问题 it is possibly the oldest 中的为什么用副词形式

Anything is possible中的possible是形容词性。It is possibly the oldest 中的为什么用副词形式？

问题 is used与 is to be used 区别

在表达"仅在紧急情况下使用",是用 It is used 还是 It is to be used? 它们的区别是什么呢?It is only used in emergencies.It is only to be used in emergencies.

问题 It is strage that he should have done...中should的用法

It is strage that he should have come back so early.It is strage that he should have done...中的should是什么用法？

问题 It is what is not there which will raise some eyeb

这个成分怎么分析，觉得好绕口啊谢谢。

问题 It is strange that…中的主语从句必须要用虚拟语气吗

It is strange that the boy should have said that to his mother. 真奇怪，这男孩竟会对他母亲说出这样的话来。这里的 It is strange that…中的主语从句用的虚拟语气，这是必须的吗？可以不用虚拟语气吗？或者说：不用虚拟语气算错吗？

问题 介词+which从句的用法

There are a great many careers in which the increasing emphasis is on specialization.这句话中的in which应怎么理解，从句是在哪里结束的？specialization搭配的是on还是in？这种介词+which的组合的语法结构是怎么样的.

问题 taking place 句子中的成份

The meeting taking place at this moment is sure to be a great success.请问老师这里的taking place是什么成份？

问题 It is responsible of / for sb to do sth的用法疑问

有咱们答疑网上看到一个问题是关于irresponsible 的用法：It is irresponsible of sb to do sthIt is irresponsible for sb to do sth参见：http://ask.yygrammar.com/q-26640.html我想请问一下，如果是 responsible 呢？怎么用？It is responsible of sb to do sthIt is responsib...

问题 分析：He is clever enough to do it well.

请分析：He is clever enough to do it well.句中的不定式 to do it well 是什么成分？肯定是状语吧？是什么状语？在什么书上有分析吗？

问题 关于it is adj. for sb. to sth. 句型的疑问

能否说Under too much pressure,it is universal for our students to pay less attention to health?因为主语是it 而under too much pressure修饰的是students而非主语it 所以我在想这个句子到底对不对这个句子是我自己想的在阅读里看到过一个类似的句子：For th...

话题 it is +形容词+that虚拟语气

问题 It is necessary for sb to do sth的改写

It’s necessary for us to stay at home. =For us to stay at home is necessary. = To stay at home is necessary for us. =It’s necessary that we (should) stay at home.我的改写都正确吗？

问题 It's ... that...强调句

...e invested after the decision is made is taken into account.可否写成，It's only the time invested after the decision is made that is taken into account.这句还不是很明显，如果中间强调的部分自带的定语从句最后是个名词结尾，那么会不会和这个句型的that...

问题 分析：It is nessary for us to learn from each other.

It is nessary for us to learn from each other.句子成分的分析，为什么书上说红色部分是句子的主语，那么句子的谓语是哪个，It is necessary 是什么成分？

问题 So it is with him与so does he的区别

I caught the first bus. I am not late for work. So it is with him.so it is with him 从字面完全不能理解这个句子的意思,字典给的意思和so does he差不多...那它们有区别吗?