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问题 目的状语从句虚拟式和非虚拟式的用法区别

带上你的伞以防下雨。Take your unbrella with you, lest it should rain. （虚拟式）Take your unmbrella in case it rains.（非虚拟式，即陈述语气）

问题 when引导从句表示“既然”和表示“如果”的区分

How can you expect to learn anything ____ you never listen?   A. in case  B. even if    C. unless   D. when答案为 when。到底是“既然”的意思还是“如果”的意思。我认为在这都说得通，结构也没问题，请讲解一下。

问题 regret doing 和 regret having done 是否都正确

I regret_____you that we lost in that football match.A.telling        B. having told习题给的正确答案是B, 请问老师A是否也正确？

问题 动名词的主动式与被动式的用法区别

He likes being shut up in his bedroom on Sundays.这里面的being shut up 没有看懂，动名词的一般被动形式吗？ 应该是自己关自己，为什么会有一个被动的形式在里面呢？求教老师。

问题 关于help do与help to do的用法

“这种独特的基因，可以帮助海水稻在盐碱环境中茁壮成长。”将该句子翻译成“This unique gene helps sea rice to thrive in a saline environment.”想请问一下这里的帮助用help ...to do是否合适？

问题 为什么those后直接跟动词surveyed

A web-based survey suggested that over 70% of those surveyed were interested in travelling to space,88% wanted to spacewalk.1. 为什么those 后直接跟了surveyed 这个动词？是省略掉了people之类的名词吗？2.88% 直接跟了want 中间省略了一部分名词对吗？是 those surve...

问题 句式分析

...ht to seed cloud formation scatter incoming radiation and promote cooling, but this effect, which would counteract warming, is also only superficially understood. 无法明白are thought to seed cloud formation scatter incoming radiation and promote cooling这句的结构.

问题 英语句子理解（涉及a fact of以及implicit)

Death should be accepted as a fact of life.There is no career counseling implicit in all of this.这两句话如何理解？第一个句子中a fact of 是什么意思？第2个句子，implicit在这里做什么成分，如何理解?

问题 宾补形容词可以带非限定动词吗

This pop band is just today's version ... so people in China will not find it strange and find it easy to accept.不定式to accept是什么句子成分？是find的实际宾语还是easy接的非限定动词，或者是状语？谢谢老师的解答。

问题 否定疑问句算是否定句吗

...：Can't you wait for us?Didn't I tell you that?Won't you come in?Aren't you sure about it?Can’t he have one too? 这些句子有否定意味吗？

问题 than比较分句成分分析的困惑？

...rom me was more to them than a whole deckle-edged library from East Aurora in sectional bookcases was from anybody else没看懂than后面的比较分句的成分，than比较分句后出现了...was from anybody else, 请教老师：主句和分句比较的是more程度吗？than后不缺主谓宾...

问题 ship做不及物动词的理解

...有些逻辑不通。Until now, many sellers that have a physical presence in only a single state or a few states have been able to avoid charging sales taxes when they ship to addresses outside those states. 

问题 这个句子中propel前面为何加to

Oil rose higher than $120 a barrel on Monday as increasing prices for fuels, such as petrol and diesel, combined with lingering concerns over supplies from Russia to propel crude to its highest level in two months.as引导的原因状语从句中increasing prices 是主语，谓语不应该是propel...

问题 被动语态中反身代词的使用

...好，请教一个中学的题目。East Buy claimed what Dong Yuhui said in his livestreams was not written by (  ).A. him      B. himself答案是B. himself.但我觉得这个句子主语是董宇辉说的话，而by在这里表示被动，介词by的宾语是董宇辉这个人，主语和...

问题 multi-word verb 困惑

...也有一些不是习语(idiom)的词也给标注了斜体，比如 come in，send  away等（我用红线标注了）。我觉得这些不应该用斜体，是因为排版错误吗？还是说这些虽不是习语（idiom），但是属于lexical unit 。可以稍微说一下lexical unit 是啥吗...