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问题 句子成分分析

...e drugs是地点状语或对象状语，这样理解可对？It was burned to crisp.这句话如果理解为被动语态，to crisp是要理解为程度状语还是主补？

问题 关于一个否定句的疑问

not to be couvetousis money in your purse请问这个句子是啥结构?not to be 能不能换成don't be？为什么不能用don't be

问题 有关it的用法问题

In a video posted to Facebook featuring,the bear it appear to be in relatively good health and was moving quickly. 请问bear后面为什么还要加it？这样主语不就重复了吗？

问题 标题省略be

Quick to claim credit, the prime minister is nowhere to seen when things go wrong这是《经济学人》的一篇文章副标题。主标题是：As a second wave devastates India, Narendra Modi vanishes标题里的be可以省略，但这里省略be有点怪异。老师们怎么看？感谢！

问题 动词不定式和动名词区别

眼见为实：1）To see is to believe.2) Seeing is believing.这两种表达都可以吗？区别在哪里？

问题 remember 动词用法

(1) I don't remember being paid.(2) I don't remember having been paid.(3) I don't remember to be paid.(3) I don't remember to have been paid.书上说上面4句意思相同，我很困惑。麻烦老师逐一讲解一下各句含义，非常感谢！

问题 如何理解这里的how? 这里的how语法上如何分析？

... known you very long," I answered. "I don't see how anyone can be expected to tackle a case like this unless he knows all the details. I don't want to pry into what doesn't concern me. Why don't you go and see him yourself?"老师，这里的I don't see how anyone can be expected to tackle a case li...

问题 standard 后接介词的问题

standard 后有时接介词 of，有时接介词 for，请问它们的区别是什么？

问题 如何理解 Not 开头的句子

Not a single case of T.B. was found in the x-rays studied.请教老师，not开头的句子的含义？谢谢老师。

问题 英语句子可以没有主语吗

Finally, have confidence in our values of freedom and democracy. 明显没有主语嘛。英文里面为什么可以有这种情况出现？(出自金融时报网站，这里不能发链接也不能发图）

问题 up from 是什么意思

By 2050，25 percent of Americans will be older than 65，up from 14 percent in 1995.这里的up from作何解释呢？

问题 emigrant和migrant

请问各位老师，migrant和emigrant都可以表示从一个地方迁入另一个地方，那二者可以等价替换吗？ 如下面这个句子: A new stream of migrants is leaving the continent.(the EU) 这里的migrants可以换成emigrants吗？

问题 怎么理解if detect

But if detected he would be dead shortly afterward, death being the just and legal penalty of his crime.句子是虚拟语气吗？怎么理解if detect?

问题 副词用逗号隔开

1.The house-price boom is not just a result of policy, however.2. Structural forces are at work, too.老师，请问为什么这两个句子后的副词，however和too都要与句子用逗号隔开呢。有什么意义呢？

问题 时态的一致性问题

I said it was a secret but she’s told dozens of people.请问这个句子对吗？并列句前面是一般过去时，后面却用的是现在完成时？