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问题 对to be 不理解

you have to be sure主 谓 宾(非谓语 表) It is just not safe for me to be here形主 系 表 方式状语 主(非谓语 表) 老师，我能理解非谓语在句子中做什么成分，但是什么时候用to be我好困惑

问题 强调句的语序疑惑？

I forget who it was that recommended men for their soul's good to do each day two things they disliked.who it was that recommended men...这是强调句吗？ 如果是，为什么不是陈述语序it was who that recommended men... ？

问题 as引起的倒装

as引导的倒装不是应该这样的吗：Tired as he may be, he still works hard.所以, as unpleasant as feelings of failure may be 是倒装吗？However, as unpleasant as feelings of failure may be, they're actually good for you.这句是倒装吗？为什么倒装?

问题 have to have的用法问题

British dog-owners have to have passports for their dogs when they travel abroad. 这个句子两个have我觉得不太妥当吧，能不能换一下其中一个have?

问题 一道时态选择题

一道时态选择题—— you  play badminton very well！——many thanks! when in university, i ______ it for four years.A. learned B. have learned C. had learned D. would learned答案为A，C为什么不行，再过去一段时间应该对现在造成影响啊？谢谢

问题 名词单复数问题(hardback/hardbacks)

Hardback and trade paperbacks for serious nonfiction and fiction will surely last longer.这是四级卷子里的一段话，问什么hardback不用加s。希望能有个合理的答案!

问题 what 做从句主语可以吗？

一直看得最多的都是作宾语，例如 it is what it is ,it is what he wanted.却没怎么看见过what在从句中做主语，请问老师，可以吗？例如这种water is what is necessary for life(自己造的句子)

问题 如何理解翻译这里的 only possible if

For Wang, increasing literacy was only possible if one simultaneously created linguistic unity.顺便分析下语法。

问题 句中的 what 指代什么

Remember when I showed you that financial planners who charged you 1% of your assets under management were slowly, surreptitiously siphoning away your money and charging you for (what) was almost assuredly underperformance in your investments. 请问括号里的（what）指代的是？

问题 关于介词in below about

1. Please don't write below this line.为什么这里不能填in？at或for可以吗？2. We lived in a hotel with 25 floors.这里with为什么不可以用about？大约25层？

问题 分词短语作状语修饰的是谓语动词还是修饰整个主句

...的问题。1 Upon entry, China has agreed to open its Internet market to foreign participation, making possible previously unthinkable arrangements like the AOL-Legend link.2 They have invested huge amounts of money to improve intimal security, making it almost impossible for the Scots to stage any...

问题 be OK by sb的用法

Either this one or that one is OK by me. 这个或那个我都行。这里为什么用 by 而不是 for, to, with 呢？

问题 to being divorced的分析

There is no longer any stigma to being divorced.这里的to是介词＋doing做stigma的后置定语吗？可是感觉这里divorce和stigma并不是动词和其承受者这里是不是相当省略了for people?

问题 whatever可以用what替换吗

Whatever you were looking for doesn't currently exist at this address. 这个例句的whatever可以用what代替吗？仅仅是“无论什么”和“什么”的区别吗 ？另外有个疑惑，currently这个副词能不能放在动词exist后面？

问题 at least副词词语的理解

请老师看例句 I will stay here for at least 5 days At least为副词短语修饰5完全可以说的通 但是他其实是一个介词短语，介词短语怎么可以做前置修饰语呢好像又说不通……请老师解答一下!