求职面试时，你只有短短几分钟给人留下好印象。It was their first meeting and Richard was determined to make an impressio...

问题 any way rather than this 在句子中如何理解

We would have taken any way rather than this,but it was late and growing dark,and the railroad bridge was a short way to get home.老师，than引导比较状语从句，但rather又如何理解？

问题 this 和 that 作代指的区别

....如果我理解正确的话，那么为什么后面用that代指而不用 this 呢？ 

问题 成分分析与后置定语转换

...slation [to classify a particular resource as a legal personhood.] What is this resource? Provide arguments why is this important for communities [relying on this resource.]请问在这一段表述中，第一个括号内 to classify a particular resource as a legal personhood 是状语还是定语...