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问题 请教老师：一般过去时和现在完成的本质区别。

完成时表示：' 到目前为止不确定事件发生过的事件' 的这一用法（单一/重复事件），在美式英语里也常常用一般过去时代替这种用法的现在完成时，所以为什么要表达这种意义，到底为什么还需要完成时，直接全部一律用一般...

问题 b y有类似于of短语当后置定语的用法吗？

One reason why it is hard to design and teach such courses is that they can cut across the insistence by top American universities that liberal-arts educations and professional education should be kept separate, taught in different schools. 这里为什用by短语作后置定语，我感觉应该...

问题 All sb want is to do..没有连接词怎么连接两个谓语

原句是All he wanted was to open a restaurant. 所以延伸到这两种句式All sb want(s) to do is..和All sb want(s) is to do...都没有连接词或者that这种引导词，是怎么同时存在want和is两个谓语的呢？

问题 going a day的用法

看一篇讲解缓解便秘文章中一句话，going a day without a bowel movement isn't necessarily cause for alarm。字幕意思是一天没有排便也不必惊慌。有几个问题请教：1.going a day表达“一整天”是一个固定搭配表达，还是单词go在这里归属于字典...

问题 关于是否为状语前置的问题

Against staying longer, however, Elizabeth was positively resolved——nor did she much expect it would be asked; and fearful, on the contrary, as being considered as intruding themselves needlessly long.然而Elizabeth下定决心反对再继续待下去——她也不期望他们再邀请她们...

问题 sth is important for sb to do sth 对吗

老师好！请老师帮我看个句子。Keeping a positive attitude will be important for everyone to get through this difficult period. 后面不定式的复合结构的句子成分是什么？我觉得原句不对，应改为：Keeping a positive attitude will be important in everyone getting th...

问题 struggle to do是“努力”还是“难以”

I was not the best student when it came to writing tests. I had to work extra hard to get good marks, although I enjoyed learning. Anyway, this class that I truly enjoyed still had me struggling to do well on my tests. My teacher willingly helped me and was always willing to answer my questions, and...

问题 一般现在时在新闻中的使用

A spillage from an armoured van sparked a mad scramble - and police arrests - on a US motorway on Friday morning.Videos on social media show money raining down as people scramble to pick up dollars strewn across the road.It happened on the Interstate 5 in California's San Diego county.上面这段...

问题 the first time 引导从句分析

Scientists say this is the first time it has been done by the robot.请教老师们：1）上句the first time作表语，后面是省略了关系副词when或关系副词that的 it has been done by the robot.定语从句吗？2）我看到This is my first time coming to China 这样的正确的句...

问题 He does what he can to help protect animals问题

He does what he can to help protect animals. 这句话的语法结构我明白。但是这句话可不可以这样翻译“他做他所能帮助的事情，来保护动物们”。然后写成“He does (what he can help) to protect animals.” 如果不可以，请帮忙讲解一下为什么不行...

问题 people's lives还是peoples' lives

无意中在本站看到以下问题：https://www.cpsenglish.com/question/46002The study theorizes about the role of dreams in peoples’ lives. 这项研究从理论上说明了梦在人们一生中的作用。老师们热烈讨论了是该用 people's lives 还是 peoples' lives 的问题。虽...

问题 介词短语可以位于主系表结构系动词之后，不定式充当的表语之前么

The simplest thing is for him to resign.是我同学在学习过程中看到的一个句子。我们常见的语序是the simplest thing for him is to resign，介词短语是否可以位于主系表结构系动词之后，不定式充当的表语之前？

问题 Pumas never attack a human being expect____cornered.

Pumas never attack a human being expect ____ cornered.A.they are B.being C.that they are D.when they areexcept作为介词使用后面应该是可以跟动名词的，为什么这道题选B不对？

问题 请教尊敬的曹老师问题：转态动词的进行体到底什么时候算进行时什么时候算将来时

转态动词的进行体到底什么时候算进行时什么时候算将来时？

问题 同位语与同位语从句所解释名词的问题

1.Tony，an English teacher, is very handsome.（这里的"an English teacher"是Tony的同位语，具体说明了Tony 的身份，解释的是具体名词）2.The news that we have won the game makes me happy（这里that引导了同位语从句，说明了news的具体内容，解释的是抽象...