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文章 《剑桥英语语法》学研分享：upward percolation的理解与主要应用场景

...能是包括关系词在内的一个词组或短语（如 in which, some of which, in which case, whose house 等），这种关系词由一个单词变成一个词组或短语的过程其实就是由关系词向整个关系词词组或短语渗透（向上渗透）。根据《剑桥英语语法...

问题 on one's income是什么意思(为什么用介词on)

Critics point out that the prince, on his income, should be paying tax.老师：早上好！on his income，这个短语在这里怎么理解？尤其是为何这里要用介词 on 呢？谢谢。

问题 such as to do sth可以用作哪些成分

The pain in her foot wasn’t such as to stop her walking.她脚疼，但还不至于不能行走。这个句子中的 such as to do sth 是用作表语吧？请问除此之外，such as to do sth还可以用作哪些成分？另外，请专家老师具体介绍一下such as to do sth的用法，谢...

问题 关于would的一个用法问题

...子：If you have been introduced earlier to someone, do not assume that the person would remember you and be prepared to reintroduce yourself should it be necessary. 从“have been introduced”和“do not assume”和“be prepared”来看，这句话讲的是现在的情况，因此用了现...

问题 she would have been unable to...此处时态如何理解

The woman’s condition is such that she would have been unable to communicate to staff that she was pregnant or that she had been assaulted.问题：she would have been unable to xxx  此处时态如何理解？

问题 句子中out去掉，句子意思会改变吗

In the past year, however, software companies have developed tools that allow companies to "push" information directly out to consumers, transmitting  marketing messages directly to targeted customers.然而，去年软件公司开发出新的技术，使得公司可以将信息直接...

问题 how的用法问题

...live his own life. 这两个how都是融合型关系副词，相当于the way that吗？判断的标准是不是“看表疑问与否”？how如果与形容词或副词连用，组成how many/much/long/often/soon等构成短语，如下句：Role Models can also influence how much confidence y...

问题 find anything to write me a ticket for 怎么理解

He was so angry when he couldn't find anything to write me a ticket for that he gave me the finger as he drove away.

问题 强调句与定语从句的区分

_____her mother started to go to the cooking class.A. It was at about this time thatB. That was about this timeC. It was at about this time whenD. It was about this time that这个题是选A 还是C呢，A 是强调句，应该是没什么问题；但是C选项就是成了一个定语从句。给的...

问题 choice指人时后面的关系代词用who还是which

—Our teacher wants to find a student to set up a good example for us.—I think Jane may be a good choice ______ can meet the teacher's need.A. which   B. who   C. whom  D. what请问这里的关系代词选which还是who合适？为何？

问题 计算天数的问题

...好，向大家请教一个计算天数的问题：A new restaurant opened the day before yesterday.= A new restaurant has been open for______ days.请问横线处的答案是three还是two？我以前了解到一个说法“计算天数用大日期-小日期+1”，即：如果一件事开始于3...

问题 could 和 was able to 的区别

...?He didn’t agree with me at first, but I ________ persuade him to sign the agreement later. A. could        B. might         C. should       D. was able to

问题 先行词为集合名词（如family）时定语从句用什么来引导

当先行词为 family 时，后面用什么引导定语从句？Do you know the family _____ lives next door?A. who    B. whom   C. that   D. which推广一下：当集合名词用作先行词时，定语从句用什么来引导？谢谢！

问题 关于It was +时间名词+before从句的理解和翻译的讨论

It was Sunday before he saw Mouse again. He was painting the garden shed for his dad when Mouse came racing along on his bike.根据以上句子提供的语境，请翻译黑体部分，并解释before的词义和用法。

问题 As a child和主句主语协调一致吗

...hild，few people guessed that he was going to be a famous scientist whose theories would change the world． 我的疑问是：根据语境（As）a child指的是后面的he,可主句的主语是few people。这样的用法是否可以？接受度如何？如果可以，请老师们给一些...