问题 to的成分

Efforts should be made 1 to curb trade protectionism and increase the technical and financial assistance  2  to the agricultural sector of the LDCs  so as 3 to raise the global agricultural productivity and increase food security.应减少贸易保护，加强对最不发达国家农业技术...

问题 to do还是to doing

It shows that there may be an inherited element to writing good fiction1.不定式里为什么是 writing 而不是write? 2.这块里面是 sthing 还是 doing

问题 explain to sb sth / explain sth to sb的疑惑

explain to sb sth / explain sth to sb为什么一个带 to 一个不带，难道一个及物一个不及物么应该都一样才对吧？

问题 owe it to sb to do sth的句子成分

I owe it to you to do the work.请问句子中的 to you 是什么成分？是状语还是宾补？如果是状语，它是什么状语？

问题 come to know 与 get to know

How did you come to know her？How did you get to know her？这里面有什么区别，感谢各位老师的解答，有例句就更好了!

问题 I want you to know how lucky I feel to have you怎么理解这里的to

问题 have gone to和have been to的区别

求详细解释关于have been to和have gone to的区别? 为什么前者表示回来了? 后者表示去了没回来？

问题 现在进行时与现在完成时的区别一例

I ______ on a sofa because my parents have come for the  weekend.A. had slept         B. was sleepingC. have slept       D. am sleeping正确答案是 D，为什么呢？我选的 C。求老师分析一下！

问题 如何理解这个谓语结构(will have been being worked)

老师说，By the end of next month, the project will have been being worked for 3 years.是将来完成进行时的被动语态。谓语 will have been being worked 太复杂了，不是很懂。一定要死记硬背吗？

问题 请教indeed的用法(还有两个that是引导词吗)

And so it was indeed: she was now only ten inches high, and her face brightened up at the thought that she was now the right size for going through the little door into that lovely garden.indeed在句中的用法，不能作表语吧？

问题 some和current的词性以及from…的成分分析

Abe also said the government would raise the number of child welfare workers by some 1,000 for the next fiscal year starting in April from the current 3,200. some是副词修饰1000？current是形容词修饰3200？from the current 3200这里是状语修饰some 1000吗？

问题 as many as的分析和per hour

His tiny arms and legs would stiffen for a few seconds as many as 30 times per hour.这里的as many as怎么理解？many是指代的a few seconds吗，as 30 times per hour is？per hour是30 times的后置定语吗？请老师分析一下结构

问题 exaggeration是不可数的吗？ understatement是可数的吗？

Search for exaggeration and understatements.寻求夸大其词和轻描淡写。 请问上述句子是不是表明exaggeration是不可数名词，而understatement是可数名词？那么为什么在下面这个句子里exaggeration可以加上定冠词an： Isn't that a bit of an exa...

问题 随着中国加入…行列（为什么要用一般现在时）

As China ____________(join) the ranks of middle-income countries, the demand for health services has increased accordingly.此处答案为joins，说是客观事实，我不是很理解，“加入”这个动作不是发生在过去吗，为什么不能用joined？

问题 have to be pp与be to be pp的区别

The problem is still to be studied in depth.The problem has still to be studied in depth. 上面两句哪句对？都对吗？若是这样，那have to be pp与be to be pp的区别是什么？