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问题 through 和 by 的区别

阅读题里的一句：_____ his research, Pearson(人名） is able to put dates to most of the breakthroughs that can be predicted.选through 还是 by，当表示“通过、凭借、由于（某种方式，手段）”时他们的用法区别是什么？望老师不吝赐教！谢谢！！

问题 just as 的语法分析

The English language would be just as rich in terms for different kinds of snow, presumably, if the environments in which English was habitually used made such distinction  important. 这句话中的 just as 怎么理解？

问题 现代语法的虚拟式

章振邦的新编英语语法教程在17.4were式虚拟中阐述只有were这一个词项，在17.1中有个动词过去式表推测的例句：If it snowed tomorrow, The match would have to be put off. 但是在33.3第三种类型条件句（非真实条件句）中从句却有动词过去式。

问题 关于让步状语从句的倒装的疑惑

Be she rich or poor, l will take her as my wife.请问下各位大佬，为什么是不是 was she rich or poor?从句部分陈述语句可以说 whether she is rich or poor 吗?

问题 复杂定语从句理解

This trend began during the Second World War,when several governments came to the conclusion that the specific demands that a government wants to make of its scientific establishment cannot generally be foreseen in detail可以理解成定语从句a government wants to make先行词是demands吗，...

问题 被动语态的问题

向老师请教：被动语态动作的施事者是否只能由by引出，be done后面的of、from、with能否用于被动语态中？Paper is made from rags.纸是由破布制成的。She was frightened of the police.她害怕警察。The river was sheeted with ice.河上结了一层冰。以上...

问题 stand和of介词短语

Please stand clear of the doors. This car will be departing shortly. 1)stand何时是系动词？2)本句stand是系动词还是不及物动词？3)of the doors怎么理解？它修饰的是clear还是stand？能否解释一下of的词义(这样有助于理解)?

问题 系动词become可用于祈使句吗

英语中的动词become可以用祈使句的句首吗？比如：Become what you want to be. Work hard and become a successful man.

问题 if虚拟语气

A barrel top would be ideal,I thought,if I could manage to find one.If you'd all please raise your glasses,I'd like to propose a toast to the bride and groom.第一个句子在从句中用了could，第二个句子在从句中用了would，这就违背了虚拟语气的结构，这是一种什么用...

问题 定语从句的使用

That is the term being used to describe the invisible yet toxic mixture of gases and particles clinging to smokers’ hair and clothing, not to mention cushions and a carpeting, that lingers long after second-hand smoke has cleared from a room.请问老师，这里不是引导非限制定从吗，...

问题 than从句省略主语的补写

The box is much smaller than is useful.请问这个句子如何补写？是这样吗？The box is much smaller than it is useful that it should be.但是，useful 好像不能用于这样的形式主语句型吧！

问题 非谓语used to是啥状语

The water will soon be gone, used to supply the surrounding land.专业老师，后半句中非谓语used和逻辑主语表示被动关系，不知道used to……是什么状语？请老师指教下，多谢！

文章 高中英语新教材-词汇教学参考资料-北师大版-必修1-Unit 2

...        ▲*shot▲inspiration            ▲try out for sth▲*bench                   ▲replacement▲desire                    ▲crash▲crash into             ▲gather▲gather around      ▲not…anymore▲pack                      ▲sh...

问题 名词+to do, 是把to do理解为目的状语, 还是理解为名词的后置定语

1）What is your school life like ? Please make sentences to compare your school life with Mike's.2）I often tell jokes to make them laugh.3）You must do more exercise to keep thin.4）The patients are waiting for the doctor to come.请教专家，以上4句中，都出现了名词+to do, 是把to...

问题 not since是什么意思

Well, sir, you'll be covered with cobwebs if you go into it. Why, it hasn't been opened for nearly five years, not since his lordship died.请问：not since 是什么意思？