话题 it may be that

话题 Who was it that…

话题 Who was it who…

话题 It was后面接复数名词

话题 It doesn’t matter.

话题 it is known that...

话题 it feels as if

问题 介词的选用和前面的名词有关系吗

a result which greatly eased pressure on manager Gus Poyet.上句中介词on的选用是因为和pressure有固定搭配吗？那么，介词的选用是要看介词前的词和后的词都要看吗，还是有什么固定搭配之类的？谢谢老师。

问题 have it to fix是否正确

题干：My computer has gone wrong. I'll have it ____ tomorrow.  A. fixed  B. to fix问题如下：题目给出的答案是A，解析里说是因为 it 和 fix 是被动关系所以选用have sth. done。我觉得这种解释没有问题，但我认为 to fix 也是可以的啊，have sth. to do...

问题 that可以代替it作形式主语吗

That isn’t anything for us to be ashamed of.这里的句子为什么用 that 作主语，而不用 it 呢？难道 that 也可以作形式主语吗？

问题 he explained how it was 句子对错

请问老师he explained how it was 对吗？was 后面是不是少成分？如果不对如何改？

问题 主谓一致(It is you who...)

It is you who ____ wrong? You _____ a useful word. A.are;are B.are;is

问题 be it time, energy or help怎么理解

Be sensitive to how much your friend can and can't offer you--be it time, energy, or help -- and don't step over the line.请问这个句子里的be it time, energy or help怎么理解？这是一个什么语法点？感谢解答！

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 than necessary or possible是否=than it is necessary

曹老师提到（http://ask.yygrammar.com/q-26040.html），Use too many with countables to talk about more things than necessary or possible.中的than从句=than are necessary or possible（than为主语，对应但不等同于主句的things)He never says more than is necessary.无省略，than...