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问题 first-ever与first的区别

Zhang Tian is planning to organise the first-ever school concert!这是高中英语新教材北师大版必修一第17页的一个句子。这里的 first-ever 意思是“第一次的”“首次的”，但查词典，first 也可以表示“第一次的”“首次的”啊，它们有什么区...

问题 Good decision 前面为什么不用不定冠词

Hi, Sam! I've decided to join the Music Club.—Good decision!上面的对话摘自2019版人教版高中英语新教材必修一的 Unit 1（p13）。请问：Good decision 前面为什么不用不定冠词呢？decision 不是可数名词吗？

问题 drown用一般过去时与过去进行时的区别

The man drowned, but we managed to save him.书上说这里的 drowned 改为 was drowning。为什么要这样改？drown用一般过去时与过去进行时有什么区别？

问题 I want to know what happened. 句子成分分析

请详细分析主谓宾

问题 名词性从句问题（All sb do is do sth是否省略to）

All it can do is run away（它能做的只有跑），在词典上查 what sb / sth do is do，后面全部都是跟动词原形，这里是不是省略掉了一个 to 呢？

问题 Whether she were right or wrong,what is it to me?

Whether she were right or wrong, what is it to me? (Kingsley)她对还是错，对我有什么关系呢？以上是英文原句，使用了were型虚拟语气。请教老师：这里使用了were型虚拟语气，如何理解全句的意思？如果改成be，则句意又发生了什么变化？如...

问题 现在完成时态在表示‘从过去一直持续到现在的动作’时的疑问

（高三）一You look tired. What's the matter?一I _____ on a sofa because my grandparents have been here to spend the weekend. I can't have a good sleep.A. slept    B. am sleeping    C. was sleeping    D. have slept ...

问题 know sb do/to do/doing的用法

I’ve known him ____ (eat) a pound of snails.请问如何填？谢谢！

问题 For there to be life there must be air...是什么结构

在iCIBA上看到这样一句：For there to be life there must be air and water.一定要有空气和水才有生命。（来自辞典例句）请问，这是什么结构？

问题 it is said that...与there is said to be的区别

It is said that there will be an election this week.There is said to be an election this week.这2个句子有何区别？

问题 neen't worry 与 didn't need to worry 的区别

You _______ about situation like this if you have good social skills.A. neen't worry  B.didn't need to worry答案为 A。为什么 B 不可以。理由是什么？谢谢!

问题 关于“​In a testament to his standing”

www.biography.com网站中列宁传中一句话In a testament to his standing in Russian society, his corpse was embalmed and placed in a mausoleum on Moscow’s Red Square.testament词典中有证据和颂词的意思，前面那句话应该是“为了证明或致敬他在俄罗斯社会中的地...

问题 sb be about to do sth中哪些词分别充当主、系、表还是主、谓、宾

be about to do sth每个词充当的分别是什么成分?

问题 They are not expected to contradict him.分析

are not expected 是被动语态吗， 这句话是什么意思呢?

问题 it is modest of sb to do sth的用法对吗

modest 的意思是：谦虚的，谦逊的，谦恭的。它是表示人的品质的吧！按理说应该可以用于 it is modest of sb to do sth 啊！怎么在词典上没有查到这样的用法呢？求教专家指点！