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问题 关于“名词性短语”的疑惑

老师您好：_______ all that has been said, the tourists have been picking leaves.答案是用介词 Despite（prep）尽管。在答案解析中说道，all that has been said 是名词性短语，因此前用介词构成介宾结构。我的疑惑是 all that has been said 是一个定语从句...

问题 if this be so是什么用法

Are you planning to sell the house, and if this be so, how much do you want? 请问这里的 if this be so是什么用法？

问题 关于句中逗号的使用问题

老师好!At that moment, a large black car with four officers inside it, stopped at the camp gates.本句中，with four officers inside it介词短语做a large black car的后置定语，为什么谓语动词stopped前还加一个逗号来分开？期待老师解惑，谢谢！

问题 what's more remarkable用法分析

What is even more remarkable, he manages to inspire confidence in the most suspicious people.例句中的划线部分是一个名词性从句吗？名词性从句好像用在了状语的位置上，请老师帮忙分析一下，谢谢。

问题 这个that it is是定语从句吗

They have done what they can to mak this programme the success that it is. 请问这个句子是什么意思？句中的 that it is 是定语从句吗？

问题 ready在句子中的词性和句法功能

He also had the house ready in case he needed to excape.老师，如何理解ready，它是形容词吗？做什么成分？in case 是相当于一个连接词吗？

问题 whereas与when同时出现的句子如何理解

Whereas a few years ago, when the kids were all out binge drinking. whereas这里是连词的话，when这里怎么理解,whereas的原句补充完整是什么呢？

问题 关于间接引语

1.The gardener said that he ___(cut) that tree down yesterday.2.What did he say that he_____(do) last weekend?第一题答案给的是had cut/cut,第二题是had down/would down不明白为什么第一题既可以用过去完成时也可以用过去时，而第二题只能用过去完成时；如果...

问题 duty if required,是否可以看作插入语

A：What does the estimate include?B：Estimates include merchandise, packaging and shipping, duty if required, any taxes and insurance.

问题 关于高中虚拟语气的一道选择题目的疑问

I ______ , but I was stopped by the heavy rain.A. mean to comeB. meant to comeC. had meant to comeD. meant coming

问题 might business travelers make倒装句

might business travelers make倒装句，这里是起强调作用吗？What common mistakes might business travelers make when it comes to conducting business across the globe?

问题 be building on success的理解

The emphasis must be on fun,encouragement,and buiding on success. 这句话中的building on success与之前的be相连吗？可是building不是名词不能和fun等并列啊？怎么理解building on?

问题 all about修饰什么作何解

philosophu is what everyone does when they are not busy dealing with their everyday business and get a chance simply to wonde wha life and the universe are all about.这里all about修饰什么作何解？

问题 are to be found 是什么用法

In the foreign Languages Bookstore are to be found books in various languages.这里面为什么要用are to be found 不可以直接用 are found 吗？

问题 非谓语动词做状语的问题

...怎么解释呢①I am very glad to see you.②He got up early to catch up the first bus.我没搞懂，求解老师，谢谢！