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问题 两个时态问题

1.Our new English teacher, who is said to have moved back to China, ___A___ in America for almost ten years.A．livedB．has livedC．was livingD．had lived请问这题为什么不选D呢，老师已经回来了，说明待在美国是发生在过去的过去，而且for+一段时间，为什么不...

问题 在条件或时间状语从句中,怎么理解这个句子中的句子的时态？

...p;    Please lend me that book if you have finished reading it.  怎么理解呢？可不可以把后面的完成时的从句理解成将来完成时呢？那样的话就是从现在看将来某个时间这个动作已经完成呢？在以上2个例子中，每个句子中的两...

问题 not doing do so与not doing so用法辨异

They should be kept in sight by their operators at all times; not doing do so is a criminal offence.请问：句中的 not doing do so 是否应该改为 not doing so？

问题 feel so crushing a loss是什么结构用法

...ng a loss.我的理解这里是个宾语从句的变形，felt that a loss is so crushing. 但是又不是很确定，所以请教一下这个表达的语法现象是什么？？

问题 stop being和began being为什么要加being

But what’s really wonderful is that, sometime between that important day in 1988 and today, my self-image stopped being about how I look and began being about how I feel.stop being和began being疑问。为什么要加being？

问题 too much,very much,so much,as much比较

I should say he is not______a teacher as a scholar.A.too much     B.very much     C.so much       D. as much

问题 为什么说成be sworn in as 被动语态结构呢？

VOA:A less sweeping immigration ban was later upheld but is likely to be reversed by Joe Biden who will be sworn in as President Jan 20th.为什么说成be sworn in as 被动语态结构呢？

问题 现在完成时中短暂性动词与一段时间连用的含义

...ame here two days ago.. 正：He has been here for two days. 正：It's two days since he came here. 说明：come是终止性动词，不能和表示持续一段时间的状语for two days连用。但He has come here for two days.是成立的，不过意思变为：“他已经...

问题 单数beauty,brain与复数beauties,brains的区别

Mr Smith's daughter is endowed with both _______.A. beauty and  brain        B. beauties and brains C. beauty and brains       D. beauties and brain答案是 C。请问：为什么这里的 beauty 和 brain 一个要用单数...

问题 while shifting where water will be and when结构分析

Climate change is expected to intensify droughts and floods while shifting where water will be and when. 请问老师while shifting where water will be and when. 是现在分词短语吗？请老师分析一下结构，谢谢。

问题 主语从句后的表语是复数时谓语动词用什么

...是2011年的北京卷高考题： What Barbara Jones offers to her fans is honesty and happiness. 芭芭拉•琼斯带给其仰慕者的是诚实和幸福。(2011北京卷) 这个句子中的 What Barbara Jones offers to her fans 是主语从句，后面的 honesty and happiness 是表语...

问题 more mad中的more是副词还是比较级构成的一部分

He is no more mad than you are.怎样分辨 more mad 中的 more 是副词，还是构成比较级的一部分？即 more mad 是一个 mad 的分析形式比较级，还是 more 是副词修饰 mad? 感谢老师的精彩解答。 

问题 can't be too..., can't...enough 等的理解难点

刘老师，我感觉以下句型很难理解：1. can't 和 too 或 enough 做什么都不够2. more than+subject+can+predicate. 非···所能（不能）e.g. That is more than I can tell you.  无法理解 ‘它比我能告诉你多’ 。

问题 问大神们，an hour drive back down to Forks的drive是动词往回开还

It's a four-hour flight form phoenix to seattle, another hour in a small plane up to Port Angeles,and then an hour drive back down to Forks.感觉上a four-hour flight、another hour、an hour drive是三个并列的表语，有迷惑性的是an hour drive back down to Forks的drive是动词往...

问题 not/no later than为什么词典说是同样的意思呢？

...同样的意思：not/no later than...by a particular time and not after it 不晚于…；不迟于…Please arrive no/not later than 8 o'clock. 请8点之前到达。可是语法书却上说，not+比较级+than 和 no+比较级+than 是不同的。not+比较级+than：就是不如...而no+比较...