问题 It is said that…后的从句可以用过去时态吗

It is said that…中的that从句如果用一般现在时是很正常的。如：It is said that he’s got married. 听说他结婚了。It is said that honesty is the best policy. 常言说诚实是上策。It is said that thirteen is an unlucky number. 据说13是一个不吉利的数字。It is...

话题 It wasn't long until...还是It wasn't long before...

问题 it的用法

I would appreciate it if you paid in cash.it这里指代的是if you paid in cash吗？如果是指代，是否可以用形式主语的句型？即：It would be appreciated if you paid in cash.

问题 这个句子是形式主语it吗

  It's time for sb to do sth句子结构，it是形式主语吗

问题 虚拟语气(It's strange you should do/should have done)

It is strange that you ______ (say) such a thing.答案是 should have said。名词性从句不是应该用should do 吗？答案为什么不是 (should) say?

问题 it的指代问题

It will be helpful if you can take an active part in your class.请教老师这里的it 是形式主语，if 从句是真正的主语？还是说it 是个虚指？(求曹老师答）

问题 the cost to your health还是the cost on your health

...自主命题高考卷语篇型填空题里的一句话(There could be an even higher cost on your health.)使用的却是...cost on your health的介词搭配结构。请问老师：介词on和to在上述语境里可以互换吗？

问题 分析：It's just as easy to put away for whatever comes next.

上面图片里这句话:It's just as easy to put away for whatever comes next.我看不懂这句话，这句话里是不是有特殊的句式和短语？请帮助详细讲讲。

问题 it作为宾语归属哪个动词的疑惑？

I'd like to have it to refer to occasionally.我想偶尔参考一下。请教老师：refer to的宾语应该是it，但是have的宾语也是it, 这么说，it怎么会既是have的宾语，又是refer to的宾语呢？

问题 这一段的三个it分别指什么

I love ping-pong, but I cannot play it well. It is difficult for me. I only watch it on TV.这一段中的三个it分别指什么呢？

文章 Legend has it that a monster lives in the mountains. 这是一种什么结构？

Legend has it that a monster lives in the mountains.这是一种什么结构？刘永科 Legend has it that... 这种结构，说它是一种“固定习语”当然没有问题。不过，从语言研究的角度考虑，这多少有点“搪塞”之意。我试着从语言结构和语用方面...

问题 连接性副词与连词的区别

...了么？第二句可以把两个逗号去掉么？或者应该加一个 and 之类连词？

问题 inscription与script的区别

... with oracle bone inscriptions, the most advanced script in ancient China, and they are regarded as the embryonic form of Chinese characters. Afterwards, Chinese characters went through numerous calligraphic styles such as Bronze Inscriptions, Seal Script, Regular Script, Cursive script, Running Scr...

问题 alive可以用于名词前作定语吗

不是说 alive 不能用于名词前作定语的吗？但下面这句呢？为什么可以？The similarities between Mars and Earth were enough to keep alive hopes of some form of Martian life. 火星和地球之间的诸多相似处足以让人们对火星上存在某种生物抱以希望。

问题 by size与in size的比较与区别

These boxes should be examine carefully and graded _____ size.请问应填介词 in 还是 by？by size与in size的用法有何区别？谢谢！