问题 Its driver had a lot of trouble trying to stop it.

问题 It was good doing sth与It was good to do sth

It was good running into you today. (背景是两个人白天相遇，之后通电话说起这事）请教这里为什么用running，而不用to run?

问题 it指什么

l usually go to school at 7:00. It is so early！这里的it指什么？

问题 it是形式主语吗

It was a bitter blow when he lost his job. 丢了工作对他来说是一个沉重的打击。请问这里的 it 是形式主语吗？但后面的 when 从句好像不是主语从句啊！这样的 it 属于什么用法？

问题 句子成分理解问题(with it being)

It is an advanced tumor that grows in the tissue layers that cover the brain.Its features are consistent with it being malignant.老师，我对这里的加粗部分理解不好，这里being malignant是动名词还是宾补，二者在理解上有区别吗？而且为什么要这么复杂的去说...

问题 关于it作形式宾语的问题

...l ________ a mistake for my mother ________  me wear these ugly braces.A. it's; to make      B. it; to make这道题出自一本初中英语练习册，答案是A，it作为宾语从句中的形式主语。但是B为什么不对呢，这时it作为feel的形式宾语，a mistake作为宾补，...

问题 find it hard to do与find it hard doing都可以吗

I find it hard ____(learn) a new language. 适当形式填空，除了可以填 to learn，也可以填 learning 吗？如果两者都可以，意思上有什么不同？盼专家老师指导。

问题 as的用法比较与分析

...als regardless.      (3)The news showed a trick of cheaters and, to my surprise,it was the same situation as I had experince during the day.这三个句子中as的后面为什么略有不同，希望老师指点，谢谢了！

问题 as引导原因状语从句疑问（it is important as it sets）

柯林斯:Enjoy the first hour of the day. This is important as it sets the mood for the rest of the day. 享受一天中的第一个小时。这很重要，因为这第一个小时决定当天其余时间的情绪。请问这里面的as，是不是用because替代更好一些？

问题 it的指代对象

...es products for 3 million subscribers. At the heart of this is a data algorithm that matches users' preferences with the attributes of the products it sources, with help from the more than 4 million reviews provided monthly by its users.it sources 做 product 的后置定语，那么 it 是指 I...

问题 it's really one of God's good ones中的ones如何理解

The stars...it's really one of God's good ones.这里 good 是不是形容词？ones 又是指什么？这句话是什么意思？

问题 I didn't see it 和 I haven't seen it

—Excuse me, look at the sigh "NO PHOTOS"!—Oh, sorry. I ________ it.答案是一般过去时，想知道为什么不填现在完成时，现在完成时不是有事件在不久前刚发生这种用法吗？

问题 it's easy to make friends you are rich是什么结构

书上看到一句话 it's easy to make friends you are rich,but a friend in need is a friend indeed.it's easy to make friends you are rich是什么结构，you are rich是定语吗？定语不是只能修饰名词么，看它在这句话里不像是修饰friends的，但是定语可以...

问题 这个it应该是指Pollution吧

...an overpopulated, over industrialized planet. When you come to think about it, there are only four ways you can deal with rubbish: dump it, burn it, turn it into something you can use again, attempt to produce less of it. We keep trying all four methods, but the sheer volume of rubbish we produce wo...

问题 which, it 的指代问题

I want you, my boy, to do your duty in station, whatever it may be, to which it will please God to call you.我的理解：it 代指前面的 to do your duty in station，which 指代什么不是很懂。只知道作为宾语。to能否后移？如说成which it will please God to call you to？